{"source":"kalshi","id":"KXINXDUD-26AUG13H1600","ticker":"KXINXDUD-26AUG13H1600","slug":"KXINXDUD-26AUG13H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-13T00:00:00Z","end_date":"2026-08-20T23:00:00Z","closed_time":null,"volume":15591.64,"volume_24hr":15591.64,"volume_24h_change":null,"normalized_vol_24hr":31.966489791870117,"normalized_volume":25.820425033569336,"liquidity":null,"open_interest":9059.96,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7748.50","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.43999999999999995,"top_outcome_volume_24h_change":15375.64,"updated_at":"2026-08-13T17:23:21.258890Z","fetched_at":"2026-08-13T17:23:21.258890Z","added_at":"2026-08-13T00:37:35.490570Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug13h1600","chart_24h":[216.0,233.62,253.62,294.81,304.67,465.03,494.23,509.47,569.06,577.32,584.22,854.27,939.82,986.24,4354.85,9145.63,9870.64,11484.43,13914.58,14633.74],"markets":[{"source":"kalshi","id":"KXINXDUD-26AUG13H1600-T7748.50","event_id":"KXINXDUD-26AUG13H1600","slug":"KXINXDUD-26AUG13H1600-T7748.50","question":"Will the S&P 500 be above 7748.50 on Aug 13, 2026 at 4pm EDT?","group_item_title":"Above 7748.50","description":"If the end-of-day price of the S&P 500 on August 13, 2026 is above 7748.50, 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":[0.99,0.010000000000000009],"probability":0.99,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-13T00:00:00Z","end_date":"2026-08-20T23:00:00Z","closed_time":"2026-08-13T20:00:00Z","volume":15591.64,"volume_24hr":15591.64,"prob_24h_change":0.43999999999999995,"volume_24h_change":15375.64,"normalized_vol_24hr":38.42573928833008,"normalized_volume":29.016420364379883,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-13T17:27:15.624785Z","fetched_at":"2026-08-13T17:23:21.467825Z","added_at":"2026-08-13T00:37:36.176408Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug13h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.55,0.55,0.55,0.59,0.59,0.59,0.59,0.63,0.65,0.64,0.64,0.64,0.64,0.64,0.64,0.7,0.71,0.68,0.66,0.67,0.74,0.94,0.98,0.96,0.88,0.95,0.99]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26AUG13H1600","as_of":"2026-08-13T17:40:09.654915Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 99% probability across 1 outcome","source_url":null}}