TOTAL VOLUME:
$154.5b
24H VOL:
$271,200,656
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,922,627,141
420,368
Markets across
40,352
events
MATCHED EVENTS:
4,484
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 28, 3:09 PM EST
Polymarket
This market refers to the tennis match between Sofia Nahiara Nappi and Sofia Finchelstein in the W15 Neuquén, Main Draw, originally scheduled for October 28, 2026 at 10:00AM ET. This market will resolve to 'Sofia Nahiara Nappi' if Sofia Nahiara Nappi advances against Sofia Finchelstein. This market will resolve to 'Sofia Finchelstein' if Sofia Finchelstein advances against Sofia Nahiara Nappi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. 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 the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Sofia Nahiara Nappi and Sofia Finchelstein in the W15 Neuquén, Main Draw, originally scheduled for October 28, 2026 at 10:00AM ET. This market will resolve to 'Sofia Nahiara Nappi' if Sofia Nahiara Nappi advances against Sofia Finchelstein. This market will resolve to 'Sofia Finchelstein' if Sofia Finchelstein advances against Sofia Nahiara Nappi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. 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 the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market aggregates the views of many individuals with varying levels of knowledge. It’s common to see discrepancies between the two, especially before significant events or when new information emerges. Comparing the odds can reveal where the crowd believes there’s value or where sportsbooks may be overestimating or underestimating a particular outcome.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more people buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures that the market reflects the most up-to-date information and collective intelligence of the traders participating. The current price reflects the aggregated assessment of all participants.
This market resolves around Nov 4, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Nappi vs Finchelstein match, as reported by the governing tennis organization. The platform will verify the result against established sources to ensure accuracy and transparency. Traders will then be able to claim their winnings based on the final outcome. It’s important to monitor the event closely as the resolution date approaches.
Several factors could influence the price of this market before resolution. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could shift trader sentiment. Unexpected results in other matches involving these players might also impact the perceived likelihood of their success. Major upsets or surprising strategies employed during the match itself would also likely cause significant price movement. Monitoring tennis news and analyzing player statistics are key to understanding potential catalysts for shifts in this market.