{"_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-26OCT20H1600","as_of":"2026-10-20T10:44:24.658602Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — 54% as of 2026-10-20 UTC. https://pdata.world/events/kalshi/KXINXDUD-26OCT20H1600","source_url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26oct20h1600"},"source":"kalshi","id":"KXINXDUD-26OCT20H1600","ticker":"KXINXDUD-26OCT20H1600","slug":"KXINXDUD-26OCT20H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-10-20T00:00:00Z","end_date":"2026-10-27T23:00:00Z","closed_time":null,"volume":5287.97,"volume_24hr":5287.97,"volume_24h_change":null,"normalized_vol_24hr":20.8332462310791,"normalized_volume":19.707374572753906,"liquidity":null,"open_interest":4109.16,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7690.81","top_outcome_probability":0.54,"top_outcome_prob_24h_change":-0.1499999999999999,"top_outcome_volume_24h_change":5287.97,"updated_at":"2026-10-20T10:20:46.267841Z","fetched_at":"2026-10-20T10:20:46.267841Z","added_at":"2026-10-20T00:11:02.649765Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26oct20h1600","chart_24h":[0.0,214.14,477.95,609.02,720.58,914.58,943.75,1395.92,1466.05,1780.29,2415.69,2416.69,2657.17,5211.1,5261.06],"kind":"live","mutually_exclusive":false,"markets_total":1,"markets":[{"source":"kalshi","id":"KXINXDUD-26OCT20H1600-T7690.81","event_id":"KXINXDUD-26OCT20H1600","slug":"KXINXDUD-26OCT20H1600-T7690.81","question":"Will the S&P 500 be above 7690.81 on Oct 20, 2026 at 4pm EDT?","group_item_title":"Above 7690.81","description":"If the end-of-day price of the S&P 500 on October 20, 2026 is above 7690.81, 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":[0.54,0.45999999999999996],"probability":0.54,"spread":0.020000000000000018,"active":true,"closed":false,"start_date":"2026-10-20T00:00:00Z","end_date":"2026-10-27T23:00:00Z","closed_time":"2026-10-20T20:00:00Z","result":null,"volume":5287.97,"volume_24hr":5287.97,"prob_24h_change":-0.1499999999999999,"volume_24h_change":5287.97,"normalized_vol_24hr":23.38021469116211,"normalized_volume":22.88144302368164,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-10-20T10:33:38.949660Z","fetched_at":"2026-10-20T10:33:38.949660Z","added_at":"2026-10-20T00:11:02.810063Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26oct20h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.69,0.55,0.55,0.6,0.67,0.68,0.54,0.6,0.53,0.55,0.6,0.61,0.58,0.58,0.51,0.54]}]}