TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 2, 1:21 PM EST
Polymarket
This market refers to the tennis match between Harmony Tan and Sofia Johnson in the W50 Leiria, Main Draw, originally scheduled for September 2, 2026 at 11:30AM ET. This market will resolve to 'Harmony Tan' if Harmony Tan advances against Sofia Johnson. This market will resolve to 'Sofia Johnson' if Sofia Johnson advances against Harmony Tan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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 Harmony Tan and Sofia Johnson in the W50 Leiria, Main Draw, originally scheduled for September 2, 2026 at 11:30AM ET. This market will resolve to 'Harmony Tan' if Harmony Tan advances against Sofia Johnson. This market will resolve to 'Sofia Johnson' if Sofia Johnson advances against Harmony Tan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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 is driven by individuals willing to put their capital behind their beliefs. It’s common to see discrepancies, especially early on, as prediction markets can quickly incorporate new information and adjust probabilities based on real-time trading activity. Comparing these odds can be a useful exercise for informed decision-making.
On Polymarket, this market is priced through a continuous trading mechanism where users buy and sell shares representing their belief in the outcome of the Leiria tennis match. The price of these shares 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 believe Harmony Tan will win, the price of shares representing her victory increases, and vice versa for Sofia Johnson. This dynamic pricing ensures the market reflects the most up-to-date collective prediction.
This market resolves around Sep 9, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W50 Leiria tennis match between Harmony Tan and Sofia Johnson, as reported by a recognized tennis authority. The platform will verify the result against these sources to determine which outcome is the winner and settle the market accordingly. The final result will determine the payout for those who correctly predicted the winner.
Several factors could influence trading activity in this market. Any news regarding player form, such as injury reports or recent match results for either Harmony Tan or Sofia Johnson, could significantly shift probabilities. Unexpected weather conditions in Leiria could also play a role, potentially affecting playing style and match outcome. Furthermore, major shifts in public opinion or analysis from tennis experts could drive trading volume and alter the perceived chances of each player winning, leading to price fluctuations in this market.