{"series":{"additional_prohibitions":["Persons who are employed by any of the Source Agencies are not permitted to trade on the Contract.","Persons who hold any material, non-public information on the Underlying are not permitted to trade on the Contract."],"categories":["Commodities"],"category":"Commodities","contract_terms_url":"https://assets.kalshi.com/contract_terms/COMMODITIES.pdf","contract_url":"https://assets.kalshi.com/regulatory/product-certifications/COMMODITIES.pdf","exchange_index":2,"fee_multiplier":1,"fee_type":"quadratic","frequency":"fifteen_min","last_updated_ts":"2026-10-29T20:10:20.31823Z","product_metadata":{"scope":"Silver"},"settlement_sources":[{"name":"Pyth - Silver","url":"https://app.pyth.com/explore/Metal.Index.SILVER%2FUSD?returnUrl=%2Fexplore%3Fstate%3Dstable"}],"tags":["Metals","Precious Metals","Silver","15 min"],"ticker":"KXSILVER15M","title":"Silver 15-minute"}}