{ "version": "2026-10-21-v1", "window": { "start": "2026-09-21", "end": "2026-10-21", "days": 31, "label": "One full month of prices \u00b7 September 21\u2013October 21, 2026", "dates": [ "2026-09-21", "2026-09-22", "2026-09-23", "2026-09-24", "2026-09-25", "2026-09-26", "2026-09-27", "2026-09-28", "2026-09-29", "2026-09-30", "2026-10-01", "2026-10-02", "2026-10-03", "2026-10-04", "2026-10-05", "2026-10-06", "2026-10-07", "2026-10-08", "2026-10-09", "2026-10-10", "2026-10-11", "2026-10-12", "2026-10-13", "2026-10-14", "2026-10-15", "2026-10-16", "2026-10-17", "2026-10-18", "2026-10-19", "2026-10-20", "2026-10-21" ] }, "published": "2026-10-21", "license": "https://creativecommons.org/licenses/by/4.0/", "rights": "License covers PeptidePrices analysis and derived data. Third-party laboratory reports and images retain their original rights.", "selection": { "cohort": "Same 30 compounds retained from the October 18 edition, in catalog popularity order.", "required_observed_dates": 31, "minimum_listing_observations_at_each_endpoint": 5, "ranking_scope": "Catalog popularity_rank, not measured sales or visitor telemetry." }, "return_audit": { "n": 30, "mean_pct": -3.8115406172406088, "median_full_precision": -0.3490673575129555, "median_pct": -0.3490673575129555, "sorted_middle_pair": [ -0.5181347150259086, -0.18000000000000238 ], "sorted_middle_pair_mean": -0.3490673575129555, "sorted_returns_pct": [ -28.392816549215738, -25, -15.492957746478876, -13.01298701298701, -10.619469026548678, -9.090909090909093, -9.090909090909093, -7.5552567442642165, -7.14285714285714, -5.449856733524349, -2.1526418786692814, -2.1255313828457134, -1.9803960792158515, -1.5748031496063075, -0.5181347150259086, -0.18000000000000238, -0.019999999999997797, -0.01818181818181719, 0, 0, 0, 0, 0.6666666666666599, 0.8196721311475308, 2.0408163265306145, 2.512176365034624, 3.3030661929201344, 4.167676278168164, 5.454545454545445, 6.106870229007644 ], "up": 8, "down": 18, "flat": 4, "flat_definition": "flat = change_pct exactly 0.0 at full precision; round_to_zero lists nonzero returns whose absolute value is below 0.05 percentage points.", "round_to_zero": [ { "compound": "AOD-9604", "change_pct": -0.01818181818181719 }, { "compound": "CJC-1295 (No DAC)", "change_pct": -0.019999999999997797 } ], "return_definition": "(last_median / first_median - 1) * 100, using the public daily medians as returned at 2026-09-21 and 2026-10-21 with no additional display rounding.", "median_precision_note": "The public API returns each daily median rounded to 2 decimal places. Returns use those returned medians as-is at full float precision; no additional display rounding is applied.", "historical_observation_total": 108860, "endpoint_observation_counts": { "first_date": "2026-09-21", "last_date": "2026-10-21", "first_listing_count_total": 2639, "last_listing_count_total": 3686, "listing_count_change": 1047, "listing_count_change_pct": 39.6741189844638, "first_vendor_count_total": 1771, "last_vendor_count_total": 2497, "vendor_count_change": 726, "by_compound": [ { "public_name": "GLP-3R", "peptide_id": 5, "first_listing_count": 335, "last_listing_count": 428, "listing_count_change": 93, "listing_count_change_pct": 27.761194029850756, "first_vendor_count": 102, "last_vendor_count": 134, "vendor_count_change": 32 }, { "public_name": "BPC-157", "peptide_id": 1, "first_listing_count": 133, "last_listing_count": 204, "listing_count_change": 71, "listing_count_change_pct": 53.38345864661653, "first_vendor_count": 96, "last_vendor_count": 141, "vendor_count_change": 45 }, { "public_name": "TB-500", "peptide_id": 2, "first_listing_count": 110, "last_listing_count": 156, "listing_count_change": 46, "listing_count_change_pct": 41.81818181818182, "first_vendor_count": 85, "last_vendor_count": 120, "vendor_count_change": 35 }, { "public_name": "MOTS-c", "peptide_id": 22, "first_listing_count": 158, "last_listing_count": 228, "listing_count_change": 70, "listing_count_change_pct": 44.303797468354425, "first_vendor_count": 105, "last_vendor_count": 150, "vendor_count_change": 45 }, { "public_name": "NAD+", "peptide_id": 7, "first_listing_count": 132, "last_listing_count": 194, "listing_count_change": 62, "listing_count_change_pct": 46.96969696969697, "first_vendor_count": 90, "last_vendor_count": 134, "vendor_count_change": 44 }, { "public_name": "Semax", "peptide_id": 19, "first_listing_count": 102, "last_listing_count": 148, "listing_count_change": 46, "listing_count_change_pct": 45.09803921568627, "first_vendor_count": 87, "last_vendor_count": 126, "vendor_count_change": 39 }, { "public_name": "Selank", "peptide_id": 18, "first_listing_count": 100, "last_listing_count": 141, "listing_count_change": 41, "listing_count_change_pct": 40.99999999999999, "first_vendor_count": 88, "last_vendor_count": 121, "vendor_count_change": 33 }, { "public_name": "CJC-1295 (With DAC)", "peptide_id": 10, "first_listing_count": 31, "last_listing_count": 43, "listing_count_change": 12, "listing_count_change_pct": 38.70967741935485, "first_vendor_count": 28, "last_vendor_count": 41, "vendor_count_change": 13 }, { "public_name": "Tesamorelin", "peptide_id": 21, "first_listing_count": 133, "last_listing_count": 184, "listing_count_change": 51, "listing_count_change_pct": 38.345864661654126, "first_vendor_count": 98, "last_vendor_count": 133, "vendor_count_change": 35 }, { "public_name": "Ipamorelin", "peptide_id": 11, "first_listing_count": 102, "last_listing_count": 143, "listing_count_change": 41, "listing_count_change_pct": 40.19607843137254, "first_vendor_count": 82, "last_vendor_count": 118, "vendor_count_change": 36 }, { "public_name": "Melanotan-1 (MT-1)", "peptide_id": 29, "first_listing_count": 50, "last_listing_count": 62, "listing_count_change": 12, "listing_count_change_pct": 24, "first_vendor_count": 50, "last_vendor_count": 62, "vendor_count_change": 12 }, { "public_name": "Glutathione", "peptide_id": 8, "first_listing_count": 69, "last_listing_count": 102, "listing_count_change": 33, "listing_count_change_pct": 47.82608695652173, "first_vendor_count": 60, "last_vendor_count": 83, "vendor_count_change": 23 }, { "public_name": "GLP-1S", "peptide_id": 3, "first_listing_count": 121, "last_listing_count": 143, "listing_count_change": 22, "listing_count_change_pct": 18.181818181818187, "first_vendor_count": 56, "last_vendor_count": 72, "vendor_count_change": 16 }, { "public_name": "GLP-2T", "peptide_id": 4, "first_listing_count": 242, "last_listing_count": 299, "listing_count_change": 57, "listing_count_change_pct": 23.553719008264462, "first_vendor_count": 83, "last_vendor_count": 102, "vendor_count_change": 19 }, { "public_name": "Cagrilintide", "peptide_id": 71, "first_listing_count": 71, "last_listing_count": 94, "listing_count_change": 23, "listing_count_change_pct": 32.3943661971831, "first_vendor_count": 53, "last_vendor_count": 70, "vendor_count_change": 17 }, { "public_name": "AOD-9604", "peptide_id": 12, "first_listing_count": 69, "last_listing_count": 95, "listing_count_change": 26, "listing_count_change_pct": 37.681159420289845, "first_vendor_count": 56, "last_vendor_count": 77, "vendor_count_change": 21 }, { "public_name": "CJC-1295 (No DAC)", "peptide_id": 9, "first_listing_count": 68, "last_listing_count": 100, "listing_count_change": 32, "listing_count_change_pct": 47.058823529411775, "first_vendor_count": 55, "last_vendor_count": 79, "vendor_count_change": 24 }, { "public_name": "GHRP-6", "peptide_id": 26, "first_listing_count": 15, "last_listing_count": 24, "listing_count_change": 9, "listing_count_change_pct": 60.00000000000001, "first_vendor_count": 12, "last_vendor_count": 19, "vendor_count_change": 7 }, { "public_name": "GHRP-2", "peptide_id": 25, "first_listing_count": 12, "last_listing_count": 23, "listing_count_change": 11, "listing_count_change_pct": 91.66666666666667, "first_vendor_count": 8, "last_vendor_count": 16, "vendor_count_change": 8 }, { "public_name": "Hexarelin", "peptide_id": 24, "first_listing_count": 16, "last_listing_count": 22, "listing_count_change": 6, "listing_count_change_pct": 37.5, "first_vendor_count": 14, "last_vendor_count": 20, "vendor_count_change": 6 }, { "public_name": "Sermorelin", "peptide_id": 20, "first_listing_count": 59, "last_listing_count": 87, "listing_count_change": 28, "listing_count_change_pct": 47.457627118644076, "first_vendor_count": 51, "last_vendor_count": 73, "vendor_count_change": 22 }, { "public_name": "IGF-1 LR3", "peptide_id": 27, "first_listing_count": 50, "last_listing_count": 75, "listing_count_change": 25, "listing_count_change_pct": 50, "first_vendor_count": 48, "last_vendor_count": 68, "vendor_count_change": 20 }, { "public_name": "Cerebrolysin", "peptide_id": 40, "first_listing_count": 7, "last_listing_count": 8, "listing_count_change": 1, "listing_count_change_pct": 14.28571428571428, "first_vendor_count": 7, "last_vendor_count": 8, "vendor_count_change": 1 }, { "public_name": "Epithalon (Epitalon)", "peptide_id": 15, "first_listing_count": 77, "last_listing_count": 124, "listing_count_change": 47, "listing_count_change_pct": 61.03896103896105, "first_vendor_count": 61, "last_vendor_count": 94, "vendor_count_change": 33 }, { "public_name": "FOXO4-DRI", "peptide_id": 45, "first_listing_count": 12, "last_listing_count": 23, "listing_count_change": 11, "listing_count_change_pct": 91.66666666666667, "first_vendor_count": 11, "last_vendor_count": 21, "vendor_count_change": 10 }, { "public_name": "SS-31 (Elamipretide)", "peptide_id": 32, "first_listing_count": 76, "last_listing_count": 122, "listing_count_change": 46, "listing_count_change_pct": 60.52631578947369, "first_vendor_count": 60, "last_vendor_count": 93, "vendor_count_change": 33 }, { "public_name": "GHK-Cu (Copper Peptide)", "peptide_id": 6, "first_listing_count": 168, "last_listing_count": 243, "listing_count_change": 75, "listing_count_change_pct": 44.64285714285714, "first_vendor_count": 110, "last_vendor_count": 158, "vendor_count_change": 48 }, { "public_name": "Melanotan-2 (MT-2)", "peptide_id": 30, "first_listing_count": 96, "last_listing_count": 123, "listing_count_change": 27, "listing_count_change_pct": 28.125, "first_vendor_count": 95, "last_vendor_count": 121, "vendor_count_change": 26 }, { "public_name": "Snap-8", "peptide_id": 47, "first_listing_count": 18, "last_listing_count": 34, "listing_count_change": 16, "listing_count_change_pct": 88.88888888888889, "first_vendor_count": 17, "last_vendor_count": 33, "vendor_count_change": 16 }, { "public_name": "L-Carnitine (Injectable)", "peptide_id": 83, "first_listing_count": 7, "last_listing_count": 14, "listing_count_change": 7, "listing_count_change_pct": 100, "first_vendor_count": 3, "last_vendor_count": 10, "vendor_count_change": 7 } ], "definition": "Endpoint observation counts sum each compound's first-date and last-date listing_count. listing_count is collected in-stock snapshot rows for that compound and day; it may include repeated observations of the same product over time and is not a distinct-product count." } }, "compounds": [ { "selection_order": 1, "peptide_id": 5, "public_name": "GLP-3R", "canonical_name": "Retatrutide", "popularity_rank": 1, "observed_days": 31, "first_date": "2026-09-21", "last_date": "2026-10-21", "first_listing_count": 335, "last_listing_count": 428, "first_vendor_count": 102, "last_vendor_count": 134, "first_median": 118.99, "last_median": 110, "change_pct": -7.5552567442642165, "points": [ { "date": "2026-09-21", "median_price": 118.99, "listing_count": 335, "vendor_count": 102 }, { "date": "2026-09-22", "median_price": 115, "listing_count": 330, "vendor_count": 100 }, { "date": "2026-09-23", "median_price": 115.19, "listing_count": 357, "vendor_count": 106 }, { "date": "2026-09-24", "median_price": 119.5, "listing_count": 364, "vendor_count": 108 }, { "date": "2026-09-25", "median_price": 119.99, "listing_count": 443, "vendor_count": 128 }, { "date": "2026-09-26", "median_price": 119.99, "listing_count": 425, "vendor_count": 125 }, { "date": "2026-09-27", "median_price": 119.99, "listing_count": 422, "vendor_count": 124 }, { "date": "2026-09-28", "median_price": 119.99, "listing_count": 422, "vendor_count": 124 }, { "date": "2026-09-29", "median_price": 119.99, "listing_count": 409, "vendor_count": 121 }, { "date": "2026-09-30", "median_price": 119.99, "listing_count": 395, "vendor_count": 117 }, { "date": "2026-10-01", "median_price": 119.99, "listing_count": 403, "vendor_count": 117 }, { "date": "2026-10-02", "median_price": 119.99, "listing_count": 420, "vendor_count": 122 }, { "date": "2026-10-03", "median_price": 119.99, "listing_count": 431, "vendor_count": 124 }, { "date": "2026-10-04", "median_price": 119, "listing_count": 434, "vendor_count": 124 }, { "date": "2026-10-05", "median_price": 115.95, "listing_count": 427, "vendor_count": 124 }, { "date": "2026-10-06", "median_price": 119.99, "listing_count": 400, "vendor_count": 116 }, { "date": "2026-10-07", "median_price": 119.99, "listing_count": 430, "vendor_count": 121 }, { "date": "2026-10-08", "median_price": 119, "listing_count": 469, "vendor_count": 137 }, { "date": "2026-10-09", "median_price": 116.25, "listing_count": 458, "vendor_count": 134 }, { "date": "2026-10-10", "median_price": 115, "listing_count": 458, "vendor_count": 136 }, { "date": "2026-10-11", "median_price": 115, "listing_count": 462, "vendor_count": 135 }, { "date": "2026-10-12", "median_price": 115, "listing_count": 473, "vendor_count": 139 }, { "date": "2026-10-13", "median_price": 110, "listing_count": 464, "vendor_count": 141 }, { "date": "2026-10-14", "median_price": 110.95, "listing_count": 479, "vendor_count": 147 }, { "date": "2026-10-15", "median_price": 111.99, "listing_count": 485, "vendor_count": 149 }, { "date": "2026-10-16", "median_price": 110, "listing_count": 475, "vendor_count": 145 }, { "date": "2026-10-17", "median_price": 112.75, "listing_count": 466, "vendor_count": 143 }, { "date": "2026-10-18", "median_price": 113.52, "listing_count": 473, "vendor_count": 145 }, { "date": "2026-10-19", "median_price": 110, "listing_count": 460, "vendor_count": 144 }, { "date": "2026-10-20", "median_price": 110, "listing_count": 443, "vendor_count": 137 }, { "date": "2026-10-21", "median_price": 110, "listing_count": 428, "vendor_count": 134 } ], "coa": { "verified_certificates": 1000, "library_certificates": 1577, "retained_listing_evidence_certificates": 1021, "coa_vendors": 170, "eligible_listings": 541, "exact_verified_listings": 246, "exact_coverage_pct": 45.4713493530499, "other_exact_matches": 102, "no_eligible_exact_match": 193, "selected_states": { "issuer_verified_source_attributed": 246, "issuer_verified_attribution_not_explicit": 66, "no_eligible_exact_match": 193, "document_only_unsupported_lab": 13, "issuer_verified_vendor_unattributed": 7, "coa_file_checked": 5, "issuer_unavailable": 7, "issuer_lookup_unresolved": 3, "issuer_record_conflict": 1 }, "all_panels": { "purity": 1441, "identity": 1132, "content": 1410, "endotoxin": 641, "sterility": 169, "heavy_metals": 341, "fentanyl": 196, "microbial": 260 }, "all_unknown_panels": 22, "verification_states": { "issuer_verified": 1267, "portal_unavailable": 4, "document_only_unsupported_lab": 2, "issuer_record_conflict": 33, "coa_file_checked": 154, "issuer_record_not_found": 32, "official_lab_linked": 4, "issuer_unavailable": 48, "issuer_lookup_unresolved": 33 }, "all_coa_vendors": 242, "panels": { "purity": 972, "identity": 819, "content": 958, "endotoxin": 427, "sterility": 88, "heavy_metals": 247 }, "unknown_panels": 8, "first_report_date": "2024-09-26", "last_report_date": "2026-10-09", "undated_reports": 13, "note": "Public report corpus captured 2026-10-21; exact current listing coverage uses prices checked 2026-10-14\u20132026-10-21.", "as_of": "2026-10-21", "microbial_or_sterility": 407, "microbial_and_sterility": 