W50 Yokohama: Kristiana Sidorova vs YeXin Ma Odds
Polymarket traders give YeXin Ma a >99% chance.
| Outcome | Chance | Odds | 24h |
|---|---|---|---|
| Kristiana Sidorova | <1% | +199900 | — |
| YeXin Ma | >99% | -199900 | — |
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Resolution rules
This market refers to the tennis match between Kristiana Sidorova and YeXin Ma in the W50 Yokohama, Main Draw, originally scheduled for November 9, 2026 at 11:00PM ET. This market will resolve to 'Kristiana Sidorova' if Kristiana Sidorova advances against YeXin Ma. This market will resolve to 'YeXin Ma' if YeXin Ma advances against Kristiana Sidorova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 23, 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.
Source: Polymarket. The venue's rules are final.
FAQ
Who is favored in W50 Yokohama: Kristiana Sidorova vs YeXin Ma?
As of Nov 11, 5:30 AM EST, traders on Polymarket price YeXin Ma at >99%, about -199900 in American odds. Prices move with every trade.
How are prediction market odds calculated?
Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.
When does this market close?
Polymarket lists Nov 17, 2026 as the end date. It can close earlier if the outcome is decided.
Where can I trade on W50 Yokohama: Kristiana Sidorova vs YeXin Ma?
This market trades on Polymarket. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.