{"source":"kalshi","id":"KXINXDUD-26SEP22H1600","ticker":"KXINXDUD-26SEP22H1600","slug":"KXINXDUD-26SEP22H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-22T00:00:00Z","end_date":"2026-09-29T23:00:00Z","closed_time":null,"volume":1793.02,"volume_24hr":1487.2,"volume_24h_change":null,"normalized_vol_24hr":17.149425506591797,"normalized_volume":15.190621376037598,"liquidity":null,"open_interest":1114.15,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7764.80","top_outcome_probability":0.68,"top_outcome_prob_24h_change":0.68,"top_outcome_volume_24h_change":1487.2,"updated_at":"2026-09-22T13:38:40.552113Z","fetched_at":"2026-09-22T13:38:40.552113Z","added_at":"2026-09-22T00:13:00.195645Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep22h1600","chart_24h":[0.0,50.0,151.0,247.08,341.86,428.47,430.47,440.47,442.42,493.45,593.45,611.07,754.61,995.31,1145.31,1146.98,1308.05],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP22H1600-T7764.80","event_id":"KXINXDUD-26SEP22H1600","slug":"KXINXDUD-26SEP22H1600-T7764.80","question":"Will the S&P 500 be above 7764.80 on Sep 22, 2026 at 4pm EDT?","group_item_title":"Above 7764.80","description":"If the end-of-day price of the S&P 500 on September 22, 2026 is above 7764.80, 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":[0.68,0.31999999999999995],"probability":0.68,"spread":0.06999999999999995,"active":true,"closed":false,"start_date":"2026-09-22T00:00:00Z","end_date":"2026-09-29T23:00:00Z","closed_time":"2026-09-22T20:00:00Z","volume":1793.02,"volume_24hr":1487.2,"prob_24h_change":0.68,"volume_24h_change":1487.2,"normalized_vol_24hr":17.66994285583496,"normalized_volume":17.47429847717285,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-22T13:38:40.634506Z","fetched_at":"2026-09-22T13:38:40.634506Z","added_at":"2026-09-22T00:13:00.300473Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep22h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.0,0.57,0.57,0.49,0.56,0.56,0.56,0.56,0.52,0.51,0.56,0.51,0.35,0.52,0.45,0.6,0.55,0.55,0.58,0.65]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP22H1600","as_of":"2026-09-22T13:40:34.548006Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 68% probability across 1 outcome","source_url":null}}