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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska | 100% | +49 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 2 Winner | 100% | +51 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 1 O/U 8.5 | 0% | −61 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 1 Winner | 100% | +49 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set Handicap +/-1.5 | 0% | −32 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 1 O/U 10.5 | 0% | −37 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Total Sets: O/U 2.5 | 0% | −38 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Match O/U 22.5 | 0% | −44 pts | — | — · <1¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Match O/U 21.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 2 O/U 8.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 1 O/U 9.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 2 O/U 9.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Match O/U 23.5 | 0% | −42 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 2 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 71d | Decisive-CloseNew account | Cincinnati Open: Tatjana Maria vs Dayana Yastremska Set 2 Winner | SellMaria>99¢ | $1,195 | −$1 −0.1% | — |
| 71d | NiNo999 | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | SellTatjana Maria>99¢ | $2,415 | −$2 −0.1% | — |
| 71d |  Revolving-Climb | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | SellTatjana Maria>99¢ | $1,598 | −$2 −0.1% | — |
| 71d | simbich | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria>99¢ | $2,909 | +$3 +0.1% | 4 |
| 71d | anon.1980.123 | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria99¢ → 100¢ | $1,130 | +$10 +0.9% | 4 |
| 71d | swisstony5 fills | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria95¢ → 100¢ | $23,547 | +$1,177 +5.0% | 4 |
| 71d | eokho | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | SellTatjana Maria91¢ → 100¢ | $4,792 | −$485 −10% | — |
| 71d | Revolving-Climb | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria94¢ → 100¢ | $1,500 | +$99 +6.6% | 4 |
| 71d | ssj3 | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria95¢ → 100¢ | $8,000 | +$421 +5.3% | 4 |
| 71d | HomeRunHazard | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria94¢ → 100¢ | $1,284 | +$82 +6.4% | 4 |
| 71d | Aleks100 | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria92¢ → 100¢ | $1,840 | +$160 +8.7% | 5 |
| 71d | Nomoreloser | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyDayana Yastremska12¢ → 0¢ | $1,000 | −$1,000 −100% | 6 |
| 71d | madkkee | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria84¢ → 100¢ | $2,426 | +$462 +19% | 5 |
| 71d | NiNo999 | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria56¢ → 100¢ | $1,350 | +$1,067 +79% | 6 |
| 71d | eokho | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria55¢ → 100¢ | $2,902 | +$2,375 +82% | 6 |
| 71d |  fRibrenlc | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria54¢ → 100¢ | $1,540 | +$1,312 +85% | 6 |
| 71d | deepakrego | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria54¢ → 100¢ | $1,350 | +$1,150 +85% | 6 |
| 71d | jtwyslljy | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria54¢ → 100¢ | $1,890 | +$1,610 +85% | 6 |
| 71d | ferrariChampions2026 | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria52¢ → 100¢ | $4,563 | +$4,212 +92% | 4 |
| 71d | JAMJAMJAM4 | Cincinnati Open: Tatjana Maria vs Dayana Yastremska | BuyTatjana Maria51¢ → 100¢ | $3,323 | +$3,193 +96% | 4 |
This market refers to the tennis match between Tatjana Maria and Dayana Yastremska in the Cincinnati Open, originally scheduled for August 13, 2026 at 10:00AM ET. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Dayana Yastremska. This market will resolve to 'Dayana Yastremska' if Dayana Yastremska advances against Tatjana Maria. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 Cincinnati Open: Tatjana Maria vs Dayana Yastremska means the market gives it about 100%.