TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 30, 8:50 PM EST
Kalshi
This market tracks who will win the first set in the upcoming tennis match between Mariano Navone and Novak Djokovic at the 2026 US Open. On Kalshi, Novak Djokovic winning set 1 currently has a probability of 77.0%, while Mariano Navone winning set 1 is at 35.0%. The match resolution will follow official match results. Watch for the match start on 2026-08-30, which will determine the set 1 winner.
The market resolves based on which player wins the first set of the designated professional tennis match at the 2026 US Open Men Singles Round Of 128. If the match fails to commence—due to injury, walkover, forfeiture, or other cancellations before any play begins—the market settles at a fair price. Postponements or delays keep the market open and close only after the rescheduled match concludes, with a two-week window for final settlement. In cases of retirement during the match, any markets that can be definitively settled using completed play will do so, while unresolved markets are priced fairly at the Exchange’s discretion. The Exchange explicitly disclaims any official affiliation with the governing league, and all trademarks remain property of their respective owners.
Prediction market odds on this market often reflect detailed trader sentiment and can diverge from traditional sportsbook lines. While sportsbooks may set their odds based on broader analytics and public betting patterns, prediction markets allow participants to bet directly on their own assessments of who will win Set 1. This can lead to tighter pricing or sharper shifts as new information emerges, especially when insider insights or real-time updates influence trader behavior.
This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match result, specifically who wins the first set, and will be updated automatically once the match concludes and the data is publicly available.
Key signals that could shift this market include practice session reports, player injuries or withdrawals, weather conditions affecting the match, and any recent performance trends or ranking changes. As these developments unfold, traders will react, potentially causing rapid changes in odds. Media commentary and pre-match betting trends may also influence sentiment and drive volume in either direction before the match begins.