{"_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-31FEB01","as_of":"2026-11-04T01:39:33.658101Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"US headline CPI inflation in December 2030\" — 13 markets; highest \"Above 3.5%\" at 95% as of 2026-11-03 UTC. https://pdata.world/events/kalshi/KXUSCPIYEAR-31FEB01","source_url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2030/kxuscpiyear-31feb01"},"source":"kalshi","id":"KXUSCPIYEAR-31FEB01","ticker":"KXUSCPIYEAR-31FEB01","slug":"KXUSCPIYEAR-31FEB01","title":"US headline CPI inflation in December 2030","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-29T23:00:00Z","end_date":"2031-02-08T06:30:00Z","closed_time":null,"volume":3949.5499999999997,"volume_24hr":156.0,"volume_24h_change":null,"normalized_vol_24hr":7.596199035644531,"normalized_volume":18.27587890625,"liquidity":null,"open_interest":1519.06,"categories":["Economy"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 3.5%","top_outcome_probability":0.95,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-11-03T18:55:25.802252Z","fetched_at":"2026-11-03T18:55:25.802252Z","added_at":"2026-07-29T23:05:54.790553Z","url":"https://kalshi.com/markets/kxuscpiyear/us-headline-cpi-inflation-in-december-2030/kxuscpiyear-31feb01","chart_24h":null,"kind":"live","mutually_exclusive":false,"markets_total":13,"markets":[{"source":"kalshi","id":"KXUSCPIYEAR-31FEB01-T4.5","event_id":"KXUSCPIYEAR-31FEB01","slug":"KXUSCPIYEAR-31FEB01-T4.5","question":"Will the 12-month percentage change in CPI-U in December 2030 be above 4.5%?","group_item_title":"Above 4.5%","description":"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2030 is above 4.5%, then the market resolves to Yes.\n\n---\n\nThe initially reported value for December 2030 will be used. 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