{"source":"kalshi","id":"KXINXDUD-26SEP08H1600","ticker":"KXINXDUD-26SEP08H1600","slug":"KXINXDUD-26SEP08H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-08T00:00:00Z","end_date":"2026-09-15T23:00:00Z","closed_time":null,"volume":4288.61,"volume_24hr":4288.61,"volume_24h_change":null,"normalized_vol_24hr":22.866580963134766,"normalized_volume":19.02391242980957,"liquidity":null,"open_interest":2764.2,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7718.60","top_outcome_probability":0.23,"top_outcome_prob_24h_change":-0.17,"top_outcome_volume_24h_change":4052.45,"updated_at":"2026-09-08T06:50:58.543387Z","fetched_at":"2026-09-08T06:50:58.543387Z","added_at":"2026-09-08T00:39:26.602556Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep08h1600","chart_24h":[236.16,325.16,406.34,796.31,796.31,950.8,1024.11,1126.0,2693.99,3970.1,4219.06,4286.06,4288.61],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP08H1600-T7718.60","event_id":"KXINXDUD-26SEP08H1600","slug":"KXINXDUD-26SEP08H1600-T7718.60","question":"Will the S&P 500 be above 7718.60 on Sep 8, 2026 at 4pm EDT?","group_item_title":"Above 7718.60","description":"If the end-of-day price of the S&P 500 on September 08, 2026 is above 7718.60, 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":[0.23,0.77],"probability":0.23,"spread":0.06,"active":true,"closed":false,"start_date":"2026-09-08T00:00:00Z","end_date":"2026-09-15T23:00:00Z","closed_time":"2026-09-08T20:00:00Z","volume":4288.61,"volume_24hr":4288.61,"prob_24h_change":-0.17,"volume_24h_change":4052.45,"normalized_vol_24hr":24.472314834594727,"normalized_volume":21.7772159576416,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-08T07:29:40.336606Z","fetched_at":"2026-09-08T07:29:40.336606Z","added_at":"2026-09-08T00:39:26.695155Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep08h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.4,0.42,0.4,0.46,0.47,0.45,0.51,0.51,0.49,0.44,0.25,0.23,0.23]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP08H1600","as_of":"2026-09-08T07:37:52.243543Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 23% probability across 1 outcome","source_url":null}}