{"_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-28FEB01","as_of":"2026-11-09T20:04:32.244000Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"US headline CPI inflation in December 2027\" — 13 markets; highest \"Above 1.5%\" at 94% as of 2026-11-09 UTC. https://pdata.world/events/kalshi/KXUSCPIYEAR-28FEB01","source_url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2027/kxuscpiyear-28feb01"},"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":71244.48,"volume_24hr":876.14,"volume_24h_change":null,"normalized_vol_24hr":13.204764366149902,"normalized_volume":32.9838752746582,"liquidity":null,"open_interest":15528.81,"categories":["Economy"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 1.5%","top_outcome_probability":0.94,"top_outcome_prob_24h_change":null,"top_outcome_volume_24h_change":null,"updated_at":"2026-11-09T19:53:28.920290Z","fetched_at":"2026-11-09T19:53:28.920290Z","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":[883.81,885.38,957.4,1177.1,1234.3,1238.36,1278.73,896.3199999999999,892.3199999999999,852.02,838.75,845.14,922.5,913.99,913.99,954.12,991.66,994.7099999999999,936.71,937.9,909.14],"kind":"live","mutually_exclusive":false,"markets_total":13,"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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