{"source":"polymarket","id":"1013437","ticker":"ufc-ala1-joh9-2026-09-26","slug":"ufc-ala1-joh9-2026-09-26","title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","description":"This market will resolve to \"Alatengheili\" if Alatengheili is officially declared the winner of the fight against John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026.\n\nIt will resolve to \"John Castaneda\" if John Castaneda 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 October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":"2026-09-12T22:01:06Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":9661.234953999998,"volume_24hr":9118.365114,"volume_24h_change":null,"normalized_vol_24hr":30.860740661621094,"normalized_volume":19.139766693115234,"liquidity":138423.2881,"open_interest":8825.225352,"categories":["Sports"],"tags":[{"id":"1","slug":"sports","label":"Sports"},{"id":"279","slug":"ufc","label":"UFC"},{"id":"100639","slug":"games","label":"Games"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"O/U 0.5 Rounds","top_outcome_probability":0.925,"top_outcome_prob_24h_change":0.17000000000000004,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-09-26T02:22:55.720515Z","fetched_at":"2026-09-26T02:22:55.720515Z","added_at":"2026-09-12T22:10:37.566246Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26","chart_24h":[408.313767,412.313767,412.313767,412.313767,412.313767,412.313767,412.313767,412.313767,412.313767,412.313767,412.313767,412.313767,412.313767,393.89069,393.89069,393.89069,352.509106,388.83015499999993,388.830155,383.743109,383.743109,509.130475,639.393628,639.393628,600.932089,600.932089,608.589981,645.432085,645.432085,853.326817,8559.262552,8542.108705999999,8523.108705999999,8489.95486],"kind":"live","markets":[{"source":"polymarket","id":"4510375","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26","question":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","group_item_title":"Alatengheili vs. John Castaneda","description":"This market will resolve to \"Alatengheili\" if Alatengheili is officially declared the winner of the fight against John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026.\n\nIt will resolve to \"John Castaneda\" if John Castaneda 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 October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Alatengheili","John Castaneda"],"outcome_prices":[0.225,0.775],"probability":0.225,"spread":0.01,"active":true,"closed":false,"start_date":"2026-09-12T22:01:07Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":9661.234953999998,"volume_24hr":9118.365114,"prob_24h_change":-0.01999999999999999,"volume_24h_change":8766.051347,"normalized_vol_24hr":34.87922286987305,"normalized_volume":24.703195571899414,"liquidity":68566.3161,"categories":["Sports"],"countries":[],"updated_at":"2026-09-26T02:22:56.239269Z","fetched_at":"2026-09-26T02:22:56.239269Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.245,0.225,0.225,0.225,0.225]},{"source":"polymarket","id":"4510381","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-totals-0pt5","question":"O/U 0.5 Rounds","group_item_title":"O/U 0.5 Rounds","description":"Each market will resolve to \"Over\" if the fight between Alatengheili and John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, lasts beyond the listed round threshold.\n\nEach market will resolve to \"Under\" if the fight does not last beyond the listed round threshold.\n\nFor example:\n\n\"Over 0.5 Rounds\" will resolve \"Yes\" if the fight continues past the 2:30 mark of Round 1.\n\n\"Under 0.5 Rounds\" will resolve \"Yes\" if the fight ends before the 2:30 mark of Round 1.\n\nIf the fight ends exactly at the threshold, it will resolve \"50-50.\"\n\nIf the bout is not scored, postponed beyond October 10, 2026, or canceled, all options will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Over","Under"],"outcome_prices":[0.925,0.075],"probability":0.925,"spread":0.07,"active":true,"closed":false,"start_date":"2026-09-12T22:01:06Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.17000000000000004,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2488.0594,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T21:45:29.484699Z","fetched_at":"2026-09-25T21:45:29.484699Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-totals-0pt5","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, 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October 10, 2026, or canceled, all options will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Over","Under"],"outcome_prices":[0.835,0.165],"probability":0.835,"spread":0.07,"active":true,"closed":false,"start_date":"2026-09-12T22:01:09Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.010000000000000009,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2697.4286,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T23:15:02.897358Z","fetched_at":"2026-09-25T23:15:02.897358Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-totals-1pt5","event_title":"UFC Fight 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\"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Over","Under"],"outcome_prices":[0.725,0.275],"probability":0.725,"spread":0.03,"active":true,"closed":false,"start_date":"2026-09-12T22:01:14Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0050000000000000044,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":22364.5322,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T19:56:41.246720Z","fetched_at":"2026-09-25T19:56:41.246720Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-totals-2pt5","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.72,0.725,0.725,0.725]},{"source":"polymarket","id":"4510376","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-go-the-distance","question":"Fight to Go the Distance?","group_item_title":"Fight to Go the Distance?","description":"This market will resolve to \"Yes\" if the fight between Alatengheili and John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, goes the full scheduled number of rounds and the result is determined by the judges' scorecards. Otherwise, it will resolve to \"No.