TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 21, 1:27 PM EST
Polymarket
This market refers to the doubles tennis match between Frantzen/Haase and Arribage/Olivetti in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET. This market will resolve to 'Frantzen/Haase' if the team of Frantzen/Haase advances against Arribage/Olivetti. This market will resolve to 'Arribage/Olivetti' if the team of Arribage/Olivetti advances against Frantzen/Haase. 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 Frantzen/Haase and Arribage/Olivetti in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET. This market will resolve to 'Frantzen/Haase' if the team of Frantzen/Haase advances against Arribage/Olivetti. This market will resolve to 'Arribage/Olivetti' if the team of Arribage/Olivetti advances against Frantzen/Haase. 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.
On Polymarket, this market reflects trader sentiment rather than traditional sportsbook lines. Prediction market odds often differ due to speculative positioning and liquidity conditions. Traders may assign higher or lower probabilities based on market dynamics, whereas sportsbooks incorporate additional factors like historical performance and betting volume. The gap between the two can widen if Polymarket sees heavier volume or sharper movements. Monitoring both sides helps identify potential value shifts before Aug 28, 2026.
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 reflected in the market’s final settlement on Polymarket.
Key updates like player injuries, recent match performances, and weather conditions could shift expectations for this market. As Aug 28, 2026 approaches, any last-minute changes in team strategies or form may influence trader sentiment. Follow tournament news and analyst commentary to anticipate possible swings. The market will respond dynamically to new information until it settles.