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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA: Tatjana Maria vs Jelena Ostapenko | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Game Spread +/-2.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set Handicap +/-1.5 | 0% | −37 pts | — | — · 3¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set 1 Winner | 0% | −44 pts | — | — · 1¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Match O/U 21.5 | 100% | +1 pts | — | — · 100¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Total Sets: O/U 2.5 | 100% | −8 pts | — | 21¢ · 41¢ (20¢) | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set 2 Winner | 100% | +8 pts | — | — · 100¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set 1 O/U 8.5 | 100% | +30 pts | — | 80¢ · 100¢ (20¢) | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set 2 O/U 8.5 | 0% | — | — | — · 100¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set 2 O/U 9.5 | 0% | — | — | — · 100¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set 1 O/U 9.5 | 100% | +55 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Match O/U 22.5 | 100% | +8 pts | — | — · 100¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set 2 O/U 10.5 | 0% | — | — | — · 100¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Set 1 O/U 10.5 | 0% | −24 pts | — | — · 1¢ | — | ended |
| US Open WTA: Tatjana Maria vs Jelena Ostapenko Match O/U 23.5 | 100% | +54 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 51d |  alpheclabs | US Open WTA: Tatjana Maria vs Jelena Ostapenko | SellTatjana Maria>99¢ | $2,316 | −$2 −0.1% | — |
| 51d |  laIaIalala | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyJelena Ostapenko60¢ → 0¢ | $1,837 | −$1,837 −100% | 6 |
| 51d | omnibus-076daa | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyTatjana Maria37¢ → 100¢ | $1,985 | +$3,380 +170% | 6 |
| 51d |  isco22 | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyJelena Ostapenko56¢ → 0¢ | $1,500 | −$1,500 −100% | 6 |
| 51d | bronzer6 | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyTatjana Maria48¢ → 100¢ | $1,920 | +$2,080 +108% | 6 |
| 51d | TOWERCAPITAL | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyTatjana Maria49¢ → 100¢ | $1,470 | +$1,530 +104% | 6 |
| 51d | jiiivi655 | US Open WTA: Tatjana Maria vs Jelena Ostapenko | SellTatjana Maria48¢ → 100¢ | $3,489 | −$3,780 −108% | — |
| 52d | alexdave888 | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyTatjana Maria38¢ → 100¢ | $9,588 | +$15,412 +161% | 6 |
| 52d | xxTommyBoyxx | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyJelena Ostapenko57¢ → 0¢ | $4,443 | −$4,443 −100% | 6 |
| 52d | Kkunn | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyJelena Ostapenko59¢ → 0¢ | $2,672 | −$2,672 −100% | 6 |
| 52d | jiiivi655 | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyTatjana Maria44¢ → 100¢ | $2,002 | +$2,548 +127% | 6 |
| 52d | jtwyslljy | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyJelena Ostapenko57¢ → 0¢ | $2,223 | −$2,223 −100% | 6 |
| 52d | JAMJAMJAM4 | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyTatjana Maria43¢ → 100¢ | $1,108 | +$1,469 +133% | 6 |
| 53d | JAMJAMJAM4 | US Open WTA: Tatjana Maria vs Jelena Ostapenko Game Spread +/-2.5 | BuyMaria52¢ → 100¢ | $1,485 | +$1,371 +92% | 6 |
| 53d | AGUGava | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyTatjana Maria41¢ → 100¢ | $1,918 | +$2,760 +144% | 6 |
| 53d | RanaAmariPredicts | US Open WTA: Tatjana Maria vs Jelena Ostapenko | BuyJelena Ostapenko62¢ → 0¢ | $5,300 | −$5,300 −100% | 6 |
Betta-fish13 shares
WallStreetGamer1,000 sharesThis market refers to the tennis match between Tatjana Maria and Jelena Ostapenko in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Jelena Ostapenko. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Tatjana Maria. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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.
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 100¢ for US Open WTA: Tatjana Maria vs Jelena Ostapenko means the market gives it about 100%.