{"source":"kalshi","id":"KXINXDUD-26SEP25H1600","ticker":"KXINXDUD-26SEP25H1600","slug":"KXINXDUD-26SEP25H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-25T00:00:00Z","end_date":"2026-10-02T23:00:00Z","closed_time":null,"volume":2569.83,"volume_24hr":2569.83,"volume_24h_change":null,"normalized_vol_24hr":19.663190841674805,"normalized_volume":16.664270401000977,"liquidity":null,"open_interest":2006.72,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7704.24","top_outcome_probability":0.78,"top_outcome_prob_24h_change":0.29000000000000004,"top_outcome_volume_24h_change":1869.1399999999999,"updated_at":"2026-09-25T10:56:51.081572Z","fetched_at":"2026-09-25T10:56:51.081572Z","added_at":"2026-09-25T00:14:57.368020Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep25h1600","chart_24h":[700.69,700.69,753.13,763.85,808.0,973.29,1596.55,1617.63,1626.44,1626.44,2357.5,2369.27,2507.95,2514.34,2568.57],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP25H1600-T7704.24","event_id":"KXINXDUD-26SEP25H1600","slug":"KXINXDUD-26SEP25H1600-T7704.24","question":"Will the S&P 500 be above 7704.24 on Sep 25, 2026 at 4pm EDT?","group_item_title":"Above 7704.24","description":"If the end-of-day price of the S&P 500 on September 25, 2026 is above 7704.24, 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":[0.78,0.21999999999999997],"probability":0.78,"spread":0.07000000000000006,"active":true,"closed":false,"start_date":"2026-09-25T00:00:00Z","end_date":"2026-10-02T23:00:00Z","closed_time":"2026-09-25T20:00:00Z","volume":2569.83,"volume_24hr":2569.83,"prob_24h_change":0.29000000000000004,"volume_24h_change":1869.1399999999999,"normalized_vol_24hr":21.267263412475586,"normalized_volume":19.192794799804688,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-25T10:56:51.238046Z","fetched_at":"2026-09-25T10:56:51.238046Z","added_at":"2026-09-25T00:14:57.485198Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep25h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.49,0.48,0.47,0.55,0.54,0.57,0.5,0.54,0.55,0.58,0.6,0.6,0.6,0.67,0.75,0.77,0.78]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP25H1600","as_of":"2026-09-25T11:08:26.766052Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 78% probability across 1 outcome","source_url":null}}