{"source":"kalshi","id":"KXINXDUD-26AUG27H1600","ticker":"KXINXDUD-26AUG27H1600","slug":"KXINXDUD-26AUG27H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-08-27T00:00:00Z","end_date":"2026-09-03T23:00:00Z","closed_time":"2026-08-27T20:00:00Z","volume":4015.0,"volume_24hr":4015.0,"volume_24h_change":null,"normalized_vol_24hr":24.835678100585938,"normalized_volume":18.897798538208008,"liquidity":null,"open_interest":3167.19,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7675.70","top_outcome_probability":0.98,"top_outcome_prob_24h_change":0.98,"top_outcome_volume_24h_change":4015.0,"updated_at":"2026-08-27T20:09:11.436118Z","fetched_at":"2026-08-27T20:09:11.436118Z","added_at":"2026-08-27T00:21:26.238689Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug27h1600","chart_24h":[0.0,41.44,41.45,42.45,53.47,85.18,89.54,99.54,99.54,100.54,107.68,128.27,166.13,266.26,607.57,732.31,974.94,1228.89,1674.81,1674.81,1869.16,3165.33,3889.38,4015.0,4015.0],"markets":[{"source":"kalshi","id":"KXINXDUD-26AUG27H1600-T7675.70","event_id":"KXINXDUD-26AUG27H1600","slug":"KXINXDUD-26AUG27H1600-T7675.70","question":"Will the S&P 500 be above 7675.70 on Aug 27, 2026 at 4pm EDT?","group_item_title":"Above 7675.70","description":"If the end-of-day price of the S&P 500 on August 27, 2026 is above 7675.70, 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":[0.98,0.020000000000000018],"probability":0.98,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-27T00:00:00Z","end_date":"2026-09-03T23:00:00Z","closed_time":"2026-08-27T20:00:00Z","volume":4015.0,"volume_24hr":4015.0,"prob_24h_change":0.98,"volume_24h_change":4015.0,"normalized_vol_24hr":27.363088607788086,"normalized_volume":21.435352325439453,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-27T20:09:11.543951Z","fetched_at":"2026-08-27T20:09:11.543951Z","added_at":"2026-08-27T00:21:26.381257Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug27h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.0,0.77,0.77,0.77,0.77,0.91,0.89,0.76,0.76,0.75,0.91,0.72,0.72,0.72,0.72,0.72,0.83,0.83,0.83,0.77,0.77,0.76,0.83,0.88,0.93,0.97,0.92,0.99,0.96,0.9,0.9,0.98,0.98]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26AUG27H1600","as_of":"2026-08-27T21:04:30.779216Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 98% probability across 1 outcome","source_url":null}}