{"source":"kalshi","id":"KXUSCPIYEAR-29FEB01","ticker":"KXUSCPIYEAR-29FEB01","slug":"KXUSCPIYEAR-29FEB01","title":"US headline CPI inflation in December 2028","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2029-02-08T06:30:00Z","closed_time":null,"volume":312.2,"volume_24hr":248.0,"volume_24h_change":null,"normalized_vol_24hr":10.241482734680176,"normalized_volume":8.916091918945312,"liquidity":null,"open_interest":143.05,"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":0.95,"top_outcome_prob_24h_change":0.010000000000000009,"top_outcome_volume_24h_change":64.99000000000001,"updated_at":"2026-07-31T05:01:30.953421Z","fetched_at":"2026-07-31T05:01:30.953421Z","added_at":"2026-07-29T23:05:54.790553Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2028/kxuscpiyear-29feb01","chart_24h":[114.2,139.2,147.2,194.2,214.20000000000002,214.20000000000002,254.20000000000002,255.20000000000002,276.2,276.2,310.2,302.02,281.0,269.0,270.0,256.0,252.0,251.0,248.0],"markets":[{"source":"kalshi","id":"KXUSCPIYEAR-29FEB01-T0.0","event_id":"KXUSCPIYEAR-29FEB01","slug":"KXUSCPIYEAR-29FEB01-T0.0","question":"Will the 12-month percentage change in CPI-U in December 2028 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 2028 is above 0.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2028 will be used. 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This market concerns the 12-month percentage change for December 2028, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.14,0.86],"probability":0.14,"spread":0.009999999999999981,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2029-02-08T06:30:00Z","closed_time":"2029-02-01T04:59:00Z","volume":6.05,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":-6.05,"normalized_vol_24hr":null,"normalized_volume":1.1873975992202759,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-07-31T02:39:24.377492Z","fetched_at":"2026-07-31T02:37:00.841838Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2028/kxuscpiyear-29feb01","event_title":"US headline CPI inflation in December 2028","chart_24h":[0.14,0.14,0.14,0.14,0.14,0.14,0.14,0.14]},{"source":"kalshi","id":"KXUSCPIYEAR-29FEB01-T5.5","event_id":"KXUSCPIYEAR-29FEB01","slug":"KXUSCPIYEAR-29FEB01-T5.5","question":"Will the 12-month percentage change in CPI-U in December 2028 be above 5.5%?","group_item_title":"Above 5.5%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2028 is above 5.5%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2028 will be used. This market concerns the 12-month percentage change for December 2028, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.14,0.86],"probability":0.14,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2029-02-08T06:30:00Z","closed_time":"2029-02-01T04:59:00Z","volume":7.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":-7.0,"normalized_vol_24hr":null,"normalized_volume":1.346086025238037,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-07-31T04:35:59.376454Z","fetched_at":"2026-07-31T04:34:08.829914Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2028/kxuscpiyear-29feb01","event_title":"US headline CPI inflation in December 2028","chart_24h":[0.14,0.14,0.14,0.14,0.14,0.14,0.14,0.14,0.14,0.14]},{"source":"kalshi","id":"KXUSCPIYEAR-29FEB01-T6.0","event_id":"KXUSCPIYEAR-29FEB01","slug":"KXUSCPIYEAR-29FEB01-T6.0","question":"Will the 12-month percentage change in CPI-U in December 2028 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 2028 is above 6.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2028 will be used. This market concerns the 12-month percentage change for December 2028, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.05,0.95],"probability":0.05,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2029-02-08T06:30:00Z","closed_time":"2029-02-01T04:59:00Z","volume":4.01,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":-4.01,"normalized_vol_24hr":null,"normalized_volume":0.8083612322807312,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-07-31T02:07:37.795149Z","fetched_at":"2026-07-31T02:03:38.443518Z","added_at":"2026-07-29T23:05:54.969841Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2028/kxuscpiyear-29feb01","event_title":"US headline CPI inflation in December 2028","chart_24h":[0.05,0.05,0.05,0.05,0.05,0.05]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXUSCPIYEAR-29FEB01","as_of":"2026-07-31T05:48:50.677958Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"US headline CPI inflation in December 2028\" — top market at 95% probability across 13 outcomes","source_url":null}}