{"source":"kalshi","id":"KXINXDUD-26AUG25H1600","ticker":"KXINXDUD-26AUG25H1600","slug":"KXINXDUD-26AUG25H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-25T00:00:00Z","end_date":"2026-09-01T23:00:00Z","closed_time":null,"volume":3579.44,"volume_24hr":3579.44,"volume_24h_change":null,"normalized_vol_24hr":26.356245040893555,"normalized_volume":18.397829055786133,"liquidity":null,"open_interest":2835.51,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7652.86","top_outcome_probability":0.71,"top_outcome_prob_24h_change":0.26999999999999996,"top_outcome_volume_24h_change":3389.71,"updated_at":"2026-08-25T04:57:59.533349Z","fetched_at":"2026-08-25T04:57:59.533349Z","added_at":"2026-08-25T00:22:11.390844Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug25h1600","chart_24h":[189.73,2509.89,2716.67,2772.63,3531.35,3533.35,3568.81],"markets":[{"source":"kalshi","id":"KXINXDUD-26AUG25H1600-T7652.86","event_id":"KXINXDUD-26AUG25H1600","slug":"KXINXDUD-26AUG25H1600-T7652.86","question":"Will the S&P 500 be above 7652.86 on Aug 25, 2026 at 4pm EDT?","group_item_title":"Above 7652.86","description":"If the end-of-day price of the S&P 500 on August 25, 2026 is above 7652.86, 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":[0.71,0.29000000000000004],"probability":0.71,"spread":0.04999999999999993,"active":true,"closed":false,"start_date":"2026-08-25T00:00:00Z","end_date":"2026-09-01T23:00:00Z","closed_time":"2026-08-25T20:00:00Z","volume":3579.44,"volume_24hr":3579.44,"prob_24h_change":0.26999999999999996,"volume_24h_change":3389.71,"normalized_vol_24hr":28.146207809448242,"normalized_volume":20.846351623535156,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-25T05:01:39.492220Z","fetched_at":"2026-08-25T04:57:59.642241Z","added_at":"2026-08-25T00:22:11.551080Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26aug25h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.44,0.57,0.62,0.58,0.61,0.6,0.71]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26AUG25H1600","as_of":"2026-08-25T05:03:32.039463Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 71% probability across 1 outcome","source_url":null}}