{"source":"kalshi","id":"KXINXDUD-26AUG17H1600","ticker":"KXINXDUD-26AUG17H1600","slug":"KXINXDUD-26AUG17H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-15T00:00:00Z","end_date":"2026-08-24T23:00:00Z","closed_time":null,"volume":2896.18,"volume_24hr":1572.68,"volume_24h_change":null,"normalized_vol_24hr":18.241806030273438,"normalized_volume":17.572113037109375,"liquidity":null,"open_interest":2076.13,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7785.76","top_outcome_probability":0.58,"top_outcome_prob_24h_change":0.07999999999999996,"top_outcome_volume_24h_change":315.6500000000001,"updated_at":"2026-08-17T02:22:49.091441Z","fetched_at":"2026-08-17T02:22:49.091441Z","added_at":"2026-08-15T00:38:54.970363Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug17h1600","chart_24h":[1257.03,1266.68,1276.34,1281.34,1290.81,1310.13,1315.13,456.28,446.62,472.62,569.82,599.24,608.9,624.35,705.76,708.36,674.87,544.74,1095.29,1154.82,1189.76,1516.49,1497.17,1543.24,1569.34,1572.68],"markets":[{"source":"kalshi","id":"KXINXDUD-26AUG17H1600-T7785.76","event_id":"KXINXDUD-26AUG17H1600","slug":"KXINXDUD-26AUG17H1600-T7785.76","question":"Will the S&P 500 be above 7785.76 on Aug 17, 2026 at 4pm EDT?","group_item_title":"Above 7785.76","description":"If the end-of-day price of the S&P 500 on August 17, 2026 is above 7785.76, 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":[0.58,0.42000000000000004],"probability":0.58,"spread":0.030000000000000027,"active":true,"closed":false,"start_date":"2026-08-15T00:00:00Z","end_date":"2026-08-24T23:00:00Z","closed_time":"2026-08-17T20:00:00Z","volume":2896.18,"volume_24hr":1572.68,"prob_24h_change":0.07999999999999996,"volume_24h_change":315.6500000000001,"normalized_vol_24hr":19.341537475585938,"normalized_volume":19.781478881835938,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-17T03:35:10.511322Z","fetched_at":"2026-08-17T03:35:10.511322Z","added_at":"2026-08-15T00:38:55.447090Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug17h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.5,0.48,0.5,0.49,0.49,0.5,0.49,0.5,0.5,0.5,0.5,0.5,0.49,0.49,0.5,0.5,0.5,0.5,0.5,0.5,0.6,0.58,0.59,0.62,0.62,0.64,0.6,0.58,0.58]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26AUG17H1600","as_of":"2026-08-17T03:45:49.404850Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 58% probability across 1 outcome","source_url":null}}