{"source":"kalshi","id":"KXINXDUD-26SEP11H1600","ticker":"KXINXDUD-26SEP11H1600","slug":"KXINXDUD-26SEP11H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-11T00:00:00Z","end_date":"2026-09-18T23:00:00Z","closed_time":null,"volume":1259.37,"volume_24hr":1259.37,"volume_24h_change":null,"normalized_vol_24hr":16.463308334350586,"normalized_volume":13.845977783203125,"liquidity":null,"open_interest":1224.25,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7591.79","top_outcome_probability":0.77,"top_outcome_prob_24h_change":0.77,"top_outcome_volume_24h_change":1259.37,"updated_at":"2026-09-11T10:41:17.585083Z","fetched_at":"2026-09-11T10:41:17.585083Z","added_at":"2026-09-11T00:20:15.036676Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep11h1600","chart_24h":[0.0,2.86,471.67,655.86,658.13,964.74,1012.87,1119.46,1125.99,1222.84,1222.84,1259.37],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP11H1600-T7591.79","event_id":"KXINXDUD-26SEP11H1600","slug":"KXINXDUD-26SEP11H1600-T7591.79","question":"Will the S&P 500 be above 7591.79 on Sep 11, 2026 at 4pm EDT?","group_item_title":"Above 7591.79","description":"If the end-of-day price of the S&P 500 on September 11, 2026 is above 7591.79, 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":[0.77,0.22999999999999998],"probability":0.77,"spread":0.020000000000000018,"active":true,"closed":false,"start_date":"2026-09-11T00:00:00Z","end_date":"2026-09-18T23:00:00Z","closed_time":"2026-09-11T20:00:00Z","volume":1259.37,"volume_24hr":1259.37,"prob_24h_change":0.77,"volume_24h_change":1259.37,"normalized_vol_24hr":17.717891693115234,"normalized_volume":15.866228103637695,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-11T10:53:51.550755Z","fetched_at":"2026-09-11T10:53:51.550755Z","added_at":"2026-09-11T00:20:15.130763Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep11h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.0,0.0,0.0,0.0,0.58,0.58,0.63,0.57,0.71,0.72,0.72,0.71,0.73,0.73,0.78,0.77]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP11H1600","as_of":"2026-09-11T10:56:27.960159Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 77% probability across 1 outcome","source_url":null}}