{"_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-32FEB01","as_of":"2026-11-05T03:10:55.987290Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"US headline CPI inflation in December 2031\" — 13 markets; highest \"Above 0.0%\" at 78% as of 2026-11-02 UTC. https://pdata.world/events/kalshi/KXUSCPIYEAR-32FEB01","source_url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2031/kxuscpiyear-32feb01"},"source":"kalshi","id":"KXUSCPIYEAR-32FEB01","ticker":"KXUSCPIYEAR-32FEB01","slug":"KXUSCPIYEAR-32FEB01","title":"US headline CPI inflation in December 2031","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2032-02-08T06:30:00Z","closed_time":null,"volume":3521.39,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":17.71547508239746,"liquidity":null,"open_interest":790.77,"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":0.78,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-11-02T23:25:04.779509Z","fetched_at":"2026-11-02T23:25:04.779509Z","added_at":"2026-07-29T23:05:54.790553Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2031/kxuscpiyear-32feb01","chart_24h":null,"kind":"live","mutually_exclusive":false,"markets_total":13,"markets":[{"source":"kalshi","id":"KXUSCPIYEAR-32FEB01-T0.0","event_id":"KXUSCPIYEAR-32FEB01","slug":"KXUSCPIYEAR-32FEB01-T0.0","question":"Will the 12-month percentage change in CPI-U in December 2031 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 2031 is above 0.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2031 will be used. 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This market concerns the 12-month percentage change for December 2031, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.72,0.28],"probability":0.72,"spread":0.09000000000000008,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2032-02-08T06:30:00Z","closed_time":"2032-02-01T04:59:00Z","result":null,"volume":78.01,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":5.3567938804626465,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-11-02T20:26:46.546210Z","fetched_at":"2026-11-02T20:26:46.546210Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2031/kxuscpiyear-32feb01","event_title":"US headline CPI inflation in December 2031","chart_24h":null},{"source":"kalshi","id":"KXUSCPIYEAR-32FEB01-T0.5","event_id":"KXUSCPIYEAR-32FEB01","slug":"KXUSCPIYEAR-32FEB01-T0.5","question":"Will the 12-month percentage change in CPI-U in December 2031 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 2031 is above 0.5%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2031 will be used. 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This market concerns the 12-month percentage change for December 2031, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.7,0.30000000000000004],"probability":0.7,"spread":0.09999999999999998,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2032-02-08T06:30:00Z","closed_time":"2032-02-01T04:59:00Z","result":null,"volume":25.01,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":2.978907823562622,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-11-01T23:25:24.518841Z","fetched_at":"2026-11-01T23:25:24.518841Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2031/kxuscpiyear-32feb01","event_title":"US headline CPI inflation in December 2031","chart_24h":null},{"source":"kalshi","id":"KXUSCPIYEAR-32FEB01-T2.0","event_id":"KXUSCPIYEAR-32FEB01","slug":"KXUSCPIYEAR-32FEB01-T2.0","question":"Will the 12-month percentage change in CPI-U in December 2031 be above 2.0%?","group_item_title":"Above 2.0%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2031 is above 2.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2031 will be used. This market concerns the 12-month percentage change for December 2031, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.49,0.51],"probability":0.49,"spread":0.09999999999999998,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2032-02-08T06:30:00Z","closed_time":"2032-02-01T04:59:00Z","result":null,"volume":0.01,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":0.00002777804729703348,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-11-01T23:25:24.518841Z","fetched_at":"2026-11-01T23:25:24.518841Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2031/kxuscpiyear-32feb01","event_title":"US headline CPI inflation in December 2031","chart_24h":null},{"source":"kalshi","id":"KXUSCPIYEAR-32FEB01-T2.5","event_id":"KXUSCPIYEAR-32FEB01","slug":"KXUSCPIYEAR-32FEB01-T2.5","question":"Will the 12-month percentage change in CPI-U in December 2031 be above 2.5%?","group_item_title":"Above 2.5%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2031 is above 2.5%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2031 will be used. 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This market concerns the 12-month percentage change for December 2031, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.28,0.72],"probability":0.28,"spread":0.10000000000000003,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2032-02-08T06:30:00Z","closed_time":"2032-02-01T04:59:00Z","result":null,"volume":666.57,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":11.86698055267334,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-11-02T23:25:04.966627Z","fetched_at":"2026-11-02T23:25:04.966627Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2031/kxuscpiyear-32feb01","event_title":"US headline CPI inflation in December 2031","chart_24h":null},{"source":"kalshi","id":"KXUSCPIYEAR-32FEB01-T5.0","event_id":"KXUSCPIYEAR-32FEB01","slug":"KXUSCPIYEAR-32FEB01-T5.0","question":"Will the 12-month percentage change in CPI-U in December 2031 be above 5.0%?","group_item_title":"Above 5.0%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2031 is above 5.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2031 will be used. This market concerns the 12-month percentage change for December 2031, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.21,0.79],"probability":0.21,"spread":0.1,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2032-02-08T06:30:00Z","closed_time":"2032-02-01T04:59:00Z","result":null,"volume":314.01,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":9.284439086914062,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-11-01T23:25:24.518841Z","fetched_at":"2026-11-01T23:25:24.518841Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2031/kxuscpiyear-32feb01","event_title":"US headline CPI inflation in December 2031","chart_24h":null},{"source":"kalshi","id":"KXUSCPIYEAR-32FEB01-T4.0","event_id":"KXUSCPIYEAR-32FEB01","slug":"KXUSCPIYEAR-32FEB01-T4.0","question":"Will the 12-month percentage change in CPI-U in December 2031 be above 4.0%?","group_item_title":"Above 4.0%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2031 is above 4.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2031 will be used. This market concerns the 12-month percentage change for December 2031, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.2,0.8],"probability":0.2,"spread":0.09999999999999999,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2032-02-08T06:30:00Z","closed_time":"2032-02-01T04:59:00Z","result":null,"volume":719.01,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":12.144550323486328,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-11-02T23:25:04.966627Z","fetched_at":"2026-11-02T23:25:04.966627Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2031/kxuscpiyear-32feb01","event_title":"US headline CPI inflation in December 2031","chart_24h":null},{"source":"kalshi","id":"KXUSCPIYEAR-32FEB01-T6.0","event_id":"KXUSCPIYEAR-32FEB01","slug":"KXUSCPIYEAR-32FEB01-T6.0","question":"Will the 12-month percentage change in CPI-U in December 2031 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 2031 is above 6.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2031 will be used. 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