TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 9, 3:03 PM EST
Polymarket
This market refers to the tennis match between Luis Guto Miguel and Kai Thompson in the US Open Juniors, Boys, originally scheduled for September 9, 2026 at 11:00AM ET. This market will resolve to 'Luis Guto Miguel' if Luis Guto Miguel advances against Kai Thompson. This market will resolve to 'Kai Thompson' if Kai Thompson advances against Luis Guto Miguel. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 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.
This market refers to the tennis match between Luis Guto Miguel and Kai Thompson in the US Open Juniors, Boys, originally scheduled for September 9, 2026 at 11:00AM ET. This market will resolve to 'Luis Guto Miguel' if Luis Guto Miguel advances against Kai Thompson. This market will resolve to 'Kai Thompson' if Kai Thompson advances against Luis Guto Miguel. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 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.
On Polymarket, this market is priced through a continuous trading mechanism where users buy and sell shares representing the probability of each player winning. The price of a share directly corresponds to the implied probability of that outcome. As more traders buy shares in a particular player, the price increases, reflecting a higher perceived chance of victory. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is driven by supply and demand, and traders are incentivized to accurately assess the likelihood of each outcome to profit from successful predictions.
This market resolves around Sep 16, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the US Open Juniors Boys match, determining which player ultimately wins. The platform will verify the result against established sports news sources and official tournament records to ensure accuracy. Traders holding shares in the winning player will receive a payout equivalent to 100 shares per winning outcome, while shares in the losing player will be worth zero.
Several factors could significantly influence this market before the match concludes. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could shift the odds. Unexpected upsets in earlier rounds of the tournament, or even comments from coaches or analysts, could also impact market sentiment. Furthermore, the perceived momentum of each player during the match itself will likely cause fluctuations in the price of shares, as traders react to real-time developments and adjust their predictions accordingly.