{"source":"kalshi","id":"KXINXDUD-26SEP16H1600","ticker":"KXINXDUD-26SEP16H1600","slug":"KXINXDUD-26SEP16H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-16T00:00:00Z","end_date":"2026-09-23T23:00:00Z","closed_time":null,"volume":5282.52,"volume_24hr":5281.52,"volume_24h_change":null,"normalized_vol_24hr":26.590126037597656,"normalized_volume":19.92815399169922,"liquidity":null,"open_interest":3712.24,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7586.04","top_outcome_probability":0.69,"top_outcome_prob_24h_change":0.04999999999999993,"top_outcome_volume_24h_change":5070.150000000001,"updated_at":"2026-09-16T16:45:07.892281Z","fetched_at":"2026-09-16T16:45:07.892281Z","added_at":"2026-09-16T00:02:43.248026Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep16h1600","chart_24h":[211.37,213.6,219.6,400.6,609.67,628.91,953.98,981.22,1095.98,1686.46,1740.24,1755.24,1771.97,1771.97,2284.69,2291.97,3104.6,3967.17,4099.56,4655.33,4883.54,5010.9,5281.52],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP16H1600-T7586.04","event_id":"KXINXDUD-26SEP16H1600","slug":"KXINXDUD-26SEP16H1600-T7586.04","question":"Will the S&P 500 be above 7586.04 on Sep 16, 2026 at 4pm EDT?","group_item_title":"Above 7586.04","description":"If the end-of-day price of the S&P 500 on September 16, 2026 is above 7586.04, 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":[0.69,0.31000000000000005],"probability":0.69,"spread":0.019999999999999907,"active":true,"closed":false,"start_date":"2026-09-16T00:00:00Z","end_date":"2026-09-23T23:00:00Z","closed_time":"2026-09-16T20:00:00Z","volume":5282.52,"volume_24hr":5281.52,"prob_24h_change":0.04999999999999993,"volume_24h_change":5070.150000000001,"normalized_vol_24hr":28.919757843017578,"normalized_volume":22.875940322875977,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-16T16:45:08.018985Z","fetched_at":"2026-09-16T16:45:08.018985Z","added_at":"2026-09-16T00:02:43.496014Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep16h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.64,0.64,0.57,0.57,0.58,0.58,0.6,0.56,0.55,0.55,0.57,0.6,0.6,0.62,0.62,0.6,0.6,0.62,0.63,0.63,0.63,0.69,0.67,0.66,0.68,0.63,0.73,0.7,0.73,0.69]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP16H1600","as_of":"2026-09-16T16:58:38.481247Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 69% probability across 1 outcome","source_url":null}}