22, "standard_three_panel": 1106 }, "route": "/peptides/retatrutide", "days": 31, "current_distinct_listings": 812 }, { "selection_order": 2, "peptide_id": 1, "public_name": "BPC-157", "canonical_name": "BPC-157", "popularity_rank": 2, "observed_days": 31, "first_date": "2026-09-21", "last_date": "2026-10-21", "first_listing_count": 133, "last_listing_count": 204, "first_vendor_count": 96, "last_vendor_count": 141, "first_median": 48.25, "last_median": 48, "change_pct": -0.5181347150259086, "points": [ { "date": "2026-09-21", "median_price": 48.25, "listing_count": 133, "vendor_count": 96 }, { "date": "2026-09-22", "median_price": 47.52, "listing_count": 134, "vendor_count": 96 }, { "date": "2026-09-23", "median_price": 46, "listing_count": 143, "vendor_count": 104 }, { "date": "2026-09-24", "median_price": 49, "listing_count": 145, "vendor_count": 107 }, { "date": "2026-09-25", "median_price": 45.99, "listing_count": 171, "vendor_count": 121 }, { "date": "2026-09-26", "median_price": 48.62, "listing_count": 168, "vendor_count": 119 }, { "date": "2026-09-27", "median_price": 47.12, "listing_count": 170, "vendor_count": 120 }, { "date": "2026-09-28", "median_price": 46, "listing_count": 165, "vendor_count": 118 }, { "date": "2026-09-29", "median_price": 48.25, "listing_count": 159, "vendor_count": 113 }, { "date": "2026-09-30", "median_price": 45.99, "listing_count": 153, "vendor_count": 111 }, { "date": "2026-10-01", "median_price": 48.25, "listing_count": 157, "vendor_count": 112 }, { "date": "2026-10-02", "median_price": 48, "listing_count": 167, "vendor_count": 119 }, { "date": "2026-10-03", "median_price": 49, "listing_count": 168, "vendor_count": 120 }, { "date": "2026-10-04", "median_price": 48, "listing_count": 166, "vendor_count": 119 }, { "date": "2026-10-05", "median_price": 48, "listing_count": 165, "vendor_count": 118 }, { "date": "2026-10-06", "median_price": 48.5, "listing_count": 152, "vendor_count": 109 }, { "date": "2026-10-07", "median_price": 49, "listing_count": 169, "vendor_count": 115 }, { "date": "2026-10-08", "median_price": 49, "listing_count": 193, "vendor_count": 133 }, { "date": "2026-10-09", "median_price": 48, "listing_count": 191, "vendor_count": 132 }, { "date": "2026-10-10", "median_price": 47.37, "listing_count": 196, "vendor_count": 136 }, { "date": "2026-10-11", "median_price": 48, "listing_count": 199, "vendor_count": 138 }, { "date": "2026-10-12", "median_price": 47.77, "listing_count": 204, "vendor_count": 142 }, { "date": "2026-10-13", "median_price": 49, "listing_count": 209, "vendor_count": 143 }, { "date": "2026-10-14", "median_price": 49.99, "listing_count": 219, "vendor_count": 150 }, { "date": "2026-10-15", "median_price": 49.99, "listing_count": 216, "vendor_count": 149 }, { "date": "2026-10-16", "median_price": 49.99, "listing_count": 213, "vendor_count": 146 }, { "date": "2026-10-17", "median_price": 49, "listing_count": 214, "vendor_count": 147 }, { "date": "2026-10-18", "median_price": 49, "listing_count": 220, "vendor_count": 152 }, { "date": "2026-10-19", "median_price": 48.51, "listing_count": 218, "vendor_count": 151 }, { "date": "2026-10-20", "median_price": 48.32, "listing_count": 209, "vendor_count": 144 }, { "date": "2026-10-21", "median_price": 48, "listing_count": 204, "vendor_count": 141 } ], "coa": { "verified_certificates": 424, "library_certificates": 684, "retained_listing_evidence_certificates": 380, "coa_vendors": 152, "eligible_listings": 255, "exact_verified_listings": 125, "exact_coverage_pct": 49.01960784313725, "other_exact_matches": 43, "no_eligible_exact_match": 87, "selected_states": { "no_eligible_exact_match": 87, "issuer_verified_source_attributed": 125, "issuer_verified_attribution_not_explicit": 26, "document_only_unsupported_lab": 4, "issuer_unavailable": 5, "coa_file_checked": 3, "issuer_verified_vendor_unattributed": 4, "issuer_record_conflict": 1 }, "all_panels": { "purity": 603, "identity": 486, "content": 590, "endotoxin": 235, "sterility": 75, "heavy_metals": 120, "fentanyl": 62, "microbial": 82 }, "all_unknown_panels": 13, "verification_states": { "issuer_verified": 555, "document_only_unsupported_lab": 5, "coa_file_checked": 62, "issuer_unavailable": 28, "issuer_record_conflict": 11, "issuer_record_not_found": 12, "issuer_lookup_unresolved": 9, "official_lab_linked": 2 }, "all_coa_vendors": 231, "panels": { "purity": 409, "identity": 345, "content": 405, "endotoxin": 159, "sterility": 41, "heavy_metals": 87 }, "unknown_panels": 5, "first_report_date": "2024-04-18", "last_report_date": "2026-10-07", "undated_reports": 4, "note": "Public report corpus captured 2026-10-21; exact current listing coverage uses prices checked 2026-10-14\u20132026-10-21.", "as_of": "2026-10-21", "microbial_or_sterility": 153, "microbial_and_sterility": 4, "standard_three_panel": 460 }, "route": "/peptides/bpc-157", "days": 31, "current_distinct_listings": 347 }, { "selection_order": 3, "peptide_id": 2, "public_name": "TB-500", "canonical_name": "TB-500 (Thymosin Beta-4)", "popularity_rank": 3, "observed_days": 31, "first_date": "2026-09-21", "last_date": "2026-10-21", "first_listing_count": 110, "last_listing_count": 156, "first_vendor_count": 85, "last_vendor_count": 120, "first_median": 55.88, "last_median": 55, "change_pct": -1.5748031496063075, "points": [ { "date": "2026-09-21", "median_price": 55.88, "listing_count": 110, "vendor_count": 85 }, { "date": "2026-09-22", "median_price": 56.75, "listing_count": 113, "vendor_count": 87 }, { "date": 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"2026-10-04", "median_price": 56.75, "listing_count": 143, "vendor_count": 111 }, { "date": "2026-10-05", "median_price": 56.91, "listing_count": 138, "vendor_count": 109 }, { "date": "2026-10-06", "median_price": 58.99, "listing_count": 131, "vendor_count": 104 }, { "date": "2026-10-07", "median_price": 56.91, "listing_count": 144, "vendor_count": 111 }, { "date": "2026-10-08", "median_price": 56.31, "listing_count": 162, "vendor_count": 126 }, { "date": "2026-10-09", "median_price": 55.92, "listing_count": 159, "vendor_count": 123 }, { "date": "2026-10-10", "median_price": 56.49, "listing_count": 160, "vendor_count": 125 }, { "date": "2026-10-11", "median_price": 56.23, "listing_count": 161, "vendor_count": 125 }, { "date": "2026-10-12", "median_price": 56.39, "listing_count": 160, "vendor_count": 124 }, { "date": "2026-10-13", "median_price": 55.79, "listing_count": 167, "vendor_count": 128 }, { "date": "2026-10-14", "median_price": 59, "listing_count": 172, "vendor_count": 132 }, { "date": "2026-10-15", "median_price": 59, "listing_count": 169, "vendor_count": 130 }, { "date": "2026-10-16", "median_price": 59, "listing_count": 163, "vendor_count": 126 }, { "date": "2026-10-17", "median_price": 56.88, "listing_count": 164, "vendor_count": 126 }, { "date": "2026-10-18", "median_price": 56.62, "listing_count": 168, "vendor_count": 130 }, { "date": "2026-10-19", "median_price": 55.58, "listing_count": 168, "vendor_count": 130 }, { "date": "2026-10-20", "median_price": 54.58, "listing_count": 160, "vendor_count": 122 }, { "date": "2026-10-21", "median_price": 55, "listing_count": 156, "vendor_count": 120 } ], "coa": { "verified_certificates": 278, "library_certificates": 438, "retained_listing_evidence_certificates": 265, "coa_vendors": 122, "eligible_listings": 190, "exact_verified_listings": 82, "exact_coverage_pct": 43.15789473684211, "other_exact_matches": 28, "no_eligible_exact_match": 80, "selected_states": { "issuer_verified_source_attributed": 82, 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"2026-10-16", "median_price": 61.94, "listing_count": 239, "vendor_count": 157 }, { "date": "2026-10-17", "median_price": 64.99, "listing_count": 239, "vendor_count": 155 }, { "date": "2026-10-18", "median_price": 64.34, "listing_count": 244, "vendor_count": 159 }, { "date": "2026-10-19", "median_price": 62.95, "listing_count": 239, "vendor_count": 