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Japan Women's Open: Mary Stoiana vs Katerina Siniakova
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What is the result of Mary Stoiana vs Katerina Siniakova?

Volume:
$377,093

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set Handicap +/-1.5

 - Polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set Handicap +/-1.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 23, 2026

Closed: Oct 23, 4:06 AM EST

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Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set Handicap +/-1.5

View
100%
Yes 100¢No 0¢
—
N/A
$1,989
N/A
N/A
N/A
Settled
Yes
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Game Spread +/-3.5

100%
Yes 100¢No 0¢
—
N/A
$1,723
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
—
N/A
$250
N/A
N/A
N/A
Settled
Yes
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova

0%
Yes 0¢No 100¢
—
N/A
$370,885
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 Winner

0%
Yes 0¢No 100¢
—
N/A
$1,507
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 Winner

0%
Yes 0¢No 100¢
—
N/A
$711
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 22.5

0%
Yes 0¢No 100¢
—
N/A
$21
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 21.5

0%
Yes 0¢No 100¢
—
N/A
$6
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Total Sets: O/U 2.5

0%
Yes 0¢No 100¢
—
N/A
$2
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 9.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 9.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 23.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 16

Description

This market refers to the tennis match between Mary Stoiana and Katerina Siniakova in the Japan Women's Open, originally scheduled for October 23, 2026 at 1:30AM ET. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Katerina Siniakova. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Mary Stoiana. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 6, 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 WTA Tour. A consensus of credible reporting may also be used.

Polymarket

This market refers to the tennis match between Mary Stoiana and Katerina Siniakova in the Japan Women's Open, originally scheduled for October 23, 2026 at 1:30AM ET. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Katerina Siniakova. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Mary Stoiana. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 6, 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 WTA Tour. A consensus of credible reporting may also be used.

Frequently asked questions

On Polymarket, the dashboard for the Stoiana-Siniakova match tracks the current odds, price history, and 24-hour trading volume. You can see how the implied probability of different outcomes changes over time, and monitor the total volume traded in this market, which currently stands at $374,936. The 24-hour volume is $377,063, indicating recent trading activity. This allows you to gauge market sentiment and track how predictions evolve as more information becomes available before the match.

Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and risk management, while this market aggregates the views of many individual bettors. It’s common to see discrepancies, especially early in the market’s lifecycle, as prediction markets can react quickly to new information or shifts in sentiment. Comparing the two can provide a more comprehensive view of the expected outcome of the Stoiana-Siniakova match.

On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome of the Stoiana-Siniakova match. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate, the price adjusts to reflect the collective assessment of the event's likelihood. The current price reflects the aggregated predictions of all participants on Polymarket.

This market resolves around Oct 30, 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 Stoiana-Siniakova match as reported by recognized sports authorities. The platform will verify the result against these sources to determine which outcome is declared the winner. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment.

Several factors could influence the price of this market before Oct 30, 2026. News regarding player injuries, changes in playing conditions, or updated match analysis from sports experts could all shift market sentiment. Unexpected announcements about player form or strategy could also lead to significant price movements. Even broader factors, like overall betting trends or public perception of the players' chances, can impact trading activity and, consequently, the odds for the Stoiana-Siniakova match.