{"source":"kalshi","id":"KXINXDUD-26JUL28H1600","ticker":"KXINXDUD-26JUL28H1600","slug":"KXINXDUD-26JUL28H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-28T00:00:00Z","end_date":"2026-08-04T23:00:00Z","closed_time":null,"volume":1859.79,"volume_24hr":1859.79,"volume_24h_change":null,"normalized_vol_24hr":19.469165802001953,"normalized_volume":12.665800094604492,"liquidity":null,"open_interest":538.94,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7413.18","top_outcome_probability":0.39,"top_outcome_prob_24h_change":-0.20999999999999996,"top_outcome_volume_24h_change":1447.79,"updated_at":"2026-07-28T06:01:35.030906Z","fetched_at":"2026-07-28T06:01:35.030906Z","added_at":"2026-07-28T00:12:16.973881Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26jul28h1600","chart_24h":[412.0,708.0,1154.91,1277.3,1403.06,1638.3,1777.26,1800.12,1808.09,1859.79],"markets":[{"source":"kalshi","id":"KXINXDUD-26JUL28H1600-T7413.18","event_id":"KXINXDUD-26JUL28H1600","slug":"KXINXDUD-26JUL28H1600-T7413.18","question":"Will the S&P 500 be above 7413.18 on Jul 28, 2026 at 4pm EDT?","group_item_title":"Above 7413.18","description":"If the end-of-day price of the S&P 500 on July 28, 2026 is above 7413.18, 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":[0.39,0.61],"probability":0.39,"spread":0.040000000000000036,"active":true,"closed":false,"start_date":"2026-07-28T00:00:00Z","end_date":"2026-08-04T23:00:00Z","closed_time":"2026-07-28T20:00:00Z","volume":1859.79,"volume_24hr":1859.79,"prob_24h_change":-0.20999999999999996,"volume_24h_change":1447.79,"normalized_vol_24hr":22.172645568847656,"normalized_volume":14.751352310180664,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-07-28T06:54:38.707293Z","fetched_at":"2026-07-28T06:54:38.707293Z","added_at":"2026-07-28T00:12:17.085919Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26jul28h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.6,0.57,0.48,0.42,0.4,0.48,0.47,0.44,0.39,0.39,0.39]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26JUL28H1600","as_of":"2026-07-28T06:59:38.577431Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 39% probability across 1 outcome","source_url":null}}