157 }, { "date": "2026-10-20", "median_price": 62, "listing_count": 229, "vendor_count": 151 }, { "date": "2026-10-21", "median_price": 61.5, "listing_count": 228, "vendor_count": 150 } ], "coa": { "verified_certificates": 463, "library_certificates": 669, "retained_listing_evidence_certificates": 457, "coa_vendors": 154, "eligible_listings": 282, "exact_verified_listings": 130, "exact_coverage_pct": 46.09929078014184, "other_exact_matches": 52, "no_eligible_exact_match": 100, "selected_states": { "issuer_verified_source_attributed": 130, "issuer_verified_attribution_not_explicit": 32, "no_eligible_exact_match": 100, "coa_file_checked": 5, 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"median_price": 69.99, "listing_count": 153, "vendor_count": 109 }, { "date": "2026-10-07", "median_price": 69.99, "listing_count": 168, "vendor_count": 116 }, { "date": "2026-10-08", "median_price": 69.99, "listing_count": 183, "vendor_count": 128 }, { "date": "2026-10-09", "median_price": 69.99, "listing_count": 184, "vendor_count": 127 }, { "date": "2026-10-10", "median_price": 69.99, "listing_count": 191, "vendor_count": 132 }, { "date": "2026-10-11", "median_price": 69.99, "listing_count": 193, "vendor_count": 134 }, { "date": "2026-10-12", "median_price": 69.99, "listing_count": 200, "vendor_count": 138 }, { "date": "2026-10-13", "median_price": 69.99, "listing_count": 201, "vendor_count": 138 }, { "date": "2026-10-14", "median_price": 69.99, "listing_count": 209, "vendor_count": 144 }, { "date": "2026-10-15", "median_price": 70, "listing_count": 204, "vendor_count": 141 }, { "date": "2026-10-16", "median_price": 69.99, "listing_count": 203, "vendor_count": 140 }, { "date": 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"date": "2026-09-27", "median_price": 39.99, "listing_count": 131, "vendor_count": 111 }, { "date": "2026-09-28", "median_price": 39.99, "listing_count": 126, "vendor_count": 107 }, { "date": "2026-09-29", "median_price": 39.99, "listing_count": 125, "vendor_count": 106 }, { "date": "2026-09-30", "median_price": 39.99, "listing_count": 123, "vendor_count": 105 }, { "date": "2026-10-01", "median_price": 39.99, "listing_count": 121, "vendor_count": 102 }, { "date": "2026-10-02", "median_price": 39.99, "listing_count": 127, "vendor_count": 108 }, { "date": "2026-10-03", "median_price": 39.99, "listing_count": 129, "vendor_count": 111 }, { "date": "2026-10-04", "median_price": 39.99, "listing_count": 128, "vendor_count": 110 }, { "date": "2026-10-05", "median_price": 39.99, "listing_count": 126, "vendor_count": 108 }, { "date": "2026-10-06", "median_price": 39.99, "listing_count": 116, "vendor_count": 98 }, { "date": "2026-10-07", "median_price": 39.99, "listing_count": 127, "vendor_count": 107 }, { "date": "2026-10-08", "median_price": 39.99, "listing_count": 144, "vendor_count": 122 }, { "date": "2026-10-09", "median_price": 39.99, "listing_count": 140, "vendor_count": 120 }, { "date": "2026-10-10", "median_price": 39.99, "listing_count": 145, "vendor_count": 126 }, { "date": "2026-10-11", "median_price": 39.99, "listing_count": 143, "vendor_count": 123 }, { "date": "2026-10-12", "median_price": 39.99, "listing_count": 147, "vendor_count": 127 }, { "date": "2026-10-13", "median_price": 40, "listing_count": 150, "vendor_count": 128 }, { "date": "2026-10-14", "median_price": 40, "listing_count": 159, "vendor_count": 135 }, { "date": "2026-10-15", "median_price": 42.97, "listing_count": 155, "vendor_count": 133 }, { "date": "2026-10-16", "median_price": 40, "listing_count": 153, "vendor_count": 131 }, { "date": "2026-10-17", "median_price": 42.37, "listing_count": 153, "vendor_count": 131 }, { "date": "2026-10-18", "median_price": 40, "listing_count": 157, "vendor_count": 135 }, { "date": "2026-10-19", "median_price": 40, "listing_count": 158, "vendor_count": 134 }, { "date": "2026-10-20", "median_price": 39.99, "listing_count": 148, "vendor_count": 126 }, { "date": "2026-10-21", "median_price": 39.99, "listing_count": 148, "vendor_count": 126 } ], "coa": { "verified_certificates": 211, "library_certificates": 369, "retained_listing_evidence_certificates": 232, "coa_vendors": 123, "eligible_listings": 176, "exact_verified_listings": 76, "exact_coverage_pct": 43.18181818181818, "other_exact_matches": 31, "no_eligible_exact_match": 69, "selected_states": { "issuer_verified_attribution_not_explicit": 21, "issuer_verified_source_attributed": 76, "no_eligible_exact_match": 69, "document_only_unsupported_lab": 4, "issuer_verified_vendor_unattributed": 1, "issuer_unavailable": 4, "coa_file_checked": 1 }, "all_panels": { "purity": 315, "identity": 242, "content": 292, "endotoxin": 137, "sterility": 42, "heavy_metals": 67, "fentanyl": 33, 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"vendor_count": 119 }, { "date": "2026-10-06", "median_price": 77.92, "listing_count": 152, "vendor_count": 107 }, { "date": "2026-10-07", "median_price": 77.92, "listing_count": 164, "vendor_count": 114 }, { "date": "2026-10-08", "median_price": 77, "listing_count": 188, "vendor_count": 132 }, { "date": "2026-10-09", "median_price": 77, "listing_count": 182, "vendor_count": 129 }, { "date": "2026-10-10", "median_price": 77, "listing_count": 186, "vendor_count": 133 }, { "date": "2026-10-11", "median_price": 78.92, "listing_count": 186, "vendor_count": 132 }, { "date": "2026-10-12", "median_price": 78.84, "listing_count": 187, "vendor_count": 133 }, { "date": "2026-10-13", "median_price": 78.84, "listing_count": 191, "vendor_count": 135 }, { "date": "2026-10-14", "median_price": 78.84, "listing_count": 199, "vendor_count": 141 }, { "date": "2026-10-15", "median_price": 79, "listing_count": 200, "vendor_count": 144 }, { "date": "2026-10-16", "median_price": 78.84, "listing_count": 195, 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"median_price": 85, "listing_count": 94, "vendor_count": 70 }, { "date": "2026-10-11", "median_price": 84.99, "listing_count": 97, "vendor_count": 71 }, { "date": "2026-10-12", "median_price": 85, "listing_count": 98, "vendor_count": 72 }, { "date": "2026-10-13", "median_price": 79.99, "listing_count": 98, "vendor_count": 72 }, { "date": "2026-10-14", "median_price": 81.94, "listing_count": 102, "vendor_count": 76 }, { "date": "2026-10-15", "median_price": 83.7, "listing_count": 103, "vendor_count": 76 }, { "date": "2026-10-16", "median_price": 79, "listing_count": 97, "vendor_count": 73 }, { "date": "2026-10-17", "median_price": 79, "listing_count": 99, "vendor_count": 73 }, { "date": "2026-10-18", "median_price": 79.99, "listing_count": 102, "vendor_count": 76 }, { "date": "2026-10-19", "median_price": 79.99, "listing_count": 99, "vendor_count": 74 }, { "date": "2026-10-20", "median_price": 79.5, "listing_count": 98, "vendor_count": 72 }, { "date": "2026-10-21", "median_price": 78.5, 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"listing_count": 100, "vendor_count": 82 }, { "date": "2026-10-14", "median_price": 55, "listing_count": 105, "vendor_count": 86 }, { "date": "2026-10-15", "median_price": 55, "listing_count": 103, "vendor_count": 85 }, { "date": "2026-10-16", "median_price": 55, "listing_count": 100, "vendor_count": 83 }, { "date": "2026-10-17", "median_price": 55, "listing_count": 101, "vendor_count": 83 }, { "date": "2026-10-18", "median_price": 55, "listing_count": 103, "vendor_count": 84 }, { "date": "2026-10-19", "median_price": 55, "listing_count": 100, "vendor_count": 82 }, { "date": "2026-10-20", "median_price": 55, "listing_count": 99, "vendor_count": 79 }, { "date": "2026-10-21", "median_price": 54.99, "listing_count": 95, "vendor_count": 77 } ], "coa": { "verified_certificates": 160, "library_certificates": 261, "retained_listing_evidence_certificates": 156, "coa_vendors": 83, "eligible_listings": 119, "exact_verified_listings": 52, "exact_coverage_pct": 43.69747899159664, 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"median_price": 