TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 9, 4:51 AM EST
Polymarket
This market tracks whether Alexander Blockx will win by a margin of at least 1.5 games against Quentin Halys in their Shanghai Rolex Masters tennis match. Currently, Polymarket gives a 50.0% probability to Alexander Blockx (-1.5) winning against Quentin Halys (+1.5). The resolution source for this market is the official ATP Tour website at https://www.atptour.com/en/scores/current. Keep an eye on the match itself, originally scheduled for October 9, 2026 at 10:00PM ET, as the outcome will be determined by the final score reported following the conclusion of the game.
This market refers to the tennis match between Quentin Halys and Alexander Blockx in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET. This market will resolve to 'Quentin Halys' if Quentin Halys advances against Alexander Blockx. This market will resolve to 'Alexander Blockx' if Alexander Blockx advances against Quentin Halys. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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.
Prediction market odds often reflect the collective wisdom of a diverse group of bettors, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market is driven by individuals willing to put their capital behind their beliefs. While sportsbooks may initially have an edge due to their resources, prediction markets can sometimes outperform them, especially as more information becomes available and the event draws closer. It's common to see differences emerge as new developments impact perceived probabilities.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Halys vs Blockx match. The price of a share directly corresponds to the implied probability of that outcome occurring. As more people buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing reflects the aggregated sentiment of all participants, creating a real-time forecast of the match’s result. The current volume indicates the level of interest and conviction surrounding each potential winner.
This market resolves around Oct 17, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Shanghai Rolex Masters match between Quentin Halys and Alexander Blockx, as declared by the tournament organizers. The winner of the match will determine the winning outcome in this market. Any potential disputes or challenges to the official result will be considered according to Polymarket’s guidelines, but the official tournament result is the primary determinant.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updated match previews from tennis analysts could all impact trader sentiment. Unexpected results in earlier rounds of the tournament, or even comments from the players themselves, could also cause significant movement. Furthermore, large trades by influential participants on Polymarket could create short-term price fluctuations. Monitoring these signals will be key to understanding how the market evolves leading up to the match’s conclusion.