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Events
GroupKALSHI

Katie Boulter vs Sayaka Ishii: Set 1 Winner

Katie Boulter vs Sayaka Ishii: Set 1 Winner
Vol

K 0 contracts

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Events

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Markets

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Current odds

Snapshot from

As of Oct 24, 2026, 3:00 AM UTC, the highest-priced outcome on Kalshi is Katie Boulter at 46%.

Kalshi

  1. Katie Boulter46%
  2. Sayaka Ishii44.5%

Yes prices. They are not order quotes; check each platform's rules, fees and live prices before trading.

AI Analysis

Trader mode: Market mechanics, assumptions and risks

K 0 contracts

Reported volume ยท provider units

2

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Same-question pairs

Source snapshot: Oct 24, 2026, 3:00 AM UTC

About This Event

Katie Boulter vs Sayaka Ishii Set 1 (Oct 23) If X wins set 1 in the Katie Boulter vs Sayaka Ishii professional tennis match in the 2026 WTA Tokyo Qualification Round 1, then the market resolves to Yes. The following market refers to the Katie Boulter vs Sayaka Ishii professional tennis match in the 2026 WTA Tokyo Qualification Round 1. If the match does not occur, signaled by a ball being played, due to a player injury, walkover, forfeiture, or any other cancellation, all before the match starts, the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished, within two weeks. If a retirement occurs, all markets that can be unconditionally settled based on play already completed will resolve accordingly. Any markets that cannot be unconditionally settled will resolve to Fair Market Price, as determined at the sole discretion of the Exchange. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. This market will close and expire after the event occurs.

AI-generated analysis based on market data. Not financial advice.

AI-written background. References identify the evidence used; Wikipedia links under Learn More are additional reading. Prices and provider rules are dated snapshots. This is not financial advice.

Prices are catalog snapshots and may have changed. Check each market's rules and observation time.

PolymarketSports
Pan Pacific Open, Qualification: Katie Boulter vs Sayaka Ishii

Pan Pacific Open, Qualification: Katie Boulter vs Sayaka Ishii

PM $2.5K
Pan Pacific Open, Qualification: Completed Match: Katie Boulter vs Sayaka IshiiYes 5.5%
Pan Pacific Open, Qualification: Katie Boulter vs Sayaka IshiiView outcomes
Set 1 Winner: Katie Boulter vs Sayaka IshiiView outcomes
+13 moreNext deadline Oct 31, 2026 UTC
KalshiSports
Katie Boulter vs Sayaka Ishii: Set 2 Winner

Katie Boulter vs Sayaka Ishii: Set 2 Winner

K 0 contracts
Will Katie Boulter win set 2 in the Katie Boulter vs Sayaka Ishii matchYes 52%
Will Sayaka Ishii win set 2 in the Katie Boulter vs Sayaka Ishii matchYes 47%
2 mktsNext deadline Nov 7, 2026 UTC
PolymarketSports
Japan Women's Open: Katie Boulter vs Katerina Siniakova

Japan Women's Open: Katie Boulter vs Katerina Siniakova

PM $19.3K
Japan Women's Open: Completed Match: Katie Boulter vs Katerina SiniakovaYes 49%
Japan Women's Open: Katie Boulter vs Katerina SiniakovaView outcomes
Set 1 Winner: Katie Boulter vs Katerina SiniakovaView outcomes
+14 moreNext deadline Oct 31, 2026 UTC
KalshiSports
Katie Boulter vs Katerina Siniakova: Set 1 Winner

Katie Boulter vs Katerina Siniakova: Set 1 Winner

K 51.09 contracts
Will Katerina Siniakova win set 1 in the Katie Boulter vs Katerina Siniakova matchYes 58.5%
Will Katie Boulter win set 1 in the Katie Boulter vs Katerina Siniakova matchYes 41%
2 mktsNext deadline Nov 7, 2026 UTC
KalshiSports
Boulter vs Ishii

Boulter vs Ishii

K 2.0K contracts
Katie Boulter winsYes 56.5%
Sayaka Ishii winsYes 45%
2 mktsNext deadline Nov 7, 2026 UTC
KalshiSports
Katie Boulter vs Katerina Siniakova: Set 2 Winner

Katie Boulter vs Katerina Siniakova: Set 2 Winner

K 0 contracts
Will Katerina Siniakova win set 2 in the Katie Boulter vs Katerina Siniakova matchYes 58.5%
Will Katie Boulter win set 2 in the Katie Boulter vs Katerina Siniakova matchYes 40%
2 mktsNext deadline Nov 7, 2026 UTC

Market Insights

Price gaps of 2 pp+

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Same-question pairs

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No outcomes on this page have been reviewed as the same question on both platforms yet.

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