{"source":"kalshi","id":"KXINXDUD-26SEP28H1600","ticker":"KXINXDUD-26SEP28H1600","slug":"KXINXDUD-26SEP28H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-26T00:00:00Z","end_date":"2026-10-05T23:00:00Z","closed_time":null,"volume":1248.97,"volume_24hr":1248.97,"volume_24h_change":null,"normalized_vol_24hr":17.43429946899414,"normalized_volume":13.738966941833496,"liquidity":null,"open_interest":1216.11,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7743.51","top_outcome_probability":0.41,"top_outcome_prob_24h_change":0.41,"top_outcome_volume_24h_change":1248.97,"updated_at":"2026-09-26T05:21:29.436801Z","fetched_at":"2026-09-26T05:21:29.436801Z","added_at":"2026-09-26T00:18:20.051496Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep28h1600","chart_24h":[0.0,174.08,1160.36,1163.88,1204.28,1230.86,1248.97],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP28H1600-T7743.51","event_id":"KXINXDUD-26SEP28H1600","slug":"KXINXDUD-26SEP28H1600-T7743.51","question":"Will the S&P 500 be above 7743.51 on Sep 28, 2026 at 4pm EDT?","group_item_title":"Above 7743.51","description":"If the end-of-day price of the S&P 500 on September 28, 2026 is above 7743.51, 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":[0.41,0.5900000000000001],"probability":0.41,"spread":0.07,"active":true,"closed":false,"start_date":"2026-09-26T00:00:00Z","end_date":"2026-10-05T23:00:00Z","closed_time":"2026-09-28T20:00:00Z","volume":1248.97,"volume_24hr":1248.97,"prob_24h_change":0.41,"volume_24h_change":1248.97,"normalized_vol_24hr":18.836233139038086,"normalized_volume":15.82942008972168,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-26T05:52:07.694097Z","fetched_at":"2026-09-26T05:52:07.694097Z","added_at":"2026-09-26T00:18:20.219078Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep28h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.0,0.0,0.5,0.48,0.55,0.42,0.42,0.42,0.41,0.41]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP28H1600","as_of":"2026-09-26T06:25:51.051524Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 41% probability across 1 outcome","source_url":null}}