{"source":"kalshi","id":"KXINXDUD-26SEP02H1600","ticker":"KXINXDUD-26SEP02H1600","slug":"KXINXDUD-26SEP02H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-02T00:00:00Z","end_date":"2026-09-09T23:00:00Z","closed_time":null,"volume":2427.63,"volume_24hr":2427.63,"volume_24h_change":null,"normalized_vol_24hr":20.7028865814209,"normalized_volume":16.552244186401367,"liquidity":null,"open_interest":1906.47,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7631.47","top_outcome_probability":0.37,"top_outcome_prob_24h_change":0.22999999999999998,"top_outcome_volume_24h_change":2427.63,"updated_at":"2026-09-02T09:26:50.433194Z","fetched_at":"2026-09-02T09:26:50.433194Z","added_at":"2026-09-02T00:10:41.204464Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep02h1600","chart_24h":[0.0,33.05,271.93,734.25,739.53,739.53,741.43,751.45,993.59,1116.56,1728.95,1928.95,2427.63],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP02H1600-T7631.47","event_id":"KXINXDUD-26SEP02H1600","slug":"KXINXDUD-26SEP02H1600-T7631.47","question":"Will the S&P 500 be above 7631.47 on Sep 2, 2026 at 4pm EDT?","group_item_title":"Above 7631.47","description":"If the end-of-day price of the S&P 500 on September 02, 2026 is above 7631.47, 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":[0.37,0.63],"probability":0.37,"spread":0.04999999999999999,"active":true,"closed":false,"start_date":"2026-09-02T00:00:00Z","end_date":"2026-09-09T23:00:00Z","closed_time":"2026-09-02T20:00:00Z","volume":2427.63,"volume_24hr":2427.63,"prob_24h_change":0.22999999999999998,"volume_24h_change":2427.63,"normalized_vol_24hr":22.329946517944336,"normalized_volume":18.915630340576172,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-02T09:54:43.544853Z","fetched_at":"2026-09-02T09:54:43.544853Z","added_at":"2026-09-02T00:10:41.275206Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep02h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.14,0.65,0.57,0.33,0.55,0.54,0.51,0.51,0.5,0.51,0.55,0.55,0.41,0.37]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP02H1600","as_of":"2026-09-02T10:00:20.538585Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 37% probability across 1 outcome","source_url":null}}