{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/kalshi/KXRAINONT-27FEB27-27FEB27","as_of":"2026-10-21T19:42:35.535678Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Will it rain in Ontario, California on Feb 27, 2027?\" — 39% as of 2026-10-21 UTC. https://pdata.world/events/kalshi/KXRAINONT-27FEB27-27FEB27","source_url":"https://kalshi.com/markets/kxrainont/will-it-rain-in-ontario-california-on-feb-27-2027/kxrainont-27feb27-27feb27"},"source":"kalshi","id":"KXRAINONT-27FEB27-27FEB27","ticker":"KXRAINONT-27FEB27-27FEB27","slug":"KXRAINONT-27FEB27-27FEB27","title":"Will it rain in Ontario, California on Feb 27, 2027?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-10-08T22:45:00Z","end_date":"2027-03-06T15:00:00Z","closed_time":null,"volume":16718.45,"volume_24hr":16709.3,"volume_24h_change":null,"normalized_vol_24hr":30.866880416870117,"normalized_volume":25.349044799804688,"liquidity":null,"open_interest":7215.45,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":"27FEB27-27FEB27","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Yes","top_outcome_probability":0.39,"top_outcome_prob_24h_change":-0.6,"top_outcome_volume_24h_change":16709.3,"updated_at":"2026-10-21T18:35:37.401348Z","fetched_at":"2026-10-21T18:35:37.401348Z","added_at":"2026-10-08T22:54:50.608640Z","url":"https://kalshi.com/markets/kxrainont/will-it-rain-in-ontario-california-on-feb-27-2027/kxrainont-27feb27-27feb27","chart_24h":[8.97,8.97,16445.97,16655.56,16668.24,16709.3],"kind":"live","mutually_exclusive":false,"markets_total":1,"markets":[{"source":"kalshi","id":"KXRAINONT-27FEB27-27FEB27-T0","event_id":"KXRAINONT-27FEB27-27FEB27","slug":"KXRAINONT-27FEB27-27FEB27-T0","question":"Will it rain in Ontario, California on Feb 27, 2027?","group_item_title":"Yes","description":"If the total precipitation at Ontario International Airport (KONT) in Ontario, California in the Feb 27, 2027 reporting day is strictly greater than 0 inches, then the market resolves to Yes.\n\n---\n\nThis daily market uses The Weather Company's precipitation total for Ontario International Airport (KONT), California, for the reporting day dated February 27, 2027. Data is available at https://weather.com/kalshi under Domestic, Daily Climate, Ontario (ONT). The market resolves Yes if total precipitation is strictly greater than 0.00 inches.\n\nTotal precipitation includes liquid-equivalent rainfall and melted frozen precipitation. Trace amounts and missing daily values count as 0.00 inches, subject to the contract's data-error and contingency provisions. Forecasts do not count. Use the initial non-preliminary reported value, subject to the contract's material-error correction provisions. A Final label alone does not establish that the data is error-free. If no reliable data is available by expiration, the contract's last-fair-price provision applies.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Weather Company. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.39,0.61],"probability":0.39,"spread":0.04999999999999999,"active":true,"closed":false,"start_date":"2026-10-08T22:45:00Z","end_date":"2027-03-06T15:00:00Z","closed_time":"2027-02-28T07:59:00Z","result":null,"volume":16718.45,"volume_24hr":16709.3,"prob_24h_change":-0.6,"volume_24h_change":16709.3,"normalized_vol_24hr":33.94990158081055,"normalized_volume":29.437341690063477,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-10-21T19:33:25.525312Z","fetched_at":"2026-10-21T19:33:25.525312Z","added_at":"2026-10-08T22:54:50.708529Z","url":"https://kalshi.com/markets/kxrainont/will-it-rain-in-ontario-california-on-feb-27-2027/kxrainont-27feb27-27feb27","event_title":"Will it rain in Ontario, California on Feb 27, 2027?","chart_24h":[0.99,0.99,0.99,0.99,0.99,0.54,0.54,0.54,0.54,0.48,0.41,0.39,0.4,0.39,0.39]}]}