{"source":"kalshi","id":"KXINXDUD-26SEP23H1600","ticker":"KXINXDUD-26SEP23H1600","slug":"KXINXDUD-26SEP23H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-23T00:00:00Z","end_date":"2026-09-30T23:00:00Z","closed_time":null,"volume":4503.01,"volume_24hr":4503.01,"volume_24h_change":null,"normalized_vol_24hr":27.211750030517578,"normalized_volume":19.1478271484375,"liquidity":null,"open_interest":2364.04,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7764.79","top_outcome_probability":0.03,"top_outcome_prob_24h_change":-0.52,"top_outcome_volume_24h_change":4303.030000000001,"updated_at":"2026-09-23T16:04:17.662410Z","fetched_at":"2026-09-23T16:04:17.662410Z","added_at":"2026-09-23T00:21:34.835441Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep23h1600","chart_24h":[199.98,424.53,574.53,606.96,661.96,665.25,875.25,1104.25,1120.2,1239.2,1249.2,1261.45,1281.45,1478.81,1483.85,1484.01,1957.07,2532.4,2822.67,3337.21,3891.57,4473.01],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP23H1600-T7764.79","event_id":"KXINXDUD-26SEP23H1600","slug":"KXINXDUD-26SEP23H1600-T7764.79","question":"Will the S&P 500 be above 7764.79 on Sep 23, 2026 at 4pm EDT?","group_item_title":"Above 7764.79","description":"If the end-of-day price of the S&P 500 on September 23, 2026 is above 7764.79, 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":[0.03,0.97],"probability":0.03,"spread":0.01,"active":true,"closed":false,"start_date":"2026-09-23T00:00:00Z","end_date":"2026-09-30T23:00:00Z","closed_time":"2026-09-23T20:00:00Z","volume":4503.01,"volume_24hr":4503.01,"prob_24h_change":-0.52,"volume_24h_change":4303.030000000001,"normalized_vol_24hr":29.47911262512207,"normalized_volume":22.031932830810547,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-23T16:04:17.789353Z","fetched_at":"2026-09-23T16:04:17.789353Z","added_at":"2026-09-23T00:21:35.056698Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep23h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.55,0.5,0.53,0.57,0.57,0.54,0.59,0.59,0.61,0.6,0.6,0.65,0.65,0.58,0.65,0.57,0.57,0.56,0.59,0.46,0.37,0.37,0.11,0.07,0.14,0.03]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP23H1600","as_of":"2026-09-23T16:17:09.003547Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 3% probability across 1 outcome","source_url":null}}