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: Sep 4, 8:41 PM EST
Polymarket
In the upcoming US Open ATP singles match between Tomas Etcheverry and Mariano Navone, scheduled for September 4, 2026 at 11:00AM ET: This market will resolve based on the final set score of the Tomas Etcheverry vs. Mariano Navone match. This match is played in a best-of-5-sets format. The possible outcomes are 3-0, 3-1, “Not Completed”, and 3-2 in either direction. If the match is canceled (not played at all), or is delayed beyond 14 days from the scheduled date at 11:59 PM ET without completion, this market will resolve to 'Not Completed'. 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 'Not Completed' regardless of the set score at the time. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 'Not Completed'. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
In the upcoming US Open ATP singles match between Tomas Etcheverry and Mariano Navone, scheduled for September 4, 2026 at 11:00AM ET: This market will resolve based on the final set score of the Tomas Etcheverry vs. Mariano Navone match. This match is played in a best-of-5-sets format. The possible outcomes are 3-0, 3-1, “Not Completed”, and 3-2 in either direction. If the match is canceled (not played at all), or is delayed beyond 14 days from the scheduled date at 11:59 PM ET without completion, this market will resolve to 'Not Completed'. 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 'Not Completed' regardless of the set score at the time. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 'Not Completed'. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Comparing prediction market odds to sportsbook odds reveals how the wisdom of the crowd differs from professional oddsmakers. Sportsbooks often set initial lines based on team or player statistics and expert analysis, while this market reflects the collective predictions of many individual traders. Discrepancies can arise due to differing information, biases, or simply varying interpretations of the same data. If significant differences exist, opportunities for arbitrage may emerge, where traders can profit by simultaneously betting on both platforms.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in each possible outcome. The price of a share directly reflects the probability of that outcome occurring, as determined by supply and demand. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders buy shares in a particular outcome, its price increases, and vice versa. This dynamic pricing ensures that the market odds constantly adjust to incorporate new information and changing sentiment regarding the Etcheverry vs. Navone match.
This market resolves around Sep 11, 2026, with the outcome confirmed once the final, official score of the Etcheverry vs. Navone match is verifiable from credible public reporting. The exact score determined by the official tournament results will be used to determine the winning outcome in this market. The resolution will be based on the officially recorded score, ensuring a transparent and verifiable result for all traders participating in this market.
Several signals or events could significantly move this market before resolution. Any news regarding player injuries, changes in playing conditions, or updated match analysis from tennis experts could influence trader sentiment. Unexpected results in earlier rounds of the tournament, or even comments from the players themselves, might also shift probabilities. Furthermore, large-volume trades on Polymarket by informed traders could indicate a change in expectations and trigger further price movements in this market.