TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 11, 9:09 AM EST
Polymarket
This market tracks whether Brandon Nakashima will win by at least 1.5 games against Alexander Bublik in their Shanghai Rolex Masters match. Currently, Polymarket gives a 50.0% probability to Game Spread: Brandon Nakashima (-1.5) vs Alexander Bublik (+1.5). Resolution will be based on the official scores reported at https://www.atptour.com/en/scores/current. Keep an eye on the match itself, originally scheduled for October 11, 2026 at 10:00PM ET, as the outcome will depend on the performance of both players during that fixture.
This market refers to the tennis match between Alexander Bublik and Brandon Nakashima in the Shanghai Rolex Masters, originally scheduled for October 11, 2026 at 10:00PM ET. This market will resolve to 'Alexander Bublik' if Alexander Bublik advances against Brandon Nakashima. This market will resolve to 'Brandon Nakashima' if Brandon Nakashima advances against Alexander Bublik. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Often, prediction market odds reflect a different perspective than those offered by traditional sportsbooks. Sportsbooks set lines to balance their risk and ensure profit, factoring in a ‘vig’ or commission. This market, however, is driven purely by the collective wisdom of traders who are incentivized to accurately forecast the outcome. If a significant number of people believe a particular player will win, the odds will shift accordingly, potentially offering a different value than you might find at a sportsbook. It's a good practice to compare both to inform your decision-making.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the likelihood of each outcome – in this case, either Bublik or Nakashima winning the match. As more shares are purchased for a specific player, the price of those shares increases, reflecting a higher implied probability of that player winning. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movement is entirely dependent on supply and demand within the market itself, creating a dynamic and real-time assessment of the potential result.
This market resolves around Oct 19, 2026, with the outcome confirmed once the winner of the Bublik vs Nakashima match is verifiable from credible public reporting. The resolution will be based on the official result declared by the tournament organizers. The platform will then determine the winning shares and distribute payouts accordingly. Traders will be able to see the final outcome and the resolution process details on Polymarket following the match’s completion.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or even updated analysis from tennis experts could prompt traders to reassess their predictions. Unexpected results in earlier rounds of the tournament, or even comments from the players themselves, could also have a significant impact. Monitoring these signals and understanding how they might affect the players’ performance is key to understanding potential movements in this market before Oct 19, 2026.