TennisWTA TourLive6-1, 5-5S2
US Open WTA: Marta Kostyuk vs Sloane Stephens
$97.8K volume, 24h432 fills · 186 traders · 16 questions (12 open)
Reported by Polymarket: open interest $84.4K · liquidity $221.4K · 24h volume 140,880 shares
- Created
- First trade
- Event start
Resolves via wtatennis.com/scores
Part of WTA · daily
Moneyline
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens | 94.2¢ | 2.3¢ | $96.4K |
Set Handicap
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set Handicap +/-1.5 | 87.0¢ | 9.5¢ | $1.2K |
Set Winner
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set 2 Winner | 92.5¢ | 28.0¢ | $32.20 |
Game Handicap
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens Game Spread +/-5.5 | 50.0¢ | 50.0¢ | $25.50 |
Set Totals
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens Total Sets: O/U 2.5 | 50.0¢ | 89.5¢ | $1.00 |
Set Games Totals
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set 2 O/U 10.5Quiet | 100.0¢ | 0.1¢ | — |
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set 2 O/U 8.5Quiet | 100.0¢ | 0.1¢ | — |
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set 2 O/U 9.5Quiet | 100.0¢ | 0.1¢ | — |
Match Totals
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens Match O/U 21.5Quiet | 50.0¢ | 50.0¢ | — |
| US Open WTA: Marta Kostyuk vs Sloane Stephens Match O/U 22.5Quiet | 50.0¢ | 50.0¢ | — |
| US Open WTA: Marta Kostyuk vs Sloane Stephens Match O/U 23.5Quiet | 50.0¢ | 50.0¢ | — |
Completed Match
| Question | Yes | No | 24h volume |
|---|---|---|---|
| Completed MatchQuiet | 50.0¢ | 50.0¢ | — |
First Set Winner
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set 1 WinnerYES | 100.0¢ | 0.0¢ | $47.84 |
First Set Totals
| Question | Yes | No | 24h volume |
|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set 1 O/U 8.5NO | 0.0¢ | 100.0¢ | $30.04 |
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set 1 O/U 10.5NO | 0.0¢ | 100.0¢ | — |
| US Open WTA: Marta Kostyuk vs Sloane Stephens Set 1 O/U 9.5NO | 0.0¢ | 100.0¢ | — |
Market details
- Category
- Tennis
- Subcategory
- WTA Tour
- Discipline
- Tennis
- Series
- WTA
- Teams
- Marta Kostyuk vs. Sloane Stephens
Prices and volume as of Sep 2, 2026 19:07 UTC. Trading data is ours; event metadata comes from Polymarket. Not affiliated with Polymarket · Not investment advice.