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 22, 9:30 PM EST
Polymarket
This market tracks whether the combined games in the Cincinnati Open match between Brandon Nakashima and Frances Tiafoe will exceed 21.5 games on Polymarket, using ATP Tour data for resolution. The current probability for this outcome sitting at 100%. The match was originally scheduled for August 22, 2026 at 6:00PM ET, and the market will resolve based on the official result published on the ATP Tour website. Keep an eye on the official match conclusion, expected no later than August 29, 2026, for resolution.
This market refers to the tennis match between Brandon Nakashima and Frances Tiafoe in the Cincinnati Open, originally scheduled for August 22, 2026 at 6:00PM ET. This market will resolve to 'Brandon Nakashima' if Brandon Nakashima advances against Frances Tiafoe. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Brandon Nakashima. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 5, 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, 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 trading process where participants buy and sell contracts representing each possible outcome. The current probability displayed reflects the ratio of outstanding contracts for each result, adjusted for liquidity and recent trade volume. Traders’ expectations, recent performance news about the players, and overall market interest all feed into these dynamic adjustments, creating a live, community-driven forecast of who will win.
This market resolves around Aug 29, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The winner determined on court settles this market, aligning with the official tournament records. Traders can track updates as the event approaches, but the final resolution depends solely on the match’s confirmed result from authoritative sports news and tournament sources.
Several signals could shift probabilities in this market before it resolves, including last-minute player injuries, changes to the match schedule, weather conditions affecting play, and recent form or performance in lead-up tournaments. Any public news or official announcements relating to the athletes’ readiness or the venue itself may also cause traders to reassess their positions, leading to noticeable changes in the market odds as betting activity responds to new information.