{"event":{"category":"Science and Technology","collateral_return_type":"MECNET","event_ticker":"KXTOPMODEL-26OCT31","exchange_index":0,"last_updated_ts":"0001-01-01T00:00:00Z","mutually_exclusive":true,"series_ticker":"KXTOPMODEL","settlement_sources":[{"name":"LM Arena Leaderboard (Remove Style Control)","url":"https://arena.ai/leaderboard/text/overall-no-style-control"}],"strike_period":"","sub_title":"On Oct 31, 2026","title":"Top AI model this month"},"markets":[{"can_close_early":true,"close_time":"2026-10-31T14:00:00Z","created_time":"2026-09-30T15:59:23.766126Z","custom_strike":{"Model":"claude-opus-5.5-high"},"event_ticker":"KXTOPMODEL-26OCT31","exchange_index":0,"expected_expiration_time":"2026-10-31T14:00:00Z","expiration_time":"2026-10-31T14:00:00Z","expiration_value":"No","last_price_dollars":"0.0100","latest_expiration_time":"2026-10-31T14:00:00Z","market_type":"binary","no_ask_dollars":"1.0000","no_bid_dollars":"0.0000","no_sub_title":"claude-opus-5.5-high","notional_value_dollars":"1.0000","occurrence_datetime":"2026-10-31T14:00:00Z","open_interest_fp":"30398.64","open_time":"2026-09-30T17:30:00Z","previous_price_dollars":"0.0100","previous_yes_ask_dollars":"1.0000","previous_yes_bid_dollars":"0.0000","price_level_structure":"linear_cent","price_ranges":[{"end":"1.0000","start":"0.0000","step":"0.0100"}],"result":"no","rules_primary":"If claude-opus-5.5-high is the top-ranked AI model on Oct 31, 2026 at 10:00 AM ET, then the market resolves to Yes.","rules_secondary":"If two models are tied under Rank (UB), then the model with the highest Arena Score will win. If two models are still tied after that, then the model with the most votes will win. If two models are still tied after that, the model that was released earlier will win. Important information: When checking the source for this market, check the 'Remove Style Control' toggle.","settlement_bounds_type":"default","settlement_timer_seconds":1800,"settlement_ts":"2026-10-31T16:31:23.495435Z","settlement_value_dollars":"0.0000","status":"finalized","strike_type":"custom","ticker":"KXTOPMODEL-26OCT31-CLAU55","title":"What will be the top AI model on Oct 31, 2026?","updated_time":"2026-10-31T16:31:23.909553Z","volume_24h_fp":"0.00","volume_fp":"36228.04","yes_ask_dollars":"1.0000","yes_ask_size_fp":"0.00","yes_bid_dollars":"0.0000","yes_bid_size_fp":"0.00","yes_sub_title":"claude-opus-5.5-high"},{"can_close_early":true,"close_time":"2026-10-31T14:00:00Z","created_time":"2026-09-30T15:59:23.766126Z","custom_strike":{"Model":"claude-fable-5.1-max"},"event_ticker":"KXTOPMODEL-26OCT31","exchange_index":0,"expected_expiration_time":"2026-10-31T14:00:00Z","expiration_time":"2026-10-31T14:00:00Z","expiration_value":"No","last_price_dollars":"0.0100","latest_expiration_time":"2026-10-31T14:00:00Z","market_type":"binary","no_ask_dollars":"1.0000","no_bid_dollars":"0.0000","no_sub_title":"claude-fable-5.1-max","notional_value_dollars":"1.0000","occurrence_datetime":"2026-10-31T14:00:00Z","open_interest_fp":"27136.32","open_time":"2026-09-30T17:30:00Z","previous_price_dollars":"0.0100","previous_yes_ask_dollars":"1.0000","previous_yes_bid_dollars":"0.0000","price_level_structure":"linear_cent","price_ranges":[{"end":"1.0000","start":"0.0000","step":"0.0100"}],"result":"no","rules_primary":"If claude-fable-5.1-max is the top-ranked AI model on Oct 31, 2026 at 10:00 AM ET, then the market resolves to Yes.","rules_secondary":"If two models are tied under Rank (UB), then the model with the highest Arena Score will win. If two models are still tied after that, then the model with the most votes will win. If two models are still tied after that, the model that was released earlier will win. Important information: When checking the source for this market, check the 'Remove Style Control' toggle.","settlement_bounds_type":"default","settlement_timer_seconds":1800,"settlement_ts":"2026-10-31T16:31:23.495435Z","settlement_value_dollars":"0.0000","status":"finalized","strike_type":"custom","ticker":"KXTOPMODEL-26OCT31-CLAUM","title":"What will be the top AI model on Oct 31, 2026?","updated_time":"2026-10-31T16:31:23.909553Z","volume_24h_fp":"0.00","volume_fp":"40657.83","yes_ask_dollars":"1.0000","yes_ask_size_fp":"0.00","yes_bid_dollars":"0.0000","yes_bid_size_fp":"0.00","yes_sub_title":"claude-fable-5.1-max"},{"can_close_early":true,"close_time":"2026-10-31T14:00:00Z","created_time":"2026-09-30T20:32:41.402483Z","custom_strike":{"Model":"gemini-4-argon-high"},"event_ticker":"KXTOPMODEL-26OCT31","exchange_index":0,"expected_expiration_time":"2026-10-31T14:00:00Z","expiration_time":"2026-10-31T14:00:00Z","expiration_value":"No","last_price_dollars":"0.6200","latest_expiration_time":"2026-10-31T14:00:00Z","market_type":"binary","no_ask_dollars":"1.0000","no_bid_dollars":"0.0000","no_sub_title":"gemini-4-argon-high","notional_value_dollars":"1.0000","occurrence_datetime":"2026-10-31T14:00:00Z","open_interest_fp":"10872.88","open_time":"2026-09-30T20:45:00Z","previous_price_dollars":"0.6200","previous_yes_ask_dollars":"1.0000","previous_yes_bid_dollars":"0.0000","price_level_structure":"linear_cent","price_ranges":[{"end":"1.0000","start":"0.0000","step":"0.0100"}],"result":"no","rules_primary":"If gemini-4-argon-high is the top-ranked AI model on Oct 31, 2026 at 10:00 AM ET, then the market resolves to Yes.","rules_secondary":"If two models are tied under Rank (UB), then the model with the highest Arena Score will win. If two models are still tied after that, then the model with the most votes will win. If two models are still tied after that, the model that was released earlier will win. Important information: When checking the source for this market, check the 'Remove Style Control' toggle.","settlement_bounds_type":"default","settlement_timer_seconds":1800,"settlement_ts":"2026-10-31T16:31:23.495435Z","settlement_value_dollars":"0.0000","status":"finalized","strike_type":"custom","ticker":"KXTOPMODEL-26OCT31-GEMI","title":"What will be the top AI model on Oct 31, 2026?","updated_time":"2026-10-31T16:31:23.909553Z","volume_24h_fp":"0.00","volume_fp":"19981.29","yes_ask_dollars":"1.0000","yes_ask_size_fp":"0.00","yes_bid_dollars":"0.0000","yes_bid_size_fp":"0.00","yes_sub_title":"gemini-4-argon-high"}]}