Analytics
The Katie Boulter side is at 50.5% on Polymarket.
It is one of 16 markets under “Pan Pacific Open, Qualification: Katie Boulter vs Sayaka Ishii”.
$2.11K traded in the last 24 hours, out of $2.11K since listing. The order book holds $6.92K, with a 1.0% gap between the best bid and the best ask.
The largest Katie Boulter position is OdileDeray with 800 shares; the largest Sayaka Ishii position is Aleks100 with 913. Ten wallets hold 96.1% of the shares on Polymarket's public holder list.
Trading closes on 31 Oct 2026, 8 days from now.
Polymarket prices as of Oct 23, 9:34 PM UTC
The paper ticket needs a verified Yes / No pair, which this market does not have here.
Open in PredictionsDaily closes of the Katie Boulter price, Polymarket CLOB, 1 point, 23 Oct 2026, chart shows 45%–60%
| Observed | Katie Boulter price |
|---|---|
| 23 Oct 2026 | 50.5% |
The ten largest positions on Polymarket's public holder list.
| Trader | Outcome | Shares |
|---|---|---|
| Aleks100 | Sayaka Ishii | 912.65 |
| OdileDeray | Katie Boulter | 800 |
| Idinahu | Sayaka Ishii | 683.46 |
This market refers to the tennis match between Katie Boulter and Sayaka Ishii in the Pan Pacific Open, Qualification, originally scheduled for October 24, 2026 at 2:30AM ET. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Sayaka Ishii. This market will resolve to 'Sayaka Ishii' if Sayaka Ishii advances against Katie Boulter. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 7, 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.
Official listing: polymarket.com/event/wta-boulter-ishii-2026-10-24
4 more markets, none above 48.0%.
| Cypya | Sayaka Ishii | 374.69 |
| UNEB3154s4f251 | Katie Boulter | 364.69 |
| test42069 | Katie Boulter | 333.57 |
| shiifoo | Katie Boulter | 310.99 |
| topdogbigboi | Katie Boulter | 110 |
| hhhizli | Katie Boulter | 98.04 |
| 1x6891589732cf8beaaf424b117d5c5c20919f6bb9 | Sayaka Ishii | 30 |
Open a trader’s name to inspect the wallet’s available P&L, positions and recorded trades, with source dates and coverage. A large position alone does not establish a winning track record.
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