{"source":"kalshi","id":"KXINXDUD-26AUG26H1600","ticker":"KXINXDUD-26AUG26H1600","slug":"KXINXDUD-26AUG26H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-26T00:00:00Z","end_date":"2026-09-02T23:00:00Z","closed_time":null,"volume":4392.25,"volume_24hr":4392.25,"volume_24h_change":null,"normalized_vol_24hr":27.1461181640625,"normalized_volume":19.32018280029297,"liquidity":null,"open_interest":4281.52,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7677.28","top_outcome_probability":0.53,"top_outcome_prob_24h_change":0.030000000000000027,"top_outcome_volume_24h_change":2049.25,"updated_at":"2026-08-26T05:06:31.364754Z","fetched_at":"2026-08-26T05:06:31.364754Z","added_at":"2026-08-26T00:27:50.183901Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug26h1600","chart_24h":[2343.0,4214.03,4270.21,4283.74,4287.9,4345.99,4355.72,4355.72,4392.25],"markets":[{"source":"kalshi","id":"KXINXDUD-26AUG26H1600-T7677.28","event_id":"KXINXDUD-26AUG26H1600","slug":"KXINXDUD-26AUG26H1600-T7677.28","question":"Will the S&P 500 be above 7677.28 on Aug 26, 2026 at 4pm EDT?","group_item_title":"Above 7677.28","description":"If the end-of-day price of the S&P 500 on August 26, 2026 is above 7677.28, 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":[0.53,0.47],"probability":0.53,"spread":0.10000000000000003,"active":true,"closed":false,"start_date":"2026-08-26T00:00:00Z","end_date":"2026-09-02T23:00:00Z","closed_time":"2026-08-26T20:00:00Z","volume":4392.25,"volume_24hr":4392.25,"prob_24h_change":0.030000000000000027,"volume_24h_change":2049.25,"normalized_vol_24hr":29.090368270874023,"normalized_volume":21.90171241760254,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-26T05:07:45.663978Z","fetched_at":"2026-08-26T05:06:31.478231Z","added_at":"2026-08-26T00:27:50.297147Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug26h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.5,0.43,0.42,0.43,0.42,0.53,0.4,0.4,0.53]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26AUG26H1600","as_of":"2026-08-26T05:20:32.131171Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 53% probability across 1 outcome","source_url":null}}