{"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":["Science and Technology"],"category":"Science and Technology","contract_terms_url":"https://assets.kalshi.com/contract_terms/MODELRELEASEDATE.pdf","contract_url":"https://assets.kalshi.com/regulatory/product-certifications/MODELRELEASEDATE.pdf","exchange_index":0,"fee_multiplier":1,"fee_type":"quadratic","frequency":"one_off","last_updated_ts":"2026-08-10T23:43:16.915182Z","settlement_sources":[{"name":"Anthropic","url":"https://www.anthropic.com/"}],"tags":["AI"],"ticker":"KXCLAUDE","title":"Claude Model Release"}}