TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 8, 11:27 PM EST
Polymarket
This market refers to the tennis match between Ryuki Matsuda and Yu Tanaka in the M25 Sapporo, Main Draw, originally scheduled for September 8, 2026 at 9:00PM ET. This market will resolve to 'Ryuki Matsuda' if Ryuki Matsuda advances against Yu Tanaka. This market will resolve to 'Yu Tanaka' if Yu Tanaka advances against Ryuki Matsuda. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 Ryuki Matsuda and Yu Tanaka in the M25 Sapporo, Main Draw, originally scheduled for September 8, 2026 at 9:00PM ET. This market will resolve to 'Ryuki Matsuda' if Ryuki Matsuda advances against Yu Tanaka. This market will resolve to 'Yu Tanaka' if Yu Tanaka advances against Ryuki Matsuda. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 the collective wisdom of a diverse group of forecasters, potentially differing from those set by traditional sportsbooks. Sportsbooks establish lines based on their own models and aim to balance action on both sides, while this market allows anyone to express their view. Discrepancies can arise due to differing information, biases, or simply variations in opinion. Analyzing these differences can offer valuable insights into public perception and potential value bets, though it's important to remember that neither is guaranteed to be correct.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate, the price adjusts to reflect the evolving consensus. Higher volume generally indicates greater confidence and more accurate price discovery, making it a key indicator to watch when assessing the market's signal.
This market resolves around Sep 16, 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 M25 Sapporo match between Ryuki Matsuda and Yu Tanaka. The platform will verify the result against widely available and trusted sources to ensure accuracy and transparency. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their stake.
Several factors could influence this market leading up to Sep 16, 2026. Any news regarding injuries to either Ryuki Matsuda or Yu Tanaka would likely cause significant shifts in the odds. Updates on their recent performance, training regimes, or strategic adjustments could also impact trader sentiment. Unexpected announcements about the match conditions, such as a change in venue or weather forecasts, could also play a role. Monitoring these signals will be crucial for anyone looking to capitalize on potential market movements.