50, "listing_count": 90, "vendor_count": 71 }, { "date": "2026-10-06", "median_price": 50, "listing_count": 83, "vendor_count": 65 }, { "date": "2026-10-07", "median_price": 50, "listing_count": 88, "vendor_count": 67 }, { "date": "2026-10-08", "median_price": 50, "listing_count": 100, "vendor_count": 77 }, { "date": "2026-10-09", "median_price": 50, "listing_count": 96, "vendor_count": 75 }, { "date": "2026-10-10", "median_price": 50, "listing_count": 98, "vendor_count": 78 }, { "date": "2026-10-11", "median_price": 50, "listing_count": 100, "vendor_count": 79 }, { "date": "2026-10-12", "median_price": 50, "listing_count": 102, "vendor_count": 81 }, { "date": "2026-10-13", "median_price": 50, "listing_count": 99, "vendor_count": 78 }, { "date": "2026-10-14", "median_price": 50, "listing_count": 100, "vendor_count": 79 }, { "date": "2026-10-15", "median_price": 50, "listing_count": 100, "vendor_count": 79 }, { "date": "2026-10-16", "median_price": 50, "listing_count": 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"date": "2026-09-27", "median_price": 35, "listing_count": 23, "vendor_count": 20 }, { "date": "2026-09-28", "median_price": 35, "listing_count": 23, "vendor_count": 20 }, { "date": "2026-09-29", "median_price": 35, "listing_count": 23, "vendor_count": 20 }, { "date": "2026-09-30", "median_price": 34.99, "listing_count": 21, "vendor_count": 18 }, { "date": "2026-10-01", "median_price": 34.99, "listing_count": 22, "vendor_count": 18 }, { "date": "2026-10-02", "median_price": 34.99, "listing_count": 23, "vendor_count": 19 }, { "date": "2026-10-03", "median_price": 34.99, "listing_count": 23, "vendor_count": 19 }, { "date": "2026-10-04", "median_price": 33.99, "listing_count": 22, "vendor_count": 18 }, { "date": "2026-10-05", "median_price": 33.99, "listing_count": 22, "vendor_count": 18 }, { "date": "2026-10-06", "median_price": 34.99, "listing_count": 23, "vendor_count": 19 }, { "date": "2026-10-07", "median_price": 33.99, "listing_count": 22, "vendor_count": 18 }, { "date": 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"median_price": 34.99, "listing_count": 28, "vendor_count": 23 }, { "date": "2026-10-20", "median_price": 32.99, "listing_count": 29, "vendor_count": 23 }, { "date": "2026-10-21", "median_price": 31.5, "listing_count": 24, "vendor_count": 19 } ], "coa": { "verified_certificates": 22, "library_certificates": 37, "retained_listing_evidence_certificates": 25, "coa_vendors": 17, "eligible_listings": 33, "exact_verified_listings": 8, "exact_coverage_pct": 24.242424242424242, "other_exact_matches": 7, "no_eligible_exact_match": 18, "selected_states": { "no_eligible_exact_match": 18, "issuer_verified_attribution_not_explicit": 2, "coa_file_checked": 2, "issuer_verified_source_attributed": 8, "issuer_verified_vendor_unattributed": 1, "document_only_unsupported_lab": 2 }, "all_panels": { "purity": 34, "identity": 24, "content": 32, "endotoxin": 12, "sterility": 3, "heavy_metals": 9, "fentanyl": 3, "microbial": 4 }, "all_unknown_panels": 2, "verification_states": { 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"median_price": 50, "listing_count": 132, "vendor_count": 99 }, { "date": "2026-10-13", "median_price": 50, "listing_count": 132, "vendor_count": 98 }, { "date": "2026-10-14", "median_price": 50, "listing_count": 139, "vendor_count": 104 }, { "date": "2026-10-15", "median_price": 50, "listing_count": 134, "vendor_count": 102 }, { "date": "2026-10-16", "median_price": 50, "listing_count": 132, "vendor_count": 101 }, { "date": "2026-10-17", "median_price": 50, "listing_count": 131, "vendor_count": 99 }, { "date": "2026-10-18", "median_price": 50, "listing_count": 137, "vendor_count": 103 }, { "date": "2026-10-19", "median_price": 50, "listing_count": 133, "vendor_count": 102 }, { "date": "2026-10-20", "median_price": 50, "listing_count": 130, "vendor_count": 98 }, { "date": "2026-10-21", "median_price": 50, "listing_count": 124, "vendor_count": 94 } ], "coa": { "verified_certificates": 205, "library_certificates": 297, "retained_listing_evidence_certificates": 200, "coa_vendors": 93, 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"2026-10-15", "median_price": 157.49, "listing_count": 22, "vendor_count": 20 }, { "date": "2026-10-16", "median_price": 167, "listing_count": 20, "vendor_count": 18 }, { "date": "2026-10-17", "median_price": 167, "listing_count": 22, "vendor_count": 20 }, { "date": "2026-10-18", "median_price": 157.49, "listing_count": 24, "vendor_count": 22 }, { "date": "2026-10-19", "median_price": 149.99, "listing_count": 25, "vendor_count": 22 }, { "date": "2026-10-20", "median_price": 164.99, "listing_count": 23, "vendor_count": 21 }, { "date": "2026-10-21", "median_price": 164.99, "listing_count": 23, "vendor_count": 21 } ], "coa": { "verified_certificates": 31, "library_certificates": 54, "retained_listing_evidence_certificates": 29, "coa_vendors": 20, "eligible_listings": 27, "exact_verified_listings": 10, "exact_coverage_pct": 37.03703703703704, "other_exact_matches": 3, "no_eligible_exact_match": 14, "selected_states": { "no_eligible_exact_match": 14, "issuer_verified_source_attributed": 10, 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"median_price": 40, "listing_count": 126, "vendor_count": 124 }, { "date": "2026-10-13", "median_price": 40, "listing_count": 127, "vendor_count": 125 }, { "date": "2026-10-14", "median_price": 40, "listing_count": 134, "vendor_count": 131 }, { "date": "2026-10-15", "median_price": 40, "listing_count": 135, "vendor_count": 132 }, { "date": "2026-10-16", "median_price": 39.99, "listing_count": 130, "vendor_count": 127 }, { "date": "2026-10-17", "median_price": 39.99, "listing_count": 131, "vendor_count": 128 }, { "date": "2026-10-18", "median_price": 39.99, "listing_count": 134, "vendor_count": 131 }, { "date": "2026-10-19", "median_price": 39.99, "listing_count": 134, "vendor_count": 131 }, { "date": "2026-10-20", "median_price": 39.99, "listing_count": 126, "vendor_count": 124 }, { "date": "2026-10-21", "median_price": 39.99, "listing_count": 123, "vendor_count": 121 } ], "coa": { "verified_certificates": 194, "library_certificates": 309, "retained_listing_evidence_certificates": 204, 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"median_price": 35.5, "listing_count": 36, "vendor_count": 34 }, { "date": "2026-10-16", "median_price": 35, "listing_count": 36, "vendor_count": 34 }, { "date": "2026-10-17", "median_price": 35.99, "listing_count": 39, "vendor_count": 37 }, { "date": "2026-10-18", "median_price": 37, "listing_count": 38, "vendor_count": 36 }, { "date": "2026-10-19", "median_price": 38, "listing_count": 37, "vendor_count": 36 }, { "date": "2026-10-20", "median_price": 35.99, "listing_count": 37, "vendor_count": 35 }, { "date": "2026-10-21", "median_price": 33.49, "listing_count": 34, "vendor_count": 33 } ], "coa": { "verified_certificates": 48, "library_certificates": 79, "retained_listing_evidence_certificates": 58, "coa_vendors": 33, "eligible_listings": 45, "exact_verified_listings": 16, "exact_coverage_pct": 35.55555555555556, "other_exact_matches": 5, "no_eligible_exact_match": 24, "selected_states": { "no_eligible_exact_match": 24, "issuer_verified_source_attributed": 16, 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13, "vendor_count": 8 }, { "date": "2026-10-10", "median_price": 46.87, "listing_count": 12, "vendor_count": 8 }, { "date": "2026-10-11", "median_price": 49, "listing_count": 14, "vendor_count": 9 }, { "date": "2026-10-12", "median_price": 49, "listing_count": 14, "vendor_count": 9 }, { "date": "2026-10-13", "median_price": 50, "listing_count": 13, "vendor_count": 8 }, { "date": "2026-10-14", "median_price": 50, "listing_count": 13, "vendor_count": 8 }, { "date": "2026-10-15", "median_price": 49.61, "listing_count": 14, "vendor_count": 9 }, { "date": "2026-10-16", "median_price": 48.64, "listing_count": 12, "vendor_count": 8 }, { "date": "2026-10-17", "median_price": 