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Important information: If the fight ends in a draw/tie or no contest, this market will resolve No. If the fight is postponed or delayed, the market will remain open and close after the rescheduled fight has finished (within 7 days). If the fight is cancelled or rescheduled to over 7 days away, the market will resolve to a fair price in accordance with the rules. Sources: The Wall Street Journal, Fox Sports, and ESPN. This market and these products have not been endorsed by Zuffa LLC, d/b/a Ultimate Fighting Championship (UFC). Note: this event is mutually exclusive. Read the full contract [terms & conditions](https://assets.gemini.com/predictions/terms_and_conditions/Sporting_Win_Lose_Event_2_Terms_and_Conditions_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/enO9xnfkxGSdWrMuQ8f5I/4c82ff835d421bbc99f0e320a08f2088/153-united-states-of-america.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.99,0.02],"probability":0.99,"spread":0.01,"active":false,"closed":true,"start_date":"2026-09-26T09:00:00Z","end_date":"2026-09-27T14:09:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":0.38,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-27T03:07:13.432026Z","fetched_at":"2026-09-27T03:07:13.432026Z","added_at":"2026-09-23T19:01:35.821645Z","url":"https://www.gemini.com/predictions/UFC-ROS-BAR-20260927/rosas-jr-vs-barcelos","event_title":"Rosas Jr vs Barcelos","chart_24h":[0.61,0.59,0.59,0.99,0.99]},{"source":"gemini","id":"273003-676233","event_id":"273003","slug":"GEMI-UFC-ROS-BAR-20260927-BAR","question":"Raoni Barcelos","group_item_title":"Raoni Barcelos","description":"This market resolves to Yes if Raoni Barcelos wins the Rosas Jr vs Barcelos professional MMA fight scheduled for September 26, 2026 at 9:20 PM ET. Important information: If the fight ends in a draw/tie or no contest, this market will resolve No. If the fight is postponed or delayed, the market will remain open and close after the rescheduled fight has finished (within 7 days). If the fight is cancelled or rescheduled to over 7 days away, the market will resolve to a fair price in accordance with the rules. Sources: The Wall Street Journal, Fox Sports, and ESPN. This market and these products have not been endorsed by Zuffa LLC, d/b/a Ultimate Fighting Championship (UFC). Note: this event is mutually exclusive. Read the full contract [terms & conditions](https://assets.gemini.com/predictions/terms_and_conditions/Sporting_Win_Lose_Event_2_Terms_and_Conditions_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/1SX6c7VfQLt9ek9cNhk6SU/35a14e33b138d8d50c7efd12dac36625/250-brazil.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.68],"probability":0.02,"spread":0.08,"active":false,"closed":true,"start_date":"2026-09-26T09:00:00Z","end_date":"2026-09-27T14:09:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":-0.42,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-27T03:07:13.432026Z","fetched_at":"2026-09-27T03:07:13.432026Z","added_at":"2026-09-23T19:01:35.821645Z","url":"https://www.gemini.com/predictions/UFC-ROS-BAR-20260927/rosas-jr-vs-barcelos","event_title":"Rosas Jr vs Barcelos","chart_24h":[0.44,0.42,0.42,0.42,0.02,0.02]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/273003","as_of":"2026-09-27T05:48:53.537729Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Rosas Jr vs Barcelos\" — top market at 99% probability across 2 outcomes","source_url":null}}