{"_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/KXUSCPIYEAR-30FEB01","as_of":"2026-11-09T20:24:34.877398Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"US headline CPI inflation in December 2029\" — 13 markets; highest \"Above 0.0%\" at 85% as of 2026-10-27 UTC. https://pdata.world/events/kalshi/KXUSCPIYEAR-30FEB01","source_url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2029/kxuscpiyear-30feb01"},"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":19772.29,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":25.850505828857422,"liquidity":null,"open_interest":4054.04,"categories":["Economy"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 0.0%","top_outcome_probability":0.85,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-10-27T16:04:26.792621Z","fetched_at":"2026-10-27T16:04:26.792621Z","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","mutually_exclusive":false,"markets_total":13,"markets":[{"source":"kalshi","id":"KXUSCPIYEAR-30FEB01-T0.0","event_id":"KXUSCPIYEAR-30FEB01","slug":"KXUSCPIYEAR-30FEB01-T0.0","question":"Will the 12-month percentage change in CPI-U in December 2029 be above 0.0%?","group_item_title":"Above 0.0%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2029 is above 0.0%, 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":[0.15,0.85],"probability":0.15,"spread":0.17,"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","result":null,"volume":177.25,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":7.537380218505859,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-11-09T20:22:26.149970Z","fetched_at":"2026-11-09T20:22:26.149970Z","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":[0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15]},{"source":"kalshi","id":"KXUSCPIYEAR-30FEB01-T6.0","event_id":"KXUSCPIYEAR-30FEB01","slug":"KXUSCPIYEAR-30FEB01-T6.0","question":"Will the 12-month percentage change in CPI-U in December 2029 be above 6.0%?","group_item_title":"Above 6.0%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2029 is above 6.0%, 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":[0.1,0.9],"probability":0.1,"spread":0.18,"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","result":null,"volume":926.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":13.095331192016602,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-11-09T20:22:26.149970Z","fetched_at":"2026-11-09T20:22:26.149970Z","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":[0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1]}]}