{"_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/KXINXDUD-26OCT29H1600","as_of":"2026-10-29T14:32:46.514035Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — 21% as of 2026-10-29 UTC. https://pdata.world/events/kalshi/KXINXDUD-26OCT29H1600","source_url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26oct29h1600"},"source":"kalshi","id":"KXINXDUD-26OCT29H1600","ticker":"KXINXDUD-26OCT29H1600","slug":"KXINXDUD-26OCT29H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-10-29T00:00:00Z","end_date":"2026-11-05T23:00:00Z","closed_time":null,"volume":6272.73,"volume_24hr":6220.18,"volume_24h_change":null,"normalized_vol_24hr":25.159530639648438,"normalized_volume":20.453622817993164,"liquidity":null,"open_interest":3168.79,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7744.38","top_outcome_probability":0.21,"top_outcome_prob_24h_change":-0.18000000000000002,"top_outcome_volume_24h_change":6080.18,"updated_at":"2026-10-29T14:26:40.873614Z","fetched_at":"2026-10-29T14:26:40.873614Z","added_at":"2026-10-29T00:17:55.029334Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26oct29h1600","chart_24h":[140.0,307.06,445.83,452.3,456.3,456.3,569.15,613.63,1415.66,1441.98,1494.9,1702.93,2069.7,2079.95,2213.87,2813.18,3488.85,3538.21,3652.73,4259.99],"kind":"live","mutually_exclusive":false,"markets_total":1,"markets":[{"source":"kalshi","id":"KXINXDUD-26OCT29H1600-T7744.38","event_id":"KXINXDUD-26OCT29H1600","slug":"KXINXDUD-26OCT29H1600-T7744.38","question":"Will the S&P 500 be above 7744.38 on Oct 29, 2026 at 4pm EDT?","group_item_title":"Above 7744.38","description":"If the end-of-day price of the S&P 500 on October 29, 2026 is above 7744.38, then the market resolves to Yes.\n\n---\n\nThe target value is the end-of-day/closing price of the prior week's close.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.21,0.79],"probability":0.21,"spread":0.01999999999999999,"active":true,"closed":false,"start_date":"2026-10-29T00:00:00Z","end_date":"2026-11-05T23:00:00Z","closed_time":"2026-10-29T20:00:00Z","result":null,"volume":6272.73,"volume_24hr":6220.18,"prob_24h_change":-0.18000000000000002,"volume_24h_change":6080.18,"normalized_vol_24hr":28.204998016357422,"normalized_volume":23.80193328857422,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-10-29T14:26:40.968209Z","fetched_at":"2026-10-29T14:26:40.968209Z","added_at":"2026-10-29T00:17:55.116949Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26oct29h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.39,0.4,0.44,0.36,0.33,0.29,0.27,0.27,0.27,0.34,0.34,0.45,0.41,0.41,0.41,0.47,0.37,0.36,0.3,0.27,0.14,0.21]}]}