51.5, "listing_count": 14, "vendor_count": 9 }, { "date": "2026-10-18", "median_price": 50, "listing_count": 15, "vendor_count": 10 }, { "date": "2026-10-19", "median_price": 49.99, "listing_count": 13, "vendor_count": 11 }, { "date": "2026-10-20", "median_price": 50, "listing_count": 17, "vendor_count": 12 }, { "date": 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"median_price": 168, "listing_count": 7, "vendor_count": 7 }, { "date": "2026-10-11", "median_price": 168, "listing_count": 7, "vendor_count": 7 }, { "date": "2026-10-12", "median_price": 168, "listing_count": 7, "vendor_count": 7 }, { "date": "2026-10-13", "median_price": 168, "listing_count": 7, "vendor_count": 7 }, { "date": "2026-10-14", "median_price": 168, "listing_count": 7, "vendor_count": 7 }, { "date": "2026-10-15", "median_price": 173, "listing_count": 8, "vendor_count": 8 }, { "date": "2026-10-16", "median_price": 173, "listing_count": 8, "vendor_count": 8 }, { "date": "2026-10-17", "median_price": 173, "listing_count": 8, "vendor_count": 8 }, { "date": "2026-10-18", "median_price": 168, "listing_count": 7, "vendor_count": 7 }, { "date": "2026-10-19", "median_price": 168, "listing_count": 7, "vendor_count": 7 }, { "date": "2026-10-20", "median_price": 134, "listing_count": 6, "vendor_count": 6 }, { "date": "2026-10-21", "median_price": 134, "listing_count": 6, "vendor_count": 6 } ], "coa": { "verified_certificates": 15, "library_certificates": 17, "retained_listing_evidence_certificates": 9, "coa_vendors": 13, "eligible_listings": 8, "exact_verified_listings": 2, "exact_coverage_pct": 25, "other_exact_matches": 0, "no_eligible_exact_match": 6, "selected_states": { "no_eligible_exact_match": 6, "issuer_verified_source_attributed": 2 }, "all_panels": { "purity": 17, "identity": 17, "content": 17, "endotoxin": 14, "sterility": 0, "heavy_metals": 14, "fentanyl": 10, "microbial": 13 }, "all_unknown_panels": 0, "verification_states": { "issuer_verified": 16, "issuer_record_not_found": 1 }, "all_coa_vendors": 15, "panels": { "purity": 15, "identity": 15, "content": 15, "endotoxin": 12, "sterility": 0, "heavy_metals": 12 }, "unknown_panels": 0, "first_report_date": "2026-07-09", "last_report_date": "2026-10-02", "undated_reports": 0, "note": "Public report corpus captured 2026-10-21; exact current listing coverage uses prices checked 2026-10-14\u20132026-10-21.", "as_of": "2026-10-21", "microbial_or_sterility": 13, "microbial_and_sterility": 0, "standard_three_panel": 17 }, "current_exclusions": { "nonpublic": 0, "unavailable": 1, "staleOrUndated": 1, "missingStrength": 0, "duplicate": 0, "as_of": "2026-10-18" }, "main_sample": false, "owner_selected": true, "current_distinct_listings": 10 } ], "previous_edition_sensitivity": [ { "compound": "GLP-3R", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -7.5552567442642165, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -4.30622009569378, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "BPC-157", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -0.5181347150259086, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 7.377777777777772, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "TB-500", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -1.5748031496063075, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -0.7636363636363663, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "MOTS-c", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 0.8196721311475308, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 3.3333333333333437, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "NAD+", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 0, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 1.4347826086956506, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Semax", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 0, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 0, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Selank", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 4.167676278168164, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 6.614974557790165, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "CJC-1295 (With DAC)", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 0, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 2.7272727272727337, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Tesamorelin", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 0.6666666666666599, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 2.680357380984133, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Ipamorelin", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -1.9803960792158515, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -1.9803960792158515, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Melanotan-1 (MT-1)", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -2.1255313828457134, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 0, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Glutathione", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 0, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 0, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "GLP-1S", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -7.14285714285714, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -4.800000000000004, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "GLP-2T", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -9.090909090909093, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -2.1739130434782594, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Cagrilintide", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 3.3030661929201344, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 6.08486789431546, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "AOD-9604", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -0.01818181818181719, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 0, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "CJC-1295 (No DAC)", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -0.019999999999997797, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 0.02000400080015563, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "GHRP-6", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -28.392816549215738, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -25.005683109797683, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "GHRP-2", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -15.492957746478876, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -15.492957746478876, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Hexarelin", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -10.619469026548678, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -12.08620689655172, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Sermorelin", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 5.454545454545445, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 8.145454545454545, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "IGF-1 LR3", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -9.090909090909093, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 0.37878787878786735, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Cerebrolysin", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -25, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -25.506647734606947, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Epithalon (Epitalon)", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 2.0408163265306145, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 5.61892691170256, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "FOXO4-DRI", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -5.449856733524349, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -1.203592814371257, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "SS-31 (Elamipretide)", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 