{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/kalshi/KXBIGSKYOPEN-27","as_of":"2026-11-08T19:31:20.149334Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"When will Big Sky open for the 26/27 winter season?\" — 5 markets; highest \"Before Dec 6, 2026\" at 99% as of 2026-11-08 UTC. https://pdata.world/events/kalshi/KXBIGSKYOPEN-27","source_url":"https://kalshi.com/markets/kxbigskyopen/when-will-big-sky-open-for-the-2627-winter-season/kxbigskyopen-27"},"source":"kalshi","id":"KXBIGSKYOPEN-27","ticker":"KXBIGSKYOPEN-27","slug":"KXBIGSKYOPEN-27","title":"When will Big Sky open for the 26/27 winter season?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-22T16:00:00Z","end_date":"2026-12-19T15:00:00Z","closed_time":null,"volume":336121.51,"volume_24hr":864.78,"volume_24h_change":null,"normalized_vol_24hr":14.353487968444824,"normalized_volume":42.80060958862305,"liquidity":null,"open_interest":154818.03,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Before Dec 6, 2026","top_outcome_probability":0.99,"top_outcome_prob_24h_change":null,"top_outcome_volume_24h_change":null,"updated_at":"2026-11-08T18:24:37.288805Z","fetched_at":"2026-11-08T18:24:37.288805Z","added_at":"2026-09-22T16:10:46.519249Z","url":"https://kalshi.com/markets/kxbigskyopen/when-will-big-sky-open-for-the-2627-winter-season/kxbigskyopen-27","chart_24h":[5768.57,5922.91,5766.54,5030.71,4933.5,4545.349999999999,4544.34,4481.36,4147.51,2928.8199999999997,2757.83,2563.63,2547.0,2518.85,2470.93,2278.2,2043.62,1855.99,1829.8100000000002,1819.5400000000002,1719.5400000000002,1641.3600000000001,1610.15,1453.79,1219.23,1217.22,1189.28,1225.82,1432.44,863.77,864.78],"kind":"live","mutually_exclusive":false,"markets_total":5,"markets":[{"source":"kalshi","id":"KXBIGSKYOPEN-27-29NOV26","event_id":"KXBIGSKYOPEN-27","slug":"KXBIGSKYOPEN-27-29NOV26","question":"Will Big Sky open before Nov 29, 2026?","group_item_title":"Before Nov 29, 2026","description":"If the first calendar day in the 2026-27 winter season on which Big Sky Ski Resort conducts Seasonal Opening Operations occurs before Nov 29, 2026, then the market resolves to Yes.\n\n---\n\nHow this is resolved\nSeasonal Opening Operations require at least one passenger lift to carry members of the general public uphill for downhill skiing or snowboarding on terrain designated open for that use by Big Sky Ski Resort. \nThe opening calendar day is determined in Eastern Time.\nThe season runs from September 1 through August 31 of the following year. “Before” excludes the specified date. \nA name, branding, ownership, operator, or website change does not change the resort’s geographic identity. \nIf no Source Agency has documented Seasonal Opening Operations by expiration and there is insufficient information to determine their occurrence, the market resolves to last fair price, as determined by the Exchange in its sole discretion.\nIf Big Sky Ski Resort is decommissioned, the market resolves to No.\n\nPayout criteria\nAccess counts only when holders of a season pass valid for the specified season can use those lifts and terrain without an additional purchase.\nFree reservations and passholder-only days count.\nAny number of lifts, any amount of terrain, and any operating duration count.\n\nDoesn’t count for payout\nEmployee, contractor, invited-media, private-event, and separately purchased early-access or preview days do not count. \nScenic rides, mountain biking, hiking, tubing, and uphill-only access do not count.\nScheduled, projected, or announced opening dates do not count.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Big Sky Ski Resort. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.97,0.030000000000000027],"probability":0.97,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-22T16:00:00Z","end_date":"2026-12-05T15:00:00Z","closed_time":"2026-12-05T15:00:00Z","result":null,"volume":65683.67,"volume_24hr":364.4,"prob_24h_change":0.0,"volume_24h_change":-409.03,"normalized_vol_24hr":11.59029483795166,"normalized_volume":34.52192306518555,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-11-08T18:24:37.421343Z","fetched_at":"2026-11-08T18:24:37.421343Z","added_at":"2026-09-22T16:10:46.686173Z","url":"https://kalshi.com/markets/kxbigskyopen/when-will-big-sky-open-for-the-2627-winter-season/kxbigskyopen-27","event_title":"When will Big Sky open for the 26/27 winter season?","chart_24h":[0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97,0.97]},{"source":"kalshi","id":"KXBIGSKYOPEN-27-22NOV26","event_id":"KXBIGSKYOPEN-27","slug":"KXBIGSKYOPEN-27-22NOV26","question":"Will Big Sky open before Nov 22, 2026?","group_item_title":"Before Nov 22, 2026","description":"If the first calendar day in the 2026-27 winter season on which Big Sky Ski Resort conducts Seasonal Opening Operations occurs before Nov 22, 2026, then the market resolves to Yes.