The market strongly favors Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 1 Winner at 100%. High confidence — but lower potential returns.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 1 Winner | 100% | - | $1K |
| 2 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 1 O/U 8.5 | 100% | - | - |
| 3 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume | 94% | +6% | $243K |
| 4 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set Handicap +/-1.5 | 88% | +14% | $273 |
| 5 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 2 Winner | 88% | +14% | $1K |
| 6 | Completed Match | 54% | +87% | $7K |
| 7 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 2 O/U 8.5 | 50% | +100% | - |
| 8 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 2 O/U 9.5 | 50% | +100% | - |
| 9 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 2 O/U 10.5 | 50% | +100% | - |
| 10 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Match O/U 21.5 | 50% | +100% | - |
| 11 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Match O/U 23.5 | 50% | +100% | - |
| 12 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Game Spread +/-3.5 | 50% | +100% | $231 |
| 13 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Match O/U 22.5 | 22% | +365% | $7 |
| 14 | Japan Women's Open: Katie Boulter vs Himeno Sakatsume Total Sets: O/U 2.5 BEST VALUE | 8% | +1076% | $57 |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Katie Boulter and Himeno Sakatsume in the Japan Women's Open, originally scheduled for October 18, 2026 at 9:00PM ET. This market will resolve to 'Katie...
This prediction market tracks whether Japan Women's Open: Katie Boulter vs Himeno Sakatsume will occur, with $253K in total trading volume reflecting significant trader interest. Prediction markets aggregate the collective intelligence of participants who stake real money on outcomes, making them one of the most reliable forecasting tools available for events driven by team performance data, historical matchups, and real-time injury reports.
The market shows strong consensus: Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 1 Winner is priced at 100%, indicating traders overwhelmingly expect this outcome. At this probability level, the potential return on a correct bet is relatively low, but contrarian positions carry significant upside if the consensus proves wrong.
Trading activity is exceptionally high, with $259K traded in the last 24 hours alone (103% of total volume). This surge often indicates breaking news, a key deadline approaching, or a significant shift in market sentiment.
This market is scheduled to resolve by 2026-10-26. As the resolution date approaches, expect increased trading activity and tighter probability estimates. Historical data shows that prediction market accuracy improves significantly in the final days before resolution.
As of Oct 19, 2026 at 10:15 UTC, the leading outcome is Japan Women's Open: Katie Boulter vs Himeno Sakatsume Set 1 Winner at 100% probability, with $253K in total trading volume on Polymarket.
The total trading volume for this market is $253K, with $259K traded in the last 24 hours. This represents real money at stake from prediction market traders on Polymarket.
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