{"source":"kalshi","id":"KXINXDUD-26AUG19H1600","ticker":"KXINXDUD-26AUG19H1600","slug":"KXINXDUD-26AUG19H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-19T00:00:00Z","end_date":"2026-08-26T23:00:00Z","closed_time":null,"volume":5984.39,"volume_24hr":5973.95,"volume_24h_change":null,"normalized_vol_24hr":27.39903450012207,"normalized_volume":20.863866806030273,"liquidity":null,"open_interest":3953.51,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7691.76","top_outcome_probability":0.91,"top_outcome_prob_24h_change":0.91,"top_outcome_volume_24h_change":5973.95,"updated_at":"2026-08-19T16:58:50.410395Z","fetched_at":"2026-08-19T16:58:50.410395Z","added_at":"2026-08-19T00:01:29.647792Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug19h1600","chart_24h":[0.0,34.64,134.64,249.64,336.72,355.49,355.66,467.49,486.96,868.51,918.51,920.13,962.0,1150.01,1523.95,2876.69,3944.46,5366.57,5666.57],"markets":[{"source":"kalshi","id":"KXINXDUD-26AUG19H1600-T7691.76","event_id":"KXINXDUD-26AUG19H1600","slug":"KXINXDUD-26AUG19H1600-T7691.76","question":"Will the S&P 500 be above 7691.76 on Aug 19, 2026 at 4pm EDT?","group_item_title":"Above 7691.76","description":"If the end-of-day price of the S&P 500 on August 19, 2026 is above 7691.76, 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":[0.91,0.08999999999999997],"probability":0.91,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-19T00:00:00Z","end_date":"2026-08-26T23:00:00Z","closed_time":"2026-08-19T20:00:00Z","volume":5984.39,"volume_24hr":5973.95,"prob_24h_change":0.91,"volume_24h_change":5973.95,"normalized_vol_24hr":28.698619842529297,"normalized_volume":23.546480178833008,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-19T17:01:43.230220Z","fetched_at":"2026-08-19T16:58:50.636533Z","added_at":"2026-08-19T00:01:29.875606Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug19h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.0,0.44,0.55,0.52,0.52,0.48,0.36,0.34,0.45,0.45,0.5,0.5,0.5,0.5,0.72,0.58,0.6,0.58,0.58,0.84,0.91,0.91,0.97,0.9,0.96]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26AUG19H1600","as_of":"2026-08-19T17:11:08.215046Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 91% probability across 1 outcome","source_url":null}}