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 6, 6:37 PM EST
Polymarket
In the upcoming US Open ATP singles match between Alex Michelsen and Tomas Etcheverry, scheduled for September 6, 2026 at 11:00AM ET: This market will resolve based on the final set score of the Alex Michelsen vs. Tomas Etcheverry 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 Alex Michelsen and Tomas Etcheverry, scheduled for September 6, 2026 at 11:00AM ET: This market will resolve based on the final set score of the Alex Michelsen vs. Tomas Etcheverry 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, ensuring a profit margin, and may be influenced by public betting patterns. This market, however, is driven by individuals directly forecasting the outcome, potentially leading to odds that more accurately reflect the true probabilities. While sportsbooks may initially set odds based on player rankings and statistics, this market evolves with new information and collective intelligence, potentially identifying discrepancies or undervalued outcomes compared to initial sportsbook offerings.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing different possible exact scores. The price of each share reflects the market's collective belief about the probability of that score occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the prices of these shares will fluctuate, providing a dynamic assessment of the likely outcome. The market’s price movements are a direct result of supply and demand for each potential score, creating a real-time forecast.
This market resolves around Sep 13, 2026, with the outcome confirmed once the official result of the Alex Michelsen vs. Tomas Etcheverry match is verifiable from credible public reporting. The exact score as determined by the official tournament organizers will be used to determine the winning shares in this market. Traders who hold shares corresponding to the correct score will be paid out according to the market's pricing at the time of resolution. The resolution process relies on publicly available, authoritative sources to ensure an objective and transparent outcome.
Several factors could influence trading activity and shift the probabilities within this market. Any news regarding player injuries, changes in playing conditions (weather, court surface), or even pre-match analysis from tennis experts could prompt traders to reassess their predictions. Unexpected performance in earlier rounds of the tournament, or shifts in public perception of the players' form, could also significantly impact the market. Furthermore, large trades by influential participants on Polymarket could create short-term price movements, reflecting a change in overall market sentiment.