TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 4:12 PM EST
Kalshi
This market tracks the outcome of the third set in a professional tennis match between Roman Safiullin and Carlos Alcaraz at the 2026 US Open. It focuses specifically on determining which player will claim victory in that particular set. The event reflects competitive performance under Grand Slam conditions, where players compete for crucial points that could influence their tournament progression.
The market resolves based on which player wins the third set of the specified US Open match. If the match fails to start due to injury, walkover, forfeiture, or cancellation, it resolves to a fair price. Postponements keep the market open until the rescheduled match concludes within two weeks. If either player retires after play has begun, markets determinable from completed play settle accordingly, while unresolved markets resolve to a Fair Market Price at the Exchange's discretion. Kalshi disclaims any official affiliation with the governing league, and all trademarks remain property of their respective owners.
On Kalshi, this market reflects trader sentiment rather than traditional sportsbook lines. Prediction market odds adjust dynamically based on real-time trading activity and can diverge from sportsbook odds due to different participant motivations and information inputs. While sportsbooks may incorporate expert analysis and risk management models, prediction markets aggregate crowd-sourced forecasts, often resulting in unique pricing perspectives. Traders should compare both sources to identify potential discrepancies or confirm their own outlook on the Set 3 winner market.
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 conclusion without additional interpretation or adjustment.
Key signals that could shift this market include player injuries, changes in serving performance, breaks of serve, and momentum swings during the match. Any announcement about player status, weather delays, or strategic adjustments may also influence trader sentiment. As the set progresses, real-time score updates and crowd reactions often drive rapid shifts in market odds.