{"source":"kalshi","id":"KXINXHUD-26AUG121300","ticker":"KXINXHUD-26AUG121300","slug":"KXINXHUD-26AUG121300","title":"S&P 500 Hourly Up/Down","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-08-12T16:00:00Z","end_date":"2026-08-12T20:00:00Z","closed_time":"2026-08-12T17:00:00Z","volume":3157.95,"volume_24hr":3157.95,"volume_24h_change":null,"normalized_vol_24hr":24.67455291748047,"normalized_volume":17.87409019470215,"liquidity":null,"open_interest":3157.95,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above $7743.48","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.37,"top_outcome_volume_24h_change":3137.95,"updated_at":"2026-08-12T17:10:52.905649Z","fetched_at":"2026-08-12T17:10:52.905649Z","added_at":"2026-08-12T16:12:18.202672Z","url":"https://kalshi.com/markets/kxinxhud/sp-500-hourly-updown/kxinxhud-26aug121300","chart_24h":[20.0,3157.95],"markets":[{"source":"kalshi","id":"KXINXHUD-26AUG121300-T7743.48","event_id":"KXINXHUD-26AUG121300","slug":"KXINXHUD-26AUG121300-T7743.48","question":"Will the S&P 500 be above $7743.48 at Aug 12, 2026 at 1pm EDT?","group_item_title":"Above $7743.48","description":"If the value of S&P 500 is above $7743.48 at 1:00 PM ET on August 12, 2026, then the market resolves to Yes.\n\n---\n\nThis is an Up/Down market on || Index ||: it resolves Yes if || Index || finishes higher than its reference level, and No if it finishes flat or lower. The reference level (|| Value ||) is the value of || Index || at the start of the hour. If no data is available for the period by expiration, the market resolves No.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.99,0.010000000000000009],"probability":0.99,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-12T16:00:00Z","end_date":"2026-08-12T20:00:00Z","closed_time":"2026-08-12T17:00:00Z","volume":3157.95,"volume_24hr":3157.95,"prob_24h_change":0.37,"volume_24h_change":3137.95,"normalized_vol_24hr":26.361209869384766,"normalized_volume":20.21312141418457,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-12T17:11:35.230169Z","fetched_at":"2026-08-12T17:10:52.929754Z","added_at":"2026-08-12T16:12:18.363607Z","url":"https://kalshi.com/markets/kxinxhud/sp-500-hourly-updown/kxinxhud-26aug121300","event_title":"S&P 500 Hourly Up/Down","chart_24h":[0.62,0.99]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXHUD-26AUG121300","as_of":"2026-08-12T20:17:19.026128Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Hourly Up/Down\" — top market at 99% probability across 1 outcome","source_url":null}}