\"\n\nDraws decided by the judges' scorecards after all scheduled rounds are completed will resolve \"Yes.\" Technical decisions or technical draws declared before all rounds are completed will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.7,0.3],"probability":0.7,"spread":0.04,"active":true,"closed":false,"start_date":"2026-09-12T22:01:10Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3782.1171,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T19:56:41.246720Z","fetched_at":"2026-09-25T19:56:41.246720Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-go-the-distance","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.7,0.7,0.7]},{"source":"polymarket","id":"4510393","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-decision-or-draw","question":"Will the fight end in a decision or draw?","group_item_title":"Decision or Draw","description":"This market will resolve to \"Yes\" if the fight between Alatengheili and John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, is decided by the judges' scorecards or officially declared a draw, including unanimous, split, majority, and technical decisions, and technical draws. It will resolve to \"No\" if the fight ends by KO, TKO, submission, or disqualification.\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.695,0.305],"probability":0.695,"spread":0.29,"active":true,"closed":false,"start_date":"2026-09-12T22:01:13Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.02499999999999991,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2437.3824,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T21:45:29.484699Z","fetched_at":"2026-09-25T21:45:29.484699Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-decision-or-draw","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.675,0.67,0.695]},{"source":"polymarket","id":"4510384","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-win-by-decision","question":"Will the fight be won by decision?","group_item_title":"Fight won by decision?","description":"This market will resolve to \"Yes\" if the fight between Alatengheili and John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, is won by decision, including unanimous, split, majority, and technical decisions. Otherwise, it will resolve to \"No.\"\n\nIf the fight ends in a draw or by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.69,0.31],"probability":0.69,"spread":0.28,"active":true,"closed":false,"start_date":"2026-09-12T22:01:12Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.019999999999999907,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2449.0385,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T23:15:02.897358Z","fetched_at":"2026-09-25T23:15:02.897358Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-win-by-decision","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.665,0.665,0.67,0.665,0.665,0.69,0.695,0.69]},{"source":"polymarket","id":"4510386","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-ends-before-round-3","question":"Will the fight end before Round 3?","group_item_title":"Ends before Round 3?","description":"This market will resolve to \"Yes\" if the fight between Alatengheili and John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, officially ends before Round 3 begins. Otherwise, it will resolve to \"No.\"\n\nA stoppage between rounds, including a doctor or corner stoppage, counts as ending in the round that has just been completed, so a fight stopped between Round 2 and Round 3 will resolve \"Yes.\"\n\nIf the fight goes to the judges' scorecards after all scheduled rounds are completed, it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.22,0.78],"probability":0.22,"spread":0.04,"active":true,"closed":false,"start_date":"2026-09-12T22:01:06Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3442.9233,"categories":["Sports"],"countries":[],"updated_at":"2026-09-26T01:32:20.247119Z","fetched_at":"2026-09-26T01:32:20.247119Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-ends-before-round-3","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.215,0.22,0.22,0.22,0.215,0.22]},{"source":"polymarket","id":"4510377","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-win-by-ko-tko","question":"Will the fight be won by KO or TKO?","group_item_title":"Fight won by KO/TKO?","description":"This market will resolve to \"Yes\" if the fight between Alatengheili and John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, ends by KO or TKO, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nIf the fight ends in a draw or by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.215,0.785],"probability":0.215,"spread":0.27,"active":true,"closed":false,"start_date":"2026-09-12T22:01:07Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.07499999999999998,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2524.7959,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T23:36:44.474764Z","fetched_at":"2026-09-25T23:36:44.474764Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-win-by-ko-tko","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.29,0.28,0.295,0.22,0.215]},{"source":"polymarket","id":"4510379","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-castaneda-win-by-ko-tko","question":"Will John Castaneda win by KO or TKO?","group_item_title":"Castaneda to win by KO/TKO?","description":"This market will resolve to \"Yes\" if John Castaneda defeats Alatengheili at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, by KO or TKO, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nIf the fight ends in a draw or