TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Cincinnati Open (Doubles): Nys/Roger-Vasselin vs Doumbia/Reboul
- Polymarket
Cincinnati Open (Doubles): Nys/Roger-Vasselin vs Doumbia/Reboul - Polymarket
1W
News
Positive
Negative
Neutral
Hover marker for details
Vol.
·
Resolved Aug 21, 2026
Closed: Aug 21, 3:50 PM EST
Polymarket
This market refers to the doubles tennis match between Nys/Roger-Vasselin and Doumbia/Reboul in the Cincinnati Open, originally scheduled for August 21, 2026 at 12:30PM ET. This market will resolve to 'Nys/Roger-Vasselin' if the team of Nys/Roger-Vasselin advances against Doumbia/Reboul. This market will resolve to 'Doumbia/Reboul' if the team of Doumbia/Reboul advances against Nys/Roger-Vasselin. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Nys/Roger-Vasselin and Doumbia/Reboul in the Cincinnati Open, originally scheduled for August 21, 2026 at 12:30PM ET. This market will resolve to 'Nys/Roger-Vasselin' if the team of Nys/Roger-Vasselin advances against Doumbia/Reboul. This market will resolve to 'Doumbia/Reboul' if the team of Doumbia/Reboul advances against Nys/Roger-Vasselin. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 in this market often differ from traditional sportsbook lines due to the decentralized nature of trader-driven pricing. While sportsbooks may set their lines based on broader analytics and betting patterns, prediction markets let participants bet directly on their beliefs, which can lead to sharper or more volatile pricing. Traders watch both sources for discrepancies, but the dynamics of each market mean they can move independently based on different signals and participant behavior.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through a continuous order book where traders submit bids and asks to set the odds. The current implied probability reflects the balance of buy and sell orders, with liquidity providers helping to narrow spreads. As new information emerges — such as player injuries or weather updates — traders adjust their positions, shifting the market price based on collective expectations for the match outcome.
This market resolves around Aug 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match outcome, which is then automatically matched to the market’s defined payouts. Traders can monitor reputable sports news and tournament updates as the event approaches to anticipate the final settlement.
In the run-up to resolution, several signals could shift this market. Key updates include player injuries, weather forecasts affecting match conditions, changes to the tournament schedule, and performance trends from recent matches. Any news that impacts the perceived strength or likelihood of success for either team can cause traders to reassess their positions, leading to noticeable price swings as the market reacts to new information.