{"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":"weekly","last_updated_ts":"2026-10-29T20:10:20.059516Z","product_metadata":{"important_info":{"id":"COMMODITIES-bulk-2026-04-14","markdown":"**Important information:** Starting with markets settling on Friday, September 4, 2026, KXNATGASW will settle using the Pyth Natural Gas 24/7 index (Index.NATGAS/USD) as the source agency, replacing the front-month natural gas futures contract settlement price. Markets settling before September 4 will continue to settle under the front-month contract methodology.","message":"","title":""},"scope":"Natural Gas"},"settlement_sources":[{"name":"Pyth - NATGAS","url":"https://app.pyth.com/explore/Commodities.Index.NATGAS%2FUSD?returnUrl=%2Fexplore%3Fsearch%3Dgas%26state%3Dstable"}],"tags":["Oil & Gas"],"ticker":"KXNATGASW","title":"Natural Gas Weekly"}}