TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 10:44 PM EST
Kalshi
This market focuses on determining which player will win the third set of a specific tennis match at the 2026 US Open. It reflects the competitive performance of the two athletes in a high-stakes Grand Slam tournament. The outcome depends entirely on the players' abilities and strategies during that particular set.
If Felix Auger-Aliassime wins set 3 in the Felix Auger-Aliassime vs Rinky Hijikata professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes. If Rinky Hijikata wins set 3 in the Felix Auger-Aliassime vs Rinky Hijikata professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes.
On Kalshi, traders in the Set 3 winner market set prices based on their expectations for the match's third set. Sportsbook odds reflect bookmakers' assessments, which may differ due to varying risk models and market access. Prediction market odds often shift more rapidly with new information, such as player form or in-game momentum, while sportsbooks may smooth changes to manage liability. Comparing both can reveal where public sentiment diverges from professional betting insights. The dynamics of this market make it particularly responsive to live updates from the match.
This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner of Set 3 will be determined by the official match result, and the market will close accordingly, reflecting the final on-court contest between the two players.
Key signals that could shift this market include updates on player injuries, weather conditions affecting play, and strategic adjustments made during the match. Media reports and expert commentary may also influence trader sentiment. As Aug 30, 2026 approaches, any shift in momentum during the ongoing sets can dramatically reshape expectations for Set 3. Real-time score updates and player performance stats are the primary drivers, with sudden breaks or service wins often prompting rapid price adjustments on Kalshi.