6.106870229007644, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 7.67692307692307, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "GHK-Cu (Copper Peptide)", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -2.1526418786692814, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 4.0000000000000036, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Melanotan-2 (MT-2)", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": 2.512176365034624, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 6.018027571580076, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Snap-8", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -13.01298701298701, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -6.519480519480513, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "L-Carnitine (Injectable)", "primary_start": "2026-09-21", "primary_end": "2026-10-21", "primary_change_pct": -0.18000000000000238, "sensitivity_start": "2026-09-20", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": 0, "days_primary": 31, "days_sensitivity": 31, "shift": "one day earlier, same length", "note": "Uses the 2026-09-20 point already returned by the same 90-day public read; no interpolated points." }, { "compound": "Eloralintide", "primary_start": "2026-10-08", "primary_end": "2026-10-21", "primary_change_pct": -12.987012987012992, "sensitivity_start": "2026-10-08", "sensitivity_end": "2026-10-20", "sensitivity_change_pct": -12.987012987012992, "days_primary": 14, "days_sensitivity": 13, "shift": "endpoint one day earlier; its series begins 2026-10-08", "note": "Shorter series; no synthetic pre-2026-10-08 points." } ], "association": { "as_of": "2026-10-21", "listing_window": { "from": "2026-10-14", "through": "2026-10-21" }, "scope": "Same30 current listing evidence, grouped by compound, nominal strength, unit, formulation, package count and total quantity. Equal-price vendor ties receive average ranks; groups require at least three distinct vendors.", "association": { "listings_in_ranked_groups": 4414, "groups_ranked": 93 }, "tercile_table": [ { "tercile": "cheap", "listing_entries": 1511, "vendors": 166, "groups": 93, "coverage_any": 0.6532, "coverage_verified": 0.589, "coverage_source_attributed": 0.4017, "panel_known": 972, "panel_unknown": 539, "median_panel": 4, "mean_panel": 4.32, "panel3_records": 386, "panel7_records": 169, "panel8plus_records": 25, "panel7plus_records": 194, "panel3_share_of_known": 39.71, "panel7_share_of_known": 17.39, "panel8plus_share_of_known": 2.57, "panel7plus_share_of_known": 19.96, "panel_extended_ge4_share_of_known": 50.21, "panel_limited_le2_share_of_known": 10.08 }, { "tercile": "mid", "listing_entries": 1459, "vendors": 178, "groups": 93, "coverage_any": 0.6141, "coverage_verified": 0.562, "coverage_source_attributed": 0.4729, "panel_known": 870, "panel_unknown": 589, "median_panel": 3, "mean_panel": 3.7494, "panel3_records": 478, "panel7_records": 73, "panel8plus_records": 15, "panel7plus_records": 88, "panel3_share_of_known": 54.94, "panel7_share_of_known": 8.39, "panel8plus_share_of_known": 1.72, "panel7plus_share_of_known": 10.11, "panel_extended_ge4_share_of_known": 35.52, "panel_limited_le2_share_of_known": 9.54 }, { "tercile": "expensive", "listing_entries": 1444, "vendors": 157, "groups": 93, "coverage_any": 0.5388, "coverage_verified": 0.4855, "coverage_source_attributed": 0.4356, "panel_known": 742, "panel_unknown": 702, "median_panel": 3, "mean_panel": 3.6334, "panel3_records": 378, "panel7_records": 24, "panel8plus_records": 12, "panel7plus_records": 36, "panel3_share_of_known": 50.94, "panel7_share_of_known": 3.23, "panel8plus_share_of_known": 1.62, "panel7plus_share_of_known": 4.85, "panel_extended_ge4_share_of_known": 36.52, "panel_limited_le2_share_of_known": 12.53 } ], "known_panel_source": "Current public listing-summary projection. Unavailable panel sizes remain unknown.", "missing_summary_certificate_count": 3 }, "listing_counts": { "current_distinct_listings": 6429, "current_as_of": "2026-10-21", "historical_collected_observations": 108860, "by_compound": [ { "peptide_id": 5, "public_name": "GLP-3R", "listings": 812 }, { "peptide_id": 1, "public_name": "BPC-157", "listings": 347 }, { "peptide_id": 2, "public_name": "TB-500", "listings": 259 }, { "peptide_id": 22, "public_name": "MOTS-c", "listings": 389 }, { "peptide_id": 7, "public_name": "NAD+", "listings": 327 }, { "peptide_id": 19, "public_name": "Semax", "listings": 235 }, { "peptide_id": 18, "public_name": "Selank", "listings": 224 }, { "peptide_id": 10, "public_name": "CJC-1295 (With DAC)", "listings": 74 }, { "peptide_id": 21, "public_name": "Tesamorelin", "listings": 334 }, { "peptide_id": 11, "public_name": "Ipamorelin", "listings": 229 }, { "peptide_id": 29, "public_name": "Melanotan-1 (MT-1)", "listings": 106 }, { "peptide_id": 8, "public_name": "Glutathione", "listings": 168 }, { "peptide_id": 3, "public_name": "GLP-1S", "listings": 275 }, { "peptide_id": 4, "public_name": "GLP-2T", "listings": 615 }, { "peptide_id": 71, "public_name": "Cagrilintide", "listings": 163 }, { "peptide_id": 12, "public_name": "AOD-9604", "listings": 158 }, { "peptide_id": 9, "public_name": "CJC-1295 (No DAC)", "listings": 157 }, { "peptide_id": 26, "public_name": "GHRP-6", "listings": 46 }, { "peptide_id": 25, "public_name": "GHRP-2", "listings": 42 }, { "peptide_id": 24, "public_name": "Hexarelin", "listings": 37 }, { "peptide_id": 20, "public_name": "Sermorelin", "listings": 145 }, { "peptide_id": 27, "public_name": "IGF-1 LR3", "listings": 129 }, { "peptide_id": 40, "public_name": "Cerebrolysin", "listings": 19 }, { "peptide_id": 15, "public_name": "Epithalon (Epitalon)", "listings": 205 }, { "peptide_id": 45, "public_name": "FOXO4-DRI", "listings": 35 }, { "peptide_id": 32, "public_name": "SS-31 (Elamipretide)", "listings": 219 }, { "peptide_id": 6, "public_name": "GHK-Cu (Copper Peptide)", "listings": 400 }, { "peptide_id": 30, "public_name": "Melanotan-2 (MT-2)", "listings": 200 }, { "peptide_id": 47, "public_name": "Snap-8", "listings": 59 }, { "peptide_id": 83, "public_name": "L-Carnitine (Injectable)", "listings": 21 } ], "definition": "Distinct current public in-stock positive-price rows by compound, vendor, normalized product URL and total quantity; historical observations count daily collected rows and may repeat products." }, "current_listing_snapshot": { "as_of": "2026-10-21", "public_distinct_in_stock_listings": 6429, "identity": "compound, vendor, normalized product URL and total quantity", "public_scope": "Current isPublicStockListing eligibility; excludes owner-held/rejected and withheld price rows.", "fresh_coverage_window": { "from": "2026-10-14", "through": "2026-10-21" } }, "coa_analysis": { "as_of": "2026-10-21", "status": "refreshed", "corpus_records": 17271, "source": "Current main public COA ownership adapters and exact listing-evidence projection; no new verification date is