{"source":"kalshi","id":"KXINXHUD-26AUG031200","ticker":"KXINXHUD-26AUG031200","slug":"KXINXHUD-26AUG031200","title":"S&P 500 Hourly Up/Down","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-08-03T15:00:00Z","end_date":"2026-08-03T19:00:00Z","closed_time":"2026-08-03T16:00:00Z","volume":2220.8,"volume_24hr":2220.8,"volume_24h_change":null,"normalized_vol_24hr":21.29949378967285,"normalized_volume":16.03179931640625,"liquidity":null,"open_interest":1275.43,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above $7574.62","top_outcome_probability":0.93,"top_outcome_prob_24h_change":0.33000000000000007,"top_outcome_volume_24h_change":2184.8,"updated_at":"2026-08-03T16:02:55.882900Z","fetched_at":"2026-08-03T16:02:55.882900Z","added_at":"2026-08-03T15:04:11.135385Z","url":"https://kalshi.com/markets/kxinxhud/sp-500-hourly-updown/kxinxhud-26aug031200","chart_24h":[36.0,2220.8],"markets":[{"source":"kalshi","id":"KXINXHUD-26AUG031200-T7574.62","event_id":"KXINXHUD-26AUG031200","slug":"KXINXHUD-26AUG031200-T7574.62","question":"Will the S&P 500 be above $7574.62 at Aug 3, 2026 at 12pm EDT?","group_item_title":"Above $7574.62","description":"If the value of S&P 500 is above $7574.62 at 12:00 PM ET on August 3, 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":[0.93,0.06999999999999995],"probability":0.93,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-03T15:00:00Z","end_date":"2026-08-03T19:00:00Z","closed_time":"2026-08-03T16:00:00Z","volume":2220.8,"volume_24hr":2220.8,"prob_24h_change":0.33000000000000007,"volume_24h_change":2184.8,"normalized_vol_24hr":23.164953231811523,"normalized_volume":18.486114501953125,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-03T16:05:09.432894Z","fetched_at":"2026-08-03T16:02:55.904421Z","added_at":"2026-08-03T15:04:11.271013Z","url":"https://kalshi.com/markets/kxinxhud/sp-500-hourly-updown/kxinxhud-26aug031200","event_title":"S&P 500 Hourly Up/Down","chart_24h":[0.6,0.93]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXHUD-26AUG031200","as_of":"2026-08-03T18:25:47.499395Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Hourly Up/Down\" — top market at 93% probability across 1 outcome","source_url":null}}