by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.16,0.84],"probability":0.16,"spread":0.16,"active":true,"closed":false,"start_date":"2026-09-12T22:01:08Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.12000000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3082.8244,"categories":["Sports"],"countries":[],"updated_at":"2026-09-26T02:22:56.239269Z","fetched_at":"2026-09-26T02:22:56.239269Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-castaneda-win-by-ko-tko","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.28,0.28,0.285,0.28,0.285,0.16,0.155,0.165,0.16,0.175]},{"source":"polymarket","id":"4510378","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-alatengheili-win-by-ko-tko","question":"Will Alatengheili win by KO or TKO?","group_item_title":"Alatengheili to win by KO/TKO?","description":"This market will resolve to \"Yes\" if Alatengheili defeats John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, by KO or TKO, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nIf the fight ends in a draw or by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.13,0.87],"probability":0.13,"spread":0.14,"active":true,"closed":false,"start_date":"2026-09-12T22:01:12Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.14500000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3539.9185,"categories":["Sports"],"countries":[],"updated_at":"2026-09-26T02:22:56.239269Z","fetched_at":"2026-09-26T02:22:56.239269Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-alatengheili-win-by-ko-tko","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.275,0.265,0.275,0.135,0.135,0.135,0.13,0.14]},{"source":"polymarket","id":"4510390","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-castaneda-win-in-round-1","question":"Will John Castaneda win in Round 1?","group_item_title":"Castaneda in Round 1","description":"This market will resolve to \"Yes\" if John Castaneda defeats Alatengheili at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, by KO, TKO, or submission that ends the fight in Round 1, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nA stoppage between rounds, including a doctor or corner stoppage, counts as ending in the round that has just been completed.\n\nIf the fight is won in a different round, is won by decision, ends in a draw, or is won by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.125,0.875],"probability":0.125,"spread":0.19,"active":true,"closed":false,"start_date":"2026-09-12T22:01:14Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.135,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2244.0812,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T21:45:29.484699Z","fetched_at":"2026-09-25T21:45:29.484699Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-castaneda-win-in-round-1","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.265,0.27,0.265,0.265,0.125]},{"source":"polymarket","id":"4510380","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-win-by-submission","question":"Will the fight be won by submission?","group_item_title":"Fight won by submission?","description":"This market will resolve to \"Yes\" if the fight between Alatengheili and John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, ends by submission, including tapout, verbal submission, or technical submission (referee stoppage due to a submission hold). Otherwise, it will resolve to \"No.\"\n\nIf the fight ends in a draw or by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.12,0.88],"probability":0.12,"spread":0.16,"active":true,"closed":false,"start_date":"2026-09-12T22:01:07Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.14500000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2919.2041,"categories":["Sports"],"countries":[],"updated_at":"2026-09-26T02:22:56.239269Z","fetched_at":"2026-09-26T02:22:56.239269Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-win-by-submission","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.27,0.27,0.265,0.255,0.26,0.27,0.12,0.125,0.12,0.135]},{"source":"polymarket","id":"4510385","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-ends-before-round-2","question":"Will the fight end before Round 2?","group_item_title":"Ends before Round 2?","description":"This market will resolve to \"Yes\" if the fight between Alatengheili and John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, officially ends before Round 2 begins. Otherwise, it will resolve to \"No.\"\n\nA stoppage between rounds, including a doctor or corner stoppage, counts as ending in the round that has just been completed, so a fight stopped between Round 1 and Round 2 will resolve \"Yes.\"\n\nIf the fight goes to the judges' scorecards after all scheduled rounds are completed, it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.12,0.88],"probability":0.12,"spread":0.04,"active":true,"closed":false,"start_date":"2026-09-12T22:01:13Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2693.7029,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T19:56:41.246720Z","fetched_at":"2026-09-25T19:56:41.246720Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-ends-before-round-2","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.115,0.12,0.12,0.12,0.12,0.12,0.12,0.12]},{"source":"polymarket","id":"4510391","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-castaneda-win-in-round-2","question":"Will John Castaneda win in Round 2?","group_item_title":"Castaneda in Round 2","description":"This market will resolve to \"Yes\" if John Castaneda defeats Alatengheili at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, by KO, TKO, or submission that ends the fight in Round 2, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nA stoppage between rounds, including a doctor or corner stoppage, counts as ending in the round that has just been completed.