{"id":"2026-10","title":"October 2026","status":"final","generatedAt":"2026-10-31T00:00:00.000Z","dataThrough":"2026-10-31","index":{"value":119.39,"change7dPercent":0.39,"change28dPercent":-0.28,"changeSinceStartPercent":19.39,"baselineDate":"2026-06-03","comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},"coverage":{"trackedPeptideCount":90,"canonicalFirstSnapshotAt":"2026-06-02","canonicalLastSnapshotAt":"2026-10-31","canonicalSnapshotCount":145,"currentComparablePeptideCount":73,"fixedCohortPeptideCount":24,"currentVendorObservations":2795,"currentOfferObservations":4302},"breadth28d":{"down":23,"flat":38,"up":12,"comparablePeptideCount":73},"biggestDrops":[{"peptideSlug":"gonadorelin","peptideLabel":"Gonadorelin","currentMedianEffectivePerMg":7.1825,"currentLowEffectivePerMg":6.1809,"vendorCount":6,"offerCount":7,"change7dPercent":0,"change28dPercent":-22.07,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"vilon","peptideLabel":"Vilon","currentMedianEffectivePerMg":2.1873,"currentLowEffectivePerMg":1.89,"vendorCount":9,"offerCount":12,"change7dPercent":-11.62,"change28dPercent":-11.62,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"slu-pp-332","peptideLabel":"SLU-PP-332","currentMedianEffectivePerMg":9.5495,"currentLowEffectivePerMg":4.7992,"vendorCount":13,"offerCount":14,"change7dPercent":0,"change28dPercent":-8.22,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"5-amino-1mq","peptideLabel":"5-Amino-1MQ","currentMedianEffectivePerMg":2.04,"currentLowEffectivePerMg":0.68,"vendorCount":63,"offerCount":94,"change7dPercent":-6.98,"change28dPercent":-7.12,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"ghrp-6","peptideLabel":"GHRP-6","currentMedianEffectivePerMg":3.591,"currentLowEffectivePerMg":0.54,"vendorCount":18,"offerCount":23,"change7dPercent":0,"change28dPercent":-5.5,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"ss-31","peptideLabel":"SS-31","currentMedianEffectivePerMg":3.7499,"currentLowEffectivePerMg":0.963,"vendorCount":64,"offerCount":120,"change7dPercent":-3.85,"change28dPercent":-4.34,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"pinealon","peptideLabel":"Pinealon","currentMedianEffectivePerMg":3.505,"currentLowEffectivePerMg":0.738,"vendorCount":47,"offerCount":64,"change7dPercent":0.14,"change28dPercent":-3.44,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"thymagen","peptideLabel":"Thymagen","currentMedianEffectivePerMg":2.655,"currentLowEffectivePerMg":1.7996,"vendorCount":5,"offerCount":5,"change7dPercent":-3.44,"change28dPercent":-3.44,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"}],"biggestIncreases":[{"peptideSlug":"hexarelin","peptideLabel":"Hexarelin","currentMedianEffectivePerMg":8.499,"currentLowEffectivePerMg":1.926,"vendorCount":17,"offerCount":22,"change7dPercent":6.24,"change28dPercent":6.24,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"mazdutide","peptideLabel":"Mazdutide","currentMedianEffectivePerMg":8.91,"currentLowEffectivePerMg":4.7244,"vendorCount":10,"offerCount":13,"change7dPercent":0,"change28dPercent":5.88,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"peg-mgf","peptideLabel":"PEG-MGF","currentMedianEffectivePerMg":19.5,"currentLowEffectivePerMg":10,"vendorCount":11,"offerCount":11,"change7dPercent":1.56,"change28dPercent":5.69,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"retatrutide","peptideLabel":"Retatrutide","currentMedianEffectivePerMg":5.9998,"currentLowEffectivePerMg":1.2,"vendorCount":17,"offerCount":89,"change7dPercent":5.89,"change28dPercent":2.23,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"glutathione","peptideLabel":"Glutathione","currentMedianEffectivePerMg":0.052,"currentLowEffectivePerMg":0.0187,"vendorCount":73,"offerCount":99,"change7dPercent":0,"change28dPercent":1.96,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"cagrilintide","peptideLabel":"Cagrilintide","currentMedianEffectivePerMg":8.685,"currentLowEffectivePerMg":1.854,"vendorCount":64,"offerCount":98,"change7dPercent":2.18,"change28dPercent":1.58,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"thymosin-alpha-1","peptideLabel":"Thymosin