{"source":"kalshi","id":"KXUSCPIYEAR-30FEB01","ticker":"KXUSCPIYEAR-30FEB01","slug":"KXUSCPIYEAR-30FEB01","title":"US headline CPI inflation in December 2029","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2030-02-08T06:30:00Z","closed_time":null,"volume":7644.87,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":21.683486938476562,"liquidity":null,"open_interest":4097.77,"categories":["Economy"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 0.5%","top_outcome_probability":0.93,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-09-13T07:48:34.653605Z","fetched_at":"2026-09-13T07:48:34.653605Z","added_at":"2026-07-29T23:05:54.790553Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2029/kxuscpiyear-30feb01","chart_24h":null,"kind":"live","markets":[{"source":"kalshi","id":"KXUSCPIYEAR-30FEB01-T0.5","event_id":"KXUSCPIYEAR-30FEB01","slug":"KXUSCPIYEAR-30FEB01-T0.5","question":"Will the 12-month percentage change in CPI-U in December 2029 be above 0.5%?","group_item_title":"Above 0.5%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2029 is above 0.5%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2029 will be used. 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This market concerns the 12-month percentage change for December 2029, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.08,0.92],"probability":0.08,"spread":0.11,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2030-02-08T06:30:00Z","closed_time":"2030-02-01T04:59:00Z","volume":1474.01,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":16.572919845581055,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-09-16T10:29:41.479626Z","fetched_at":"2026-09-16T10:29:41.479626Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2029/kxuscpiyear-30feb01","event_title":"US headline CPI inflation in December 2029","chart_24h":[0.08,0.08]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXUSCPIYEAR-30FEB01","as_of":"2026-09-16T14:24:14.548977Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"US headline CPI inflation in December 2029\" — top market at 93% probability across 13 outcomes","source_url":null}}