{"source":"kalshi","id":"KXINXDUD-26SEP01H1600","ticker":"KXINXDUD-26SEP01H1600","slug":"KXINXDUD-26SEP01H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-01T00:00:00Z","end_date":"2026-09-08T23:00:00Z","closed_time":null,"volume":5953.73,"volume_24hr":5953.73,"volume_24h_change":null,"normalized_vol_24hr":27.36176872253418,"normalized_volume":20.588163375854492,"liquidity":null,"open_interest":4311.08,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7686.14","top_outcome_probability":0.25,"top_outcome_prob_24h_change":-0.33999999999999997,"top_outcome_volume_24h_change":5953.73,"updated_at":"2026-09-01T09:02:16.625478Z","fetched_at":"2026-09-01T09:02:16.625478Z","added_at":"2026-09-01T00:09:19.981107Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep01h1600","chart_24h":[0.0,110.53,213.03,369.34,481.05,1034.05,1101.9,1432.49,1654.4,4370.49,5006.76,5189.76,5938.74,5941.02],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP01H1600-T7686.14","event_id":"KXINXDUD-26SEP01H1600","slug":"KXINXDUD-26SEP01H1600-T7686.14","question":"Will the S&P 500 be above 7686.14 on Sep 1, 2026 at 4pm EDT?","group_item_title":"Above 7686.14","description":"If the end-of-day price of the S&P 500 on September 01, 2026 is above 7686.14, 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":[0.25,0.75],"probability":0.25,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-01T00:00:00Z","end_date":"2026-09-08T23:00:00Z","closed_time":"2026-09-01T20:00:00Z","volume":5953.73,"volume_24hr":5953.73,"prob_24h_change":-0.33999999999999997,"volume_24h_change":5953.73,"normalized_vol_24hr":29.34861183166504,"normalized_volume":23.518680572509766,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-01T09:02:16.719075Z","fetched_at":"2026-09-01T09:02:16.719075Z","added_at":"2026-09-01T00:09:20.250233Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep01h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.59,0.02,0.62,0.63,0.55,0.53,0.53,0.52,0.52,0.52,0.58,0.56,0.6,0.42,0.25]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP01H1600","as_of":"2026-09-01T09:14:19.043518Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 25% probability across 1 outcome","source_url":null}}