Alpha-1","currentMedianEffectivePerMg":6.5584,"currentLowEffectivePerMg":1.827,"vendorCount":76,"offerCount":103,"change7dPercent":1.22,"change28dPercent":1.22,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"mgf","peptideLabel":"MGF","currentMedianEffectivePerMg":13.35,"currentLowEffectivePerMg":2.115,"vendorCount":6,"offerCount":6,"change7dPercent":1.14,"change28dPercent":1.14,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"}],"newMedianLows":[],"mostCompetitive":[{"peptideSlug":"bpc-157","peptideLabel":"BPC-157","currentMedianEffectivePerMg":4.9,"currentLowEffectivePerMg":0.747,"vendorCount":118,"offerCount":232,"change7dPercent":0,"change28dPercent":0,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"ghk-cu","peptideLabel":"GHK-Cu","currentMedianEffectivePerMg":0.5994,"currentLowEffectivePerMg":0.1375,"vendorCount":116,"offerCount":239,"change7dPercent":-0.07,"change28dPercent":-0.08,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"mots-c","peptideLabel":"MOTS-c","currentMedianEffectivePerMg":3.7,"currentLowEffectivePerMg":0.747,"vendorCount":115,"offerCount":257,"change7dPercent":-1.33,"change28dPercent":-0.67,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"tesamorelin","peptideLabel":"Tesamorelin","currentMedianEffectivePerMg":6.35,"currentLowEffectivePerMg":2.034,"vendorCount":105,"offerCount":198,"change7dPercent":-0.16,"change28dPercent":-2.78,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"ipamorelin","peptideLabel":"Ipamorelin","currentMedianEffectivePerMg":5.355,"currentLowEffectivePerMg":0.792,"vendorCount":102,"offerCount":147,"change7dPercent":-2.62,"change28dPercent":-0.8,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"nad-plus","peptideLabel":"NAD+","currentMedianEffectivePerMg":0.11,"currentLowEffectivePerMg":0.045,"vendorCount":99,"offerCount":186,"change7dPercent":0,"change28dPercent":0,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"semax","peptideLabel":"Semax","currentMedianEffectivePerMg":3.999,"currentLowEffectivePerMg":0.24,"vendorCount":99,"offerCount":139,"change7dPercent":0,"change28dPercent":0.53,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"kpv","peptideLabel":"KPV","currentMedianEffectivePerMg":4.4498,"currentLowEffectivePerMg":0.747,"vendorCount":99,"offerCount":124,"change7dPercent":0.09,"change28dPercent":-0.67,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"selank","peptideLabel":"Selank","currentMedianEffectivePerMg":4.3365,"currentLowEffectivePerMg":0.819,"vendorCount":96,"offerCount":126,"change7dPercent":-0.86,"change28dPercent":0.87,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"pt-141","peptideLabel":"PT-141","currentMedianEffectivePerMg":4,"currentLowEffectivePerMg":0.747,"vendorCount":96,"offerCount":117,"change7dPercent":0,"change28dPercent":0,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"tb-500","peptideLabel":"TB-500","currentMedianEffectivePerMg":6.24,"currentLowEffectivePerMg":1.71,"vendorCount":95,"offerCount":157,"change7dPercent":-0.08,"change28dPercent":-0.16,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"},{"peptideSlug":"dsip","peptideLabel":"DSIP","currentMedianEffectivePerMg":5.3995,"currentLowEffectivePerMg":0.864,"vendorCount":95,"offerCount":130,"change7dPercent":0.01,"change28dPercent":0.01,"comparison7dDate":"2026-10-23","comparison28dDate":"2026-10-03"}],"methodology":{"priceBasis":"Median effective USD per milligram across exact-comparability offers, using the discount rules recorded with each pricing snapshot.","indexConstruction":"Equal-weighted fixed cohort. Each eligible peptide is normalized to 100 at its first observation; daily index values average available normalized medians and require at least 70% cohort coverage.","cohort":"Peptides need at least 45 daily observations, coverage during the first seven days, at least two vendors at the baseline, a current observation, and at least three current vendors.","movers":"Seven- and 28-day changes compare current median effective price per milligram with the latest observation at or before the target date that also has at least three vendors, allowing a maximum two-day gap.","limitations":"This is a tracked-listing index, not a transaction-price index. Vendor mix, availability, quantities, discounts, and catalog coverage can change over time."},"cohort":{"id":"pbppi-v1-2026-08-06","fixedAt":"2026-08-06T00:00:00.000Z","memberCount":24,"minimumDailyCoverage":17}}