{"source":"kalshi","id":"KXINXDUD-26SEP15H1600","ticker":"KXINXDUD-26SEP15H1600","slug":"KXINXDUD-26SEP15H1600","title":"S&P 500 Daily Up/Down","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-15T00:00:00Z","end_date":"2026-09-22T23:00:00Z","closed_time":null,"volume":1629.91,"volume_24hr":1620.91,"volume_24h_change":null,"normalized_vol_24hr":17.57286834716797,"normalized_volume":14.843871116638184,"liquidity":null,"open_interest":1113.17,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 7619.95","top_outcome_probability":0.37,"top_outcome_prob_24h_change":-0.25,"top_outcome_volume_24h_change":1465.91,"updated_at":"2026-09-15T11:35:39.433795Z","fetched_at":"2026-09-15T11:35:39.433795Z","added_at":"2026-09-15T00:27:24.510628Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep15h1600","chart_24h":[155.0,166.83,196.83,206.28,426.75,426.75,618.48,786.6,942.71,991.25,994.95,995.62,1049.47,1067.47,1164.01,1183.91],"kind":"live","markets":[{"source":"kalshi","id":"KXINXDUD-26SEP15H1600-T7619.95","event_id":"KXINXDUD-26SEP15H1600","slug":"KXINXDUD-26SEP15H1600-T7619.95","question":"Will the S&P 500 be above 7619.95 on Sep 15, 2026 at 4pm EDT?","group_item_title":"Above 7619.95","description":"If the end-of-day price of the S&P 500 on September 15, 2026 is above 7619.95, 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":[0.37,0.63],"probability":0.37,"spread":0.030000000000000027,"active":true,"closed":false,"start_date":"2026-09-15T00:00:00Z","end_date":"2026-09-22T23:00:00Z","closed_time":"2026-09-15T20:00:00Z","volume":1629.91,"volume_24hr":1620.91,"prob_24h_change":-0.25,"volume_24h_change":1465.91,"normalized_vol_24hr":18.878385543823242,"normalized_volume":17.032487869262695,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-09-15T11:35:39.550655Z","fetched_at":"2026-09-15T11:35:39.550655Z","added_at":"2026-09-15T00:27:24.601240Z","url":"https://kalshi.com/markets/kxinxdud/sp-500-daily-updown/kxinxdud-26sep15h1600","event_title":"S&P 500 Daily Up/Down","chart_24h":[0.62,0.62,0.66,0.61,0.61,0.5,0.45,0.41,0.34,0.26,0.36,0.34,0.34,0.31,0.08,0.15,0.16,0.16,0.35]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXDUD-26SEP15H1600","as_of":"2026-09-15T11:39:16.088371Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Daily Up/Down\" — top market at 37% probability across 1 outcome","source_url":null}}