TOTAL VOLUME:
$134.2b
24H VOL:
$143,246,370
24H TRANSACTIONS:
2,403,290,006
OPEN INTEREST:
$1,452,035,386
405,032
Markets across
30,543
events
MATCHED EVENTS:
2,690
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 13, 9:33 PM EST
Polymarket
This market refers to the tennis match between Duarte C Rego and Luke Kelsall in the M25 Sintra, Qualifying, originally scheduled for September 13, 2026 at 8:00AM ET. This market will resolve to 'Duarte C Rego' if Duarte C Rego advances against Luke Kelsall. This market will resolve to 'Luke Kelsall' if Luke Kelsall advances against Duarte C Rego. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Duarte C Rego and Luke Kelsall in the M25 Sintra, Qualifying, originally scheduled for September 13, 2026 at 8:00AM ET. This market will resolve to 'Duarte C Rego' if Duarte C Rego advances against Luke Kelsall. This market will resolve to 'Luke Kelsall' if Luke Kelsall advances against Duarte C Rego. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds often reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market represents the collective wisdom of traders who are incentivized to accurately predict the outcome. Discrepancies can arise due to differing information, biases, or simply the varying motivations of bettors versus prediction market participants. If sportsbook odds significantly diverge from those seen here, it may indicate an opportunity for arbitrage or a disagreement about the true probability of a particular result.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders 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. The current price reflects the aggregated predictions of all participants, creating a dynamic and real-time assessment of the event's likelihood. This differs from fixed-odds betting, as the odds are constantly adjusting based on market activity.
This market resolves around Sep 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The official results of the M25 Sintra race will be used to determine the winning outcome. Resolution will occur promptly after the race concludes and the results are officially announced. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at the time of resolution. It’s important to monitor the official sources for the race results as they will be the basis for determining the market’s outcome.
Several factors could influence the price of shares in this market leading up to Sep 20, 2026. Any news regarding the condition or form of either Duarte C Rego or Luke Kelsall, such as injuries or recent race performances, would likely have a significant impact. Weather conditions on race day could also play a role, as certain racers may perform better in specific conditions. Unexpected announcements related to the race itself, such as changes to the course or rules, could also cause shifts in market sentiment and trading activity. Monitoring these signals will be key to understanding potential price movements.