\n\n---\n\nHow this is resolved\nSeasonal Opening Operations require at least one passenger lift to carry members of the general public uphill for downhill skiing or snowboarding on terrain designated open for that use by Big Sky Ski Resort. \nThe opening calendar day is determined in Eastern Time.\nThe season runs from September 1 through August 31 of the following year. “Before” excludes the specified date. \nA name, branding, ownership, operator, or website change does not change the resort’s geographic identity. \nIf no Source Agency has documented Seasonal Opening Operations by expiration and there is insufficient information to determine their occurrence, the market resolves to last fair price, as determined by the Exchange in its sole discretion.\nIf Big Sky Ski Resort is decommissioned, the market resolves to No.\n\nPayout criteria\nAccess counts only when holders of a season pass valid for the specified season can use those lifts and terrain without an additional purchase.\nFree reservations and passholder-only days count.\nAny number of lifts, any amount of terrain, and any operating duration count.\n\nDoesn’t count for payout\nEmployee, contractor, invited-media, private-event, and separately purchased early-access or preview days do not count. \nScenic rides, mountain biking, hiking, tubing, and uphill-only access do not count.\nScheduled, projected, or announced opening dates do not count.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Big Sky Ski Resort. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.06,0.94],"probability":0.06,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-09-22T16:00:00Z","end_date":"2026-11-28T15:00:00Z","closed_time":"2026-11-28T15:00:00Z","result":null,"volume":28359.88,"volume_24hr":500.38,"prob_24h_change":0.009999999999999995,"volume_24h_change":-3497.7999999999997,"normalized_vol_24hr":12.8663969039917,"normalized_volume":29.492307662963867,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-11-08T17:34:20.638790Z","fetched_at":"2026-11-08T17:34:20.638790Z","added_at":"2026-09-22T16:10:46.686173Z","url":"https://kalshi.com/markets/kxbigskyopen/when-will-big-sky-open-for-the-2627-winter-season/kxbigskyopen-27","event_title":"When will Big Sky open for the 26/27 winter season?","chart_24h":[0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.05,0.06]},{"source":"kalshi","id":"KXBIGSKYOPEN-27-06DEC26","event_id":"KXBIGSKYOPEN-27","slug":"KXBIGSKYOPEN-27-06DEC26","question":"Will Big Sky open before Dec 6, 2026?","group_item_title":"Before Dec 6, 2026","description":"If the first calendar day in the 2026-27 winter season on which Big Sky Ski Resort conducts Seasonal Opening Operations occurs before Dec 6, 2026, then the market resolves to Yes.\n\n---\n\nHow this is resolved\nSeasonal Opening Operations require at least one passenger lift to carry members of the general public uphill for downhill skiing or snowboarding on terrain designated open for that use by Big Sky Ski Resort. \nThe opening calendar day is determined in Eastern Time.\nThe season runs from September 1 through August 31 of the following year. “Before” excludes the specified date. \nA name, branding, ownership, operator, or website change does not change the resort’s geographic identity. \nIf no Source Agency has documented Seasonal Opening Operations by expiration and there is insufficient information to determine their occurrence, the market resolves to last fair price, as determined by the Exchange in its sole discretion.\nIf Big Sky Ski Resort is decommissioned, the market resolves to No.\n\nPayout criteria\nAccess counts only when holders of a season pass valid for the specified season can use those lifts and terrain without an additional purchase.\nFree reservations and passholder-only days count.\nAny number of lifts, any amount of terrain, and any operating duration count.\n\nDoesn’t count for payout\nEmployee, contractor, invited-media, private-event, and separately purchased early-access or preview days do not count. \nScenic rides, mountain biking, hiking, tubing, and uphill-only access do not count.\nScheduled, projected, or announced opening dates do not count.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Big Sky Ski Resort. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.99,0.010000000000000009],"probability":0.99,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-22T16:00:00Z","end_date":"2026-12-12T15:00:00Z","closed_time":"2026-12-12T15:00:00Z","result":null,"volume":156244.39,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":40.1263542175293,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-11-07T16:01:53.440442Z","fetched_at":"2026-11-07T16:01:53.440442Z","added_at":"2026-09-22T16:10:46.686173Z","url":"https://kalshi.com/markets/kxbigskyopen/when-will-big-sky-open-for-the-2627-winter-season/kxbigskyopen-27","event_title":"When will Big Sky open for the 26/27 winter season?","chart_24h":null},{"source":"kalshi","id":"KXBIGSKYOPEN-27-13DEC26","event_id":"KXBIGSKYOPEN-27","slug":"KXBIGSKYOPEN-27-13DEC26","question":"Will Big Sky open before Dec 13, 2026?","group_item_title":"Before Dec 13, 2026","description":"If the first calendar day in the 2026-27 winter season on which Big Sky Ski Resort conducts Seasonal Opening Operations occurs before Dec 13, 2026, then the market resolves to Yes.