TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 5, 7:00 AM EST
Polymarket
This market refers to the tennis match between Ryan Nijboer and Alejandro Manzanera Pertusa in the M15 Madrid, Main Draw, originally scheduled for September 5, 2026 at 4:30AM ET. This market will resolve to 'Ryan Nijboer' if Ryan Nijboer advances against Alejandro Manzanera Pertusa. This market will resolve to 'Alejandro Manzanera Pertusa' if Alejandro Manzanera Pertusa advances against Ryan Nijboer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 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 Ryan Nijboer and Alejandro Manzanera Pertusa in the M15 Madrid, Main Draw, originally scheduled for September 5, 2026 at 4:30AM ET. This market will resolve to 'Ryan Nijboer' if Ryan Nijboer advances against Alejandro Manzanera Pertusa. This market will resolve to 'Alejandro Manzanera Pertusa' if Alejandro Manzanera Pertusa advances against Ryan Nijboer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 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 traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market aggregates the views of many individuals with varying levels of knowledge. It’s common to see differences emerge, particularly as new information becomes available or public sentiment shifts. Comparing the odds can be insightful, but remember that each represents a different form of forecasting and has its own strengths and weaknesses.
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 these shares directly reflects 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 and new information emerges, the price adjusts to reflect the evolving consensus. The market’s liquidity, indicated by the trading volume, also influences how efficiently the price reflects the collective forecast. Currently, the market's volume is $4,229.
This market resolves around Sep 12, 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 Ryan Nijboer versus Alejandro Manzanera Pertusa tennis match in Madrid. The platform will verify the outcome against widely available sources to ensure accuracy and transparency. Traders will then be able to claim their winnings or adjust their positions based on the final result. The current trading volume suggests significant interest in this market’s outcome.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player form, injuries, or changes in playing conditions would likely have an impact. Unexpected upsets in earlier rounds of the tournament, or even weather forecasts affecting the match schedule, could also cause price movements. Public sentiment, reflected in social media and expert analysis, can also play a role, as traders react to new information and adjust their predictions. Monitoring these signals could provide insights into potential shifts in this market.