{"source":"kalshi","id":"KXINXHUD-26AUG131200","ticker":"KXINXHUD-26AUG131200","slug":"KXINXHUD-26AUG131200","title":"S&P 500 Hourly Up/Down","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-08-13T15:00:00Z","end_date":"2026-08-13T19:00:00Z","closed_time":"2026-08-13T16:00:00Z","volume":5618.22,"volume_24hr":5618.22,"volume_24h_change":null,"normalized_vol_24hr":25.565210342407227,"normalized_volume":20.649892807006836,"liquidity":null,"open_interest":3607.21,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above $7800.68","top_outcome_probability":0.01,"top_outcome_prob_24h_change":-0.18,"top_outcome_volume_24h_change":4902.22,"updated_at":"2026-08-13T16:13:04.425679Z","fetched_at":"2026-08-13T16:13:04.425679Z","added_at":"2026-08-13T15:02:27.336638Z","url":"https://kalshi.com/markets/kxinxhud/sp-500-hourly-updown/kxinxhud-26aug131200","chart_24h":[716.0,5618.21,5618.22],"markets":[{"source":"kalshi","id":"KXINXHUD-26AUG131200-T7800.68","event_id":"KXINXHUD-26AUG131200","slug":"KXINXHUD-26AUG131200-T7800.68","question":"Will the S&P 500 be above $7800.68 at Aug 13, 2026 at 12pm EDT?","group_item_title":"Above $7800.68","description":"If the value of S&P 500 is above $7800.68 at 12:00 PM ET on August 13, 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":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-13T15:00:00Z","end_date":"2026-08-13T19:00:00Z","closed_time":"2026-08-13T16:00:00Z","volume":5618.22,"volume_24hr":5618.22,"prob_24h_change":-0.18,"volume_24h_change":4902.22,"normalized_vol_24hr":30.73099708557129,"normalized_volume":23.205890655517578,"liquidity":null,"categories":["Finance"],"countries":[],"updated_at":"2026-08-13T16:13:50.453746Z","fetched_at":"2026-08-13T16:13:04.448671Z","added_at":"2026-08-13T15:02:27.471224Z","url":"https://kalshi.com/markets/kxinxhud/sp-500-hourly-updown/kxinxhud-26aug131200","event_title":"S&P 500 Hourly Up/Down","chart_24h":[0.19,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXINXHUD-26AUG131200","as_of":"2026-08-13T17:40:28.198732Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"S&P 500 Hourly Up/Down\" — top market at 1% probability across 1 outcome","source_url":null}}