{"source":"kalshi","id":"KXINXDUD-26SEP17H1600","ticker":"KXINXDUD-26SEP17H1600","slug":"KXINXDUD-26SEP17H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-17T00:00:00Z","end_date":"2026-09-24T23:00:00Z","closed_time":null,"volume":1678.78,"volume_24hr":1528.78,"volume_24h_change":null,"normalized_vol_24hr":20.246875762939453,"normalized_volume":14.951375961303711,"liquidity":null,"open_interest":1275.45,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7552.25","top_outcome_probability":0.92,"top_outcome_prob_24h_change":0.21000000000000008,"top_outcome_volume_24h_change":1395.75,"updated_at":"2026-09-17T11:59:15.909658Z","fetched_at":"2026-09-17T11:59:15.909658Z","added_at":"2026-09-17T00:35:04.193431Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep17h1600","chart_24h":[133.03,265.36,386.16,407.71,434.78,669.39,1239.58,1303.74,1309.64,1460.48],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP17H1600-T7552.25","event_id":"KXINXDUD-26SEP17H1600","slug":"KXINXDUD-26SEP17H1600-T7552.25","question":"Will the S&P 500 be above 7552.25 on Sep 17, 2026 at 4pm EDT?","group_item_title":"Above 7552.25","description":"If the end-of-day price of the S&P 500 on September 17, 2026 is above 7552.25, 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":[0.92,0.07999999999999996],"probability":0.92,"spread":0.020000000000000018,"active":true,"closed":false,"start_date":"2026-09-17T00:00:00Z","end_date":"2026-09-24T23:00:00Z","closed_time":"2026-09-17T20:00:00Z","volume":1678.78,"volume_24hr":1528.78,"prob_24h_change":0.21000000000000008,"volume_24h_change":1395.75,"normalized_vol_24hr":21.2807559967041,"normalized_volume":17.168729782104492,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-17T11:59:16.136854Z","fetched_at":"2026-09-17T11:59:16.136854Z","added_at":"2026-09-17T00:35:04.415787Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep17h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.71,0.81,0.8,0.8,0.8,0.8,0.78,0.78,0.8,0.8,0.82,0.82,0.85,0.84,0.91]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP17H1600","as_of":"2026-09-17T12:11:41.773574Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 92% probability across 1 outcome","source_url":null}}