Live Odds · Updated October 24, 2026

Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova

As of October 24, 2026, 06:57 PM ET, Polymarket traders price Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Under at 75.0% in Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova — $10.0K traded so far.

Last updated October 24, 2026, 06:53 PM ET with live prices from Polymarket. 24h volume: $10.0K.
Leading outcome
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Under
75%
A 75.0% price implies roughly a 75-in-100 chance, set by traders risking real money.
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Under75.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set Handicap +/-1.5: Katerina Siniakova74.5%
Bid
24¢
Ask
26¢
Spread
2¢
Trade on Polymarket →

Market facts

Event data
Event
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova
Category
Tennis, Sports, Games
Scheduled end
November 01, 2026, 12:30 AM ET
Total volume
$10.0K
Volume (24h)
$10.0K
Liquidity
$153.6K
Markets
17
Leading outcome
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Under — 75.0%
Resolution source
https://www.wtatennis.com/scores

Who is favored to win?

Outcomes

Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Under is favored at 75.0%.

OutcomePriceImplied probability24h changeVolumeVolume share
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Under75¢75.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set Handicap +/-1.5: Katerina Siniakova74¢74.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 8.5: Over72¢72.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set Handicap +/-1.5: Ashlyn Krueger66¢66.5%—$2052.1%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Total Sets: O/U 2.5: Under 2.558¢58.0%—$1371.4%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova: Katerina Siniakova56¢56.5%—$9.6K96.5%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Match O/U 23.5: Under56¢56.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Match O/U 21.5: Over56¢55.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 2 Winner: Katerina Siniakova55¢54.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 Winner: Katerina Siniakova53¢53.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Game Spread +/-0.5: Katerina Siniakova53¢53.0%—$80.1%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 2 O/U 8.5: Under52¢52.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 2 O/U 9.5: Under52¢52.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 2 O/U 10.5: Under52¢52.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Match O/U 22.5: Under52¢51.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 9.5: Over51¢51.0%—$00.0%
Completed Match49¢49.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 9.5: Under49¢49.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Match O/U 22.5: Over48¢48.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 2 O/U 8.5: Over48¢48.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 2 O/U 9.5: Over48¢48.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 2 O/U 10.5: Over48¢48.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 Winner: Ashlyn Krueger47¢47.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Game Spread +/-0.5: Ashlyn Krueger47¢47.0%—$80.1%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 2 Winner: Ashlyn Krueger46¢45.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Match O/U 21.5: Under44¢44.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Match O/U 23.5: Over44¢44.0%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova: Ashlyn Krueger44¢43.5%—$9.6K96.5%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Total Sets: O/U 2.5: Over 2.542¢42.0%—$1371.4%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set Handicap +/-1.5: Katerina Siniakova34¢33.5%—$2052.1%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 8.5: Under28¢27.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set Handicap +/-1.5: Ashlyn Krueger26¢25.5%—$00.0%
Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Over25¢25.0%—$00.0%

See the full live book for this market on Polymarket

The leading market's spread is 2¢ (bid 24¢ / ask 26¢) — a tighter spread means cheaper round-trip trading.

How much has been traded?

Volume

$10.0K has been traded on this event in total, $10.0K of it in the last 24 hours, across 17 markets.

When does this market resolve?

Rules

This market is scheduled to end November 01, 2026, 12:30 AM ET.

This market refers to the tennis match between Ashlyn Krueger and Katerina Siniakova in the Japan Women's Open, originally scheduled for October 25, 2026 at 12:30AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game. If the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before the first set is completed, or if the first set has not been completed by November 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so "Over" would resolve as the winning outcome. … (condensed)

Resolution source: https://www.wtatennis.com/scores

What are the latest trades?

Tape
BUY Katerina Siniakova — $2.4K at 57.0%BUY Katerina Siniakova — $799 at 56.0%BUY Katerina Siniakova — $361 at 56.0%
TimeOutcomeSidePriceSize
Oct 24, 06:19 PM ETUnder 2.5BUY59.0%$78
Oct 24, 06:13 PM ETKaterina SiniakovaBUY34.0%$10
Oct 24, 06:08 PM ETAshlyn KruegerBUY67.0%$20
Oct 24, 06:00 PM ETAshlyn KruegerBUY44.0%$1
Oct 24, 05:58 PM ETAshlyn KruegerBUY44.0%$25
Oct 24, 05:47 PM ETKaterina SiniakovaBUY35.0%$10
Oct 24, 05:47 PM ETKaterina SiniakovaBUY34.1%$40
Oct 24, 05:46 PM ETKaterina SiniakovaBUY57.0%$100
Oct 24, 05:28 PM ETAshlyn KruegerBUY44.0%$2
Oct 24, 05:28 PM ETKaterina SiniakovaBUY57.0%$2.4K

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Frequently asked questions

FAQ

What are the odds of Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova?

As of October 24, 2026, 06:53 PM ET, the leading outcome is Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Under at 75.0%. Next is Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set Handicap +/-1.5: Katerina Siniakova at 74.5%. See the live book on Polymarket: https://polymarket.com/event/wta-krueger-siniako-2026-10-25?via=bro

How much money has been traded on Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova?

$10.0K in total volume, with $10.0K traded in the last 24 hours across 17 markets.

When does Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova end?

The market is scheduled to end November 01, 2026, 12:30 AM ET. It resolves based on https://www.wtatennis.com/scores.

What is the most likely outcome of Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova, according to Polymarket traders?

Japan Women's Open: Ashlyn Krueger vs Katerina Siniakova Set 1 O/U 10.5: Under, priced at 75.0% as of October 24, 2026, 06:53 PM ET. Prices are implied probabilities backed by real-money trading.

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⚠️ Not financial advice: odds swing hard on news. Never bet money you can't afford to lose, and always read a market's resolution rules before trading.

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