\n\nIf the fight is won in a different round, is won by decision, ends in a draw, or is won by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.12,0.88],"probability":0.12,"spread":0.18,"active":true,"closed":false,"start_date":"2026-09-12T22:01:13Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.14,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2456.0919,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T21:45:29.484699Z","fetched_at":"2026-09-25T21:45:29.484699Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-castaneda-win-in-round-2","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.265,0.265,0.12]},{"source":"polymarket","id":"4510392","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-castaneda-win-in-round-3","question":"Will John Castaneda win in Round 3?","group_item_title":"Castaneda in Round 3","description":"This market will resolve to \"Yes\" if John Castaneda defeats Alatengheili at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, by KO, TKO, or submission that ends the fight in Round 3, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nA stoppage between rounds, including a doctor or corner stoppage, counts as ending in the round that has just been completed.\n\nIf the fight is won in a different round, is won by decision, ends in a draw, or is won by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.115,0.885],"probability":0.115,"spread":0.17,"active":true,"closed":false,"start_date":"2026-09-12T22:01:09Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.14500000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2628.5935,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T22:07:14.255557Z","fetched_at":"2026-09-25T22:07:14.255557Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-castaneda-win-in-round-3","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.265,0.26,0.265,0.265,0.115]},{"source":"polymarket","id":"4510387","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-alatengheili-win-in-round-1","question":"Will Alatengheili win in Round 1?","group_item_title":"Alatengheili in Round 1","description":"This market will resolve to \"Yes\" if Alatengheili defeats John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, by KO, TKO, or submission that ends the fight in Round 1, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nA stoppage between rounds, including a doctor or corner stoppage, counts as ending in the round that has just been completed.\n\nIf the fight is won in a different round, is won by decision, ends in a draw, or is won by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.105,0.895],"probability":0.105,"spread":0.15,"active":true,"closed":false,"start_date":"2026-09-12T22:01:15Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.15500000000000003,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2319.9323,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T21:45:29.484699Z","fetched_at":"2026-09-25T21:45:29.484699Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-alatengheili-win-in-round-1","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.265,0.265,0.265,0.26,0.265,0.26,0.26,0.265,0.265,0.105]},{"source":"polymarket","id":"4510388","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-alatengheili-win-in-round-2","question":"Will Alatengheili win in Round 2?","group_item_title":"Alatengheili in Round 2","description":"This market will resolve to \"Yes\" if Alatengheili defeats John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, by KO, TKO, or submission that ends the fight in Round 2, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nA stoppage between rounds, including a doctor or corner stoppage, counts as ending in the round that has just been completed.\n\nIf the fight is won in a different round, is won by decision, ends in a draw, or is won by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.105,0.895],"probability":0.105,"spread":0.15,"active":true,"closed":false,"start_date":"2026-09-12T22:01:08Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.15500000000000003,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2058.1413,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T21:45:29.484699Z","fetched_at":"2026-09-25T21:45:29.484699Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-alatengheili-win-in-round-2","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.265,0.26,0.265,0.105]},{"source":"polymarket","id":"4510389","event_id":"1013437","slug":"ufc-ala1-joh9-2026-09-26-alatengheili-win-in-round-3","question":"Will Alatengheili win in Round 3?","group_item_title":"Alatengheili in Round 3","description":"This market will resolve to \"Yes\" if Alatengheili defeats John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026, by KO, TKO, or submission that ends the fight in Round 3, including referee stoppage, doctor stoppage, or corner stoppage. Otherwise, it will resolve to \"No.\"\n\nA stoppage between rounds, including a doctor or corner stoppage, counts as ending in the round that has just been completed.\n\nIf the fight is won in a different round, is won by decision, ends in a draw, or is won by disqualification (either fighter), it will resolve \"No.\"\n\nIf the bout is ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve \"50-50.\"\n\nThe resolution source for this market will be official information from the UFC.","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":["Yes","No"],"outcome_prices":[0.1,0.9],"probability":0.1,"spread":0.14,"active":true,"closed":false,"start_date":"2026-09-12T22:01:10Z","end_date":"2026-09-27T03:59:59.999000Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.16,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2078.8922,"categories":["Sports"],"countries":[],"updated_at":"2026-09-25T21:45:29.484699Z","fetched_at":"2026-09-25T21:45:29.484699Z","added_at":"2026-09-12T22:10:37.663040Z","url":"https://polymarket.com/event/ufc-ala1-joh9-2026-09-26/ufc-ala1-joh9-2026-09-26-alatengheili-win-in-round-3","event_title":"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)","chart_24h":[0.265,0.27,0.265,0.265,0.265,0.1]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/1013437","as_of":"2026-09-26T02:43:03.879573Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"UFC Fight Night: Alatengheili vs. John Castaneda (Bantamweight, Prelims)\" — top market at 22% probability across 19 outcomes","source_url":null}}