\n\n---\n\nHow this is resolved\nSeasonal Opening Operations require at least one passenger lift to carry members of the general public uphill for downhill skiing or snowboarding on terrain designated open for that use by Big Sky Ski Resort. \nThe opening calendar day is determined in Eastern Time.\nThe season runs from September 1 through August 31 of the following year. “Before” excludes the specified date. \nA name, branding, ownership, operator, or website change does not change the resort’s geographic identity. \nIf no Source Agency has documented Seasonal Opening Operations by expiration and there is insufficient information to determine their occurrence, the market resolves to last fair price, as determined by the Exchange in its sole discretion.\nIf Big Sky Ski Resort is decommissioned, the market resolves to No.\n\nPayout criteria\nAccess counts only when holders of a season pass valid for the specified season can use those lifts and terrain without an additional purchase.\nFree reservations and passholder-only days count.\nAny number of lifts, any amount of terrain, and any operating duration count.\n\nDoesn’t count for payout\nEmployee, contractor, invited-media, private-event, and separately purchased early-access or preview days do not count. \nScenic rides, mountain biking, hiking, tubing, and uphill-only access do not count.\nScheduled, projected, or announced opening dates do not count.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Big Sky Ski Resort. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.99,0.010000000000000009],"probability":0.99,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-22T16:00:00Z","end_date":"2026-12-19T15:00:00Z","closed_time":"2026-12-19T15:00:00Z","result":null,"volume":55883.5,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":33.523536682128906,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-11-08T02:03:10.740428Z","fetched_at":"2026-11-08T02:03:10.740428Z","added_at":"2026-09-22T16:10:46.686173Z","url":"https://kalshi.com/markets/kxbigskyopen/when-will-big-sky-open-for-the-2627-winter-season/kxbigskyopen-27","event_title":"When will Big Sky open for the 26/27 winter season?","chart_24h":null},{"source":"kalshi","id":"KXBIGSKYOPEN-27-15NOV26","event_id":"KXBIGSKYOPEN-27","slug":"KXBIGSKYOPEN-27-15NOV26","question":"Will Big Sky open before Nov 15, 2026?","group_item_title":"Before Nov 15, 2026","description":"If the first calendar day in the 2026-27 winter season on which Big Sky Ski Resort conducts Seasonal Opening Operations occurs before Nov 15, 2026, then the market resolves to Yes.\n\n---\n\nHow this is resolved\nSeasonal Opening Operations require at least one passenger lift to carry members of the general public uphill for downhill skiing or snowboarding on terrain designated open for that use by Big Sky Ski Resort. \nThe opening calendar day is determined in Eastern Time.\nThe season runs from September 1 through August 31 of the following year. “Before” excludes the specified date. \nA name, branding, ownership, operator, or website change does not change the resort’s geographic identity. \nIf no Source Agency has documented Seasonal Opening Operations by expiration and there is insufficient information to determine their occurrence, the market resolves to last fair price, as determined by the Exchange in its sole discretion.\nIf Big Sky Ski Resort is decommissioned, the market resolves to No.\n\nPayout criteria\nAccess counts only when holders of a season pass valid for the specified season can use those lifts and terrain without an additional purchase.\nFree reservations and passholder-only days count.\nAny number of lifts, any amount of terrain, and any operating duration count.\n\nDoesn’t count for payout\nEmployee, contractor, invited-media, private-event, and separately purchased early-access or preview days do not count. \nScenic rides, mountain biking, hiking, tubing, and uphill-only access do not count.\nScheduled, projected, or announced opening dates do not count.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Big Sky Ski Resort. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.01,"active":true,"closed":false,"start_date":"2026-09-22T16:00:00Z","end_date":"2026-11-21T15:00:00Z","closed_time":"2026-11-21T15:00:00Z","result":null,"volume":29950.07,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":-995.97,"normalized_vol_24hr":null,"normalized_volume":29.806995391845703,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-11-08T02:54:19.582338Z","fetched_at":"2026-11-08T02:54:19.582338Z","added_at":"2026-09-22T16:10:46.686173Z","url":"https://kalshi.com/markets/kxbigskyopen/when-will-big-sky-open-for-the-2627-winter-season/kxbigskyopen-27","event_title":"When will Big Sky open for the 26/27 winter season?","chart_24h":[0.01,0.01]}]}