{"source":"kalshi","id":"KXINXDUD-26AUG12H1600","ticker":"KXINXDUD-26AUG12H1600","slug":"KXINXDUD-26AUG12H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-12T00:00:00Z","end_date":"2026-08-19T23:00:00Z","closed_time":null,"volume":6602.19,"volume_24hr":6602.19,"volume_24h_change":null,"normalized_vol_24hr":29.396621704101562,"normalized_volume":21.294727325439453,"liquidity":null,"open_interest":3873.92,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7728.20","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.45999999999999996,"top_outcome_volume_24h_change":6361.8099999999995,"updated_at":"2026-08-12T19:04:41.060412Z","fetched_at":"2026-08-12T19:04:41.060412Z","added_at":"2026-08-12T00:46:06.710257Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug12h1600","chart_24h":[240.38,304.47,304.47,306.6,306.6,326.6,339.54,352.0,477.97,516.07,540.32,540.32,561.59,1108.69,1394.28,3113.24,3646.43,4264.57,5367.87,6294.2,6432.85,6602.19],"markets":[{"source":"kalshi","id":"KXINXDUD-26AUG12H1600-T7728.20","event_id":"KXINXDUD-26AUG12H1600","slug":"KXINXDUD-26AUG12H1600-T7728.20","question":"Will the S&P 500 be above 7728.20 on Aug 12, 2026 at 4pm EDT?","group_item_title":"Above 7728.20","description":"If the end-of-day price of the S&P 500 on August 12, 2026 is above 7728.20, 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":[0.99,0.010000000000000009],"probability":0.99,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-12T00:00:00Z","end_date":"2026-08-19T23:00:00Z","closed_time":"2026-08-12T20:00:00Z","volume":6602.19,"volume_24hr":6602.19,"prob_24h_change":0.45999999999999996,"volume_24h_change":6361.8099999999995,"normalized_vol_24hr":31.40606117248535,"normalized_volume":24.08138656616211,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-12T19:05:48.999918Z","fetched_at":"2026-08-12T19:04:41.190670Z","added_at":"2026-08-12T00:46:06.985065Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug12h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.53,0.56,0.56,0.56,0.56,0.56,0.56,0.55,0.55,0.55,0.55,0.55,0.55,0.58,0.58,0.58,0.63,0.67,0.62,0.66,0.69,0.69,0.78,0.69,0.8,0.77,0.75,0.86,0.94,0.93,0.99,0.99]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26AUG12H1600","as_of":"2026-08-12T19:34:48.915433Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 99% probability across 1 outcome","source_url":null}}