{"source":"kalshi","id":"KXINXDUD-26AUG11H1600","ticker":"KXINXDUD-26AUG11H1600","slug":"KXINXDUD-26AUG11H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-11T00:00:00Z","end_date":"2026-08-18T23:00:00Z","closed_time":null,"volume":3072.24,"volume_24hr":3072.24,"volume_24h_change":null,"normalized_vol_24hr":24.246068954467773,"normalized_volume":17.752267837524414,"liquidity":null,"open_interest":2563.62,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7753.11","top_outcome_probability":0.65,"top_outcome_prob_24h_change":0.15000000000000002,"top_outcome_volume_24h_change":2816.5,"updated_at":"2026-08-11T03:49:04.911534Z","fetched_at":"2026-08-11T03:49:04.911534Z","added_at":"2026-08-11T00:01:40.330114Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug11h1600","chart_24h":[255.74,2189.25,2602.75,2775.16,2907.24,3072.24],"markets":[{"source":"kalshi","id":"KXINXDUD-26AUG11H1600-T7753.11","event_id":"KXINXDUD-26AUG11H1600","slug":"KXINXDUD-26AUG11H1600-T7753.11","question":"Will the S&P 500 be above 7753.11 on Aug 11, 2026 at 4pm EDT?","group_item_title":"Above 7753.11","description":"If the end-of-day price of the S&P 500 on August 11, 2026 is above 7753.11, 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":[0.65,0.35],"probability":0.65,"spread":0.040000000000000036,"active":true,"closed":false,"start_date":"2026-08-11T00:00:00Z","end_date":"2026-08-18T23:00:00Z","closed_time":"2026-08-11T20:00:00Z","volume":3072.24,"volume_24hr":3072.24,"prob_24h_change":0.15000000000000002,"volume_24h_change":2816.5,"normalized_vol_24hr":27.14732551574707,"normalized_volume":20.075353622436523,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-11T04:51:46.847066Z","fetched_at":"2026-08-11T04:51:46.847066Z","added_at":"2026-08-11T00:01:40.507038Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug11h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.5,0.5,0.61,0.57,0.59,0.65,0.65]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26AUG11H1600","as_of":"2026-08-11T04:53:50.822948Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 65% probability across 1 outcome","source_url":null}}