{"source":"polymarket","id":"735009","ticker":"zuffa-walli-siren-2026-07-26","slug":"zuffa-walli-siren-2026-07-26","title":"Zuffa Boxing 9: Wallin vs. Sirenko (Heavyweight, Prelims)","description":"This market will resolve to \"Wallin\" if Otto Wallin is officially declared the winner of the fight against Vladyslav Sirenko at Zuffa Boxing 9: Berlanga vs. Butler, scheduled for July 26, 2026.\n\nIt will resolve to \"Sirenko\" if Vladyslav Sirenko is officially declared the winner.\n\nIf the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond August 9, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from https://www.ufc.com/.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/ufc-logo-37bbbd28e6.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/ufc-logo-37bbbd28e6.png","active":true,"closed":false,"start_date":"2026-07-22T22:00:31Z","end_date":"2026-07-27T03:59:59.999000Z","closed_time":null,"volume":6960.890287999999,"volume_24hr":6679.791604999999,"volume_24h_change":null,"normalized_vol_24hr":11.645097732543945,"normalized_volume":6.722529888153076,"liquidity":46849.69666,"open_interest":2994.758596,"categories":["Sports"],"tags":[{"id":"1","slug":"sports","label":"Sports"},{"id":"100639","slug":"games","label":"Games"},{"id":"683","slug":"boxing","label":"Boxing"},{"id":"103213","slug":"zuffa","label":"Zuffa"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Wallin vs. Sirenko","top_outcome_probability":0.0005,"top_outcome_prob_24h_change":-0.030000000000000027,"top_outcome_volume_24h_change":128.390168,"updated_at":"2026-07-27T01:58:39.693430Z","fetched_at":"2026-07-27T01:58:39.693430Z","added_at":"2026-07-22T22:06:55.805865Z","url":"https://polymarket.com/event/zuffa-walli-siren-2026-07-26","chart_24h":null,"markets":[{"source":"polymarket","id":"3045199","event_id":"735009","slug":"zuffa-walli-siren-2026-07-26","question":"Zuffa Boxing 9: Wallin vs. Sirenko (Heavyweight, Prelims)","group_item_title":"Wallin vs. Sirenko","description":"This market will resolve to \"Wallin\" if Otto Wallin is officially declared the winner of the fight against Vladyslav Sirenko at Zuffa Boxing 9: Berlanga vs. Butler, scheduled for July 26, 2026.\n\nIt will resolve to \"Sirenko\" if Vladyslav Sirenko is officially declared the winner.\n\nIf the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond August 9, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from https://www.ufc.com/.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/ufc-logo-37bbbd28e6.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/ufc-logo-37bbbd28e6.png","outcomes":["Wallin","Sirenko"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-07-22T22:00:31Z","end_date":"2026-07-27T03:59:59.999000Z","closed_time":null,"volume":6960.890287999999,"volume_24hr":6679.791604999999,"prob_24h_change":-0.030000000000000027,"volume_24h_change":128.390168,"normalized_vol_24hr":13.004599571228027,"normalized_volume":9.190874099731445,"liquidity":46849.69666,"categories":["Sports"],"countries":[],"updated_at":"2026-07-27T01:58:39.899353Z","fetched_at":"2026-07-27T01:58:39.899353Z","added_at":"2026-07-22T22:06:55.885975Z","url":"https://polymarket.com/event/zuffa-walli-siren-2026-07-26/zuffa-walli-siren-2026-07-26","event_title":"Zuffa Boxing 9: Wallin vs. Sirenko (Heavyweight, Prelims)","chart_24h":null}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/735009","as_of":"2026-07-27T10:47:13.515448Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Zuffa Boxing 9: Wallin vs. Sirenko (Heavyweight, Prelims)\" — top market at 0% probability across 1 outcome","source_url":null}}