{"source":"kalshi","id":"KXUSCPIYEAR-28FEB01","ticker":"KXUSCPIYEAR-28FEB01","slug":"KXUSCPIYEAR-28FEB01","title":"US headline CPI inflation in December 2027","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2028-02-08T06:30:00Z","closed_time":null,"volume":1186.09,"volume_24hr":829.0,"volume_24h_change":null,"normalized_vol_24hr":15.146834373474121,"normalized_volume":13.52981185913086,"liquidity":null,"open_interest":384.99,"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":0.04999999999999993,"top_outcome_volume_24h_change":-20.009999999999998,"updated_at":"2026-07-31T04:47:34.320618Z","fetched_at":"2026-07-31T04:47:34.320618Z","added_at":"2026-07-29T23:05:59.589511Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2027/kxuscpiyear-28feb01","chart_24h":[357.09000000000003,422.09000000000003,458.09000000000003,472.09000000000003,490.09000000000003,491.09000000000003,657.09,709.09,755.09,794.09,799.09,799.09,826.09,873.0,831.0,935.0,1072.0,1099.0,886.0,879.0,878.0],"markets":[{"source":"kalshi","id":"KXUSCPIYEAR-28FEB01-T0.0","event_id":"KXUSCPIYEAR-28FEB01","slug":"KXUSCPIYEAR-28FEB01-T0.0","question":"Will the 12-month percentage change in CPI-U in December 2027 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 2027 is above 0.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2027 will be used. 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This market concerns the 12-month percentage change for December 2027, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.09,0.91],"probability":0.09,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2028-02-08T06:30:00Z","closed_time":"2028-02-01T04:59:00Z","volume":128.0,"volume_24hr":59.0,"prob_24h_change":0.06,"volume_24h_change":-10.0,"normalized_vol_24hr":6.687130451202393,"normalized_volume":7.352218151092529,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-07-31T04:35:59.376454Z","fetched_at":"2026-07-31T04:34:11.370354Z","added_at":"2026-07-29T23:05:59.748206Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2027/kxuscpiyear-28feb01","event_title":"US headline CPI inflation in December 2027","chart_24h":[0.03,0.04,0.04,0.08,0.08,0.08,0.08,0.16,0.16,0.16,0.07,0.07,0.07,0.07,0.07,0.07,0.07,0.07,0.07,0.07,0.09,0.09,0.09,0.09,0.09]},{"source":"kalshi","id":"KXUSCPIYEAR-28FEB01-T5.5","event_id":"KXUSCPIYEAR-28FEB01","slug":"KXUSCPIYEAR-28FEB01-T5.5","question":"Will the 12-month percentage change in CPI-U in December 2027 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 2027 is above 5.5%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for December 2027, 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":0.020000000000000004,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2028-02-08T06:30:00Z","closed_time":"2028-02-01T04:59:00Z","volume":120.0,"volume_24hr":94.0,"prob_24h_change":-0.06000000000000001,"volume_24h_change":68.0,"normalized_vol_24hr":8.272439002990723,"normalized_volume":7.1597819328308105,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-07-31T04:35:59.376454Z","fetched_at":"2026-07-31T04:34:11.370354Z","added_at":"2026-07-29T23:05:59.748206Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2027/kxuscpiyear-28feb01","event_title":"US headline CPI inflation in December 2027","chart_24h":[0.14,0.08,0.08,0.08,0.08,0.08,0.14,0.23,0.23,0.23,0.19,0.18,0.18,0.18,0.18,0.18,0.18,0.18,0.18,0.18,0.18,0.18,0.18,0.18,0.18,0.08,0.08,0.08,0.08,0.08]},{"source":"kalshi","id":"KXUSCPIYEAR-28FEB01-T3.0","event_id":"KXUSCPIYEAR-28FEB01","slug":"KXUSCPIYEAR-28FEB01-T3.0","question":"Will the 12-month percentage change in CPI-U in December 2027 be above 3.0%?","group_item_title":"Above 3.0%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above 3.0%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for December 2027, not the annual-average percentage change for the specified year.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.35,0.65],"probability":0.35,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2028-02-08T06:30:00Z","closed_time":"2028-02-01T04:59:00Z","volume":12.01,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":-12.01,"normalized_vol_24hr":null,"normalized_volume":2.0492613315582275,"liquidity":null,"categories":["Economy"],"countries":["United States"],"updated_at":"2026-07-31T01:50:52.825449Z","fetched_at":"2026-07-31T01:45:22.057139Z","added_at":"2026-07-29T23:05:59.748206Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2027/kxuscpiyear-28feb01","event_title":"US headline CPI inflation in December 2027","chart_24h":[0.35,0.35,0.35,0.35,0.35,0.35,0.35]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXUSCPIYEAR-28FEB01","as_of":"2026-07-31T04:53:29.271356Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"US headline CPI inflation in December 2027\" — top market at 68% probability across 13 outcomes","source_url":null}}