TennisWTA Tour
US Open WTA: Naomi Osaka vs Katerina Siniakova
$8.7K volume, 24h47 fills · 42 traders · 16 questions
Reported by Polymarket: open interest $11.6K · liquidity $205.2K · 24h volume 11,587 shares
- Created
- First trade
- Event start
Resolves via wtatennis.com/scores
Part of WTA · daily
Moneyline
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova | 78.5¢ | 21.5¢ | $8.5K |
Match Totals
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova Match O/U 21.5 | 47.0¢ | 53.0¢ | $117.70 |
| US Open WTA: Naomi Osaka vs Katerina Siniakova Match O/U 22.5 | 43.0¢ | 56.5¢ | $6.50 |
| US Open WTA: Naomi Osaka vs Katerina Siniakova Match O/U 23.5Quiet | 39.5¢ | 60.0¢ | — |
Set Handicap
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set Handicap +/-1.5 | 52.5¢ | 47.5¢ | $20.79 |
Game Handicap
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova Game Spread +/-4.5 | 52.0¢ | 48.0¢ | $1.70 |
First Set Winner
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set 1 WinnerQuiet | 71.5¢ | 28.5¢ | — |
Set Winner
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set 2 WinnerQuiet | 71.5¢ | 28.5¢ | — |
First Set Totals
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set 1 O/U 8.5Quiet | 69.0¢ | 31.0¢ | — |
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set 1 O/U 9.5Quiet | 43.0¢ | 57.0¢ | — |
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set 1 O/U 10.5Quiet | 25.0¢ | 75.0¢ | — |
Set Games Totals
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set 2 O/U 10.5Quiet | 50.0¢ | 50.0¢ | — |
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set 2 O/U 8.5Quiet | 50.0¢ | 50.0¢ | — |
| US Open WTA: Naomi Osaka vs Katerina Siniakova Set 2 O/U 9.5Quiet | 50.0¢ | 50.0¢ | — |
Completed Match
| Question | Yes | No | 24h volume |
|---|---|---|---|
| Completed MatchQuiet | 50.0¢ | 50.0¢ | — |
Set Totals
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Naomi Osaka vs Katerina Siniakova Total Sets: O/U 2.5Quiet | 35.0¢ | 65.0¢ | — |
Market details
- Category
- Tennis
- Subcategory
- WTA Tour
- Discipline
- Tennis
- Series
- WTA
- Teams
- Naomi Osaka vs. Katerina Siniakova
Prices and volume as of Sep 3, 2026 11:25 UTC. Trading data is ours; event metadata comes from Polymarket. Not affiliated with Polymarket · Not investment advice.