inferred." }, "coa_as_of": "2026-10-21", "source_capture_hashes": { "market": "4ea1b91fb32c089507778b7dceacae4a150cba70da2af3757db87097597db7a7", "listing_evidence": "ddeede1d979a86cecb5021c4f124fad4bc88610f4bc43f02a53904a632cfb5a8", "listing_evidence_as_of": "2026-10-21", "market_20261018": "9d665c4c4e59e4daab05dac9c8a90c003fbd74b5030b4b31fb994808ebdc3a25", "vendors": { "1": "323764770ce7a1411aa453bdf32532f62f990b9138174c6bf04dd2b5f839b7e4", "2": "1502b2928635af1aae6b7a79293fdb346af0b36f2284b7ead7180fac2426abf9", "3": "4b9565d3e0060560c1f53620a30ea308d4586d78f6291399f9fd451d9d64b17b", "4": "7b9d314964822878a7cf098575d6a183696f152529e717e889097e8a07119e6e", "5": "1d12ac1bd1baf3417a8a7945343dcac3c4d003a21d75d22e6bd018c74b68429b", "6": "f4fc745d84f21a5e0a8b6c653a4aa1addc40b2828393e1da7d06c5b9caa87969", "7": "51ffa34b60f6f61a07d95238801e737b68b73e6145d812a9392a96718d0bf555", "8": "95f0dc45be277c8425caf123aa8630dc552a680bd3a769ac5f6b486ab5b8160e", "9": "0e3344c6723e16a52f0de4730d78cbe2965e90a690c7423c0f490e5cfd254465", "10": "2e8e7e28b137dd000c6d8d765fd4fb1a31d0778845296c31fb29bf5574c32de4", "11": "1312d6f7de08986ed568d2dc56e3d172ca66acf0efdb207783f18cd9dfb6f4ef", "12": "05f7a707d9f76e2811365cd2b647c317e6fcd96f3c19ae8712a16138314346fc", "15": "1a39b89118c0042fb579944eff040709c3bf84e99535b1f5000e006c5bedaebd", "18": "cba8161cc942f484bb090f636c64ea6cd70a7193462c184a1c79cba382b8bf60", "19": "f490d1de91bb79b0d9efc3ed93bc64d1ca40b5dcd5b294feaabb874a621c258f", "20": "96606b93f5a3e7e6b4e1ed74bf10364362a145fa0f010189f30bcf320b498a41", "21": "f91099b2659a16cebb0110d28504120482a13957a68f757f6e081cb8c458c612", "22": "1a4abccabc10e9d8f4f17f1c7f2a24717db796510805c8abb4e5a17a1ba1c60a", "24": "233d00777173d0ea43f9b1933683d24dedcfa168d1ffde87ed0895a43acaf7ad", "25": "aec258366f16e257a7bacd0c0d30ff9f80dcd4d90e6f4d7bbe3fe456df120c21", "26": "d02375896ef0c14f8b98664fdad2bf66e841b4d655bd3bed42f10e7b38816bdb", "27": "faca20ccfda042b3f4cd0fca93c7095877299b72c28109a9d18581bf9121efa3", "29": "f1a7e990227915e0b96017aa74ef98ba6fb3eba4fb4d425bf62f1dbe1c4f389b", "30": "ff5fb86f910749363e9f28415c9a685eaee20834dfa1753c4e15d677bfff7699", "32": "c0598fd195f05afd7b695a432962f75a04351865fd4e8061697689de12a4b338", "40": "3b0ea806e1edda03c2b8e5013143b8ec95288ad78799662aac75b95595b4418e", "45": "dd7916c0cdc17397eb5188f938a4f1c4730e5f621e660d37df051d1a26ba7480", "47": "b9a42930c60f7a977f7ffb49f982165a19d666f5492c7165b227fe371f70462f", "71": "4322a569cb4e04b560b5600bcd4371d8c5ae2574493879c18a30191d61b6c971", "83": "4101e03e6fda266b58564f7d042db52682ea4fb546e6f46a6ac1826e0346f1d5", "50135": "ecba8e37be6b1e1c1fe80065fb57411a674f89a596d8c56a1c1f060627babd6f" }, "capture_receipts": "bf90f5b64bb4b3c3e5b228332954a8028394d6cd597ebfa1559c2039280499c8", "current_coa_corpus": "ddeede1d979a86cecb5021c4f124fad4bc88610f4bc43f02a53904a632cfb5a8", "current_full_library": "4dde7e765141fc24989861275a3fe90d52f2b0fa3d50236727f50517d753d342", "listing_evidence_20261018": "c253f5ce93553ba7b3eae03de56df143591baccc1c5e4f8bbd62ad1bad15dca0", "current_market_catalog": "7cb81a8aebd6382d64d75f92c05e56d325bf0a41a6d0895fcd2ee3543797ac1e", "listing_evidence_generated_at": "2026-10-19T05:53:54+00:00", "listing_evidence_date_scope": "as_of is the edition capture/reconciliation date; generated_at is the source projection generation time. Individual laboratory and verification dates remain unchanged." }, "comparison_edition": { "version": "2026-10-18-v1", "median_change_pct": 0, "mean_change_pct": -1.360757678414308, "middle_pair": [ 0, 0 ], "note": "The prior edition\u2019s zero median is the average of its two middle sorted returns, both exactly zero; it is not the arithmetic mean." }, "archive_path": "/peptide-market-report/2026-10", "current_market_prices": { "as_of": "2026-10-21", "scope": "Frozen public catalog captured October 21, 2026; one lowest eligible normalized offer per distinct vendor, after the established index outlier fence. Individual checks retain their actual dates.", "compounds": [ { "key": "ghk-cu", "displayName": "GHK-Cu", "canonicalName": "GHK-Cu (Copper Peptide)", "route": "/peptides/ghk-cu-copper-peptide", "uniqueVendorCount": 250, "observationCount": 250, "medianPricePerMg": 0.5652999999999999, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "mots-c", "displayName": "MOTS-c", "canonicalName": "MOTS-c", "route": "/peptides/mots-c", "uniqueVendorCount": 247, "observationCount": 247, "medianPricePerMg": 3.5, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "retatrutide", "displayName": "GLP-3R", "canonicalName": "Retatrutide", "route": "/peptides/retatrutide", "uniqueVendorCount": 245, "observationCount": 245, "medianPricePerMg": 5.213333333333334, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "bpc-157", "displayName": "BPC-157", "canonicalName": "BPC-157", "route": "/peptides/bpc-157", "uniqueVendorCount": 237, "observationCount": 237, "medianPricePerMg": 4.9, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "tesamorelin", "displayName": "Tesamorelin", "canonicalName": "Tesamorelin", "route": "/peptides/tesamorelin", "uniqueVendorCount": 232, "observationCount": 232, "medianPricePerMg": 7, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "nad-plus", "displayName": "NAD+", "canonicalName": "NAD+", "route": "/peptides/nad", "uniqueVendorCount": 218, "observationCount": 218, "medianPricePerMg": 0.10998000000000001, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "tirzepatide", "displayName": "GLP-2T", "canonicalName": "Tirzepatide", "route": "/peptides/tirzepatide", "uniqueVendorCount": 204, "observationCount": 204, "medianPricePerMg": 3.4715833333333332, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "semax", "displayName": "Semax", "canonicalName": "Semax", "route": "/peptides/semax", "uniqueVendorCount": 202, "observationCount": 202, "medianPricePerMg": 3.9995000000000003, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "klow-protocol", "displayName": "KLOW Protocol", "canonicalName": "KLOW Protocol", "route": "/peptides/klow-protocol", "uniqueVendorCount": 199, "observationCount": 199, "medianPricePerMg": 1.3748749999999998, "latestCheck": "2026-10-21", "sufficientlyCovered": true }, { "key": "tb-500", "displayName": "TB-500", "canonicalName": "TB-500 (Thymosin Beta-4)", "route": "/peptides/tb-500-thymosin-beta-4", "uniqueVendorCount": 198, "observationCount": 198, "medianPricePerMg": 5.9990000000000006, "latestCheck": "2026-10-21", "sufficientlyCovered": true } ] }, "listing_change_analysis": { "status": "omitted_pending_raw_identity_export", "window": { "from": "2026-09-21", "through": "2026-10-21" }, "reason": "The frozen public captures contain compound/day aggregates and current listings, without the repeated listing identities across dates required to measure repricing or later reversion. No transition or sale/reversion statistic was inferred from changing medians.", "required_fields": [ "vendor_id", "peptide_id", "product_url", "quantity_mg", "price", "stock_available", "date_checked", "created_at", "snapshot_id" ], "required_capture": "A bounded read-only export of the selected cohort from vendor_stock_snapshots for September 21\u2013October 21, 2026, retaining URL variant parameters and enough repeated daily observations to identify changes and later reversion." }, "findings": { "panels": [ { "key": "purity", "label": "Purity", "count": 9377, "pct": 89.24526506138764 }, { "key": "content", "label": "Content", "count": 9102, "pct": 86.62796231084039 }, { "key": "identity", "label": "Identity", "count": 7375, "pct": 70.19130103740363 }, { "key": "endotoxin", "label": "Endotoxin", "count": 3936, "pct": 37.460740458741796 }, { "key": "heavy_metals", "label": "Heavy metals", "count": 2068, "pct": 19.682116684115353 }, { "key": "fentanyl", "label": "Fentanyl screen", "count": 1102, "pct": 10.488245931283906 }, { "key": "microbial", "label": "Microbial testing", "count": 1522, "pct": 14.48558104121062 }, { "key": "sterility", "label": "Sterility", "count": 1040, "pct": 9.898163129342343 } ], "displayPanels": [ { "key": "purity", "label": "Purity", "count": 9377, "pct": 89.24526506138764 }, { "key": "content", "label": "Content", "count": 9102, "pct": 86.62796231084039 }, { "key": "identity", "label": "Identity", "count": 7375, "pct": 70.19130103740363 }, { "key": "endotoxin", "label": "Endotoxin", "count": 3936, "pct": 37.460740458741796 }, { "key": "microbial_or_sterility", "label": "Microbial / sterility", "count": 2453, "pct": 23.346340534881506 }, { "key": "heavy_metals", "label": "Heavy metals", "count": 2068, "pct": 19.682116684115353 }, { "key": "fentanyl", "label": "Fentanyl screen", "count": 1102, "pct": 10.488245931283906 } ], "microbialAndSterility": 109, "standardThree": { "count": 7038, "pct": 66.98391548491482 }, "listingGrowth": { "minPct": 14.28571428571428, "maxPct": 100, "startListings": 2639, "endListings": 3686, "growthPct": 39.6741189844638 } }, "doi": "10.5281/zenodo.23548874" }