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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA: Madison Keys vs Anna Bondar | 100% | +11 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set 1 Winner | 0% | −81 pts | — | — · <1¢ | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set Handicap +/-1.5 | 0% | −65 pts | — | — · 8¢ | — | ended |
| Completed Match | 100% | — | — | — · 100¢ | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set 2 Winner | 100% | +22 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Game Spread +/-5.5 | 0% | −2 pts | — | — · 100¢ | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Match O/U 22.5 | 100% | +41 pts | — | 81¢ · 100¢ (19¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Total Sets: O/U 2.5 | 100% | +75 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Match O/U 21.5 | 100% | +44 pts | — | 90¢ · 100¢ (10¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set 1 O/U 10.5 | 100% | +77 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set 2 O/U 8.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set 1 O/U 8.5 | 100% | +41 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set 1 O/U 9.5 | 100% | +61 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set 2 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Match O/U 23.5 | 100% | +40 pts | — | 80¢ · 100¢ (20¢) | — | ended |
| US Open WTA: Madison Keys vs Anna Bondar Set 2 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 50d | Kkunn | US Open WTA: Madison Keys vs Anna Bondar | SellMadison Keys>99¢ | $3,938 | −$4 −0.1% | — |
| 50d | 0xe98c…8792 | US Open WTA: Madison Keys vs Anna Bondar | SellMadison Keys>99¢ | $4,657 | −$5 −0.1% | — |
| 50d | VisionOfLove | US Open WTA: Madison Keys vs Anna Bondar | SellMadison Keys99¢ → 100¢ | $1,164 | −$12 −1.0% | — |
| 50d | importedaccount | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys84¢ → 100¢ | $1,848 | +$352 +19% | 5 |
| 50d | HomeRunHazard3 fills | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys87¢ → 100¢ | $11,704 | +$1,697 +14% | 5 |
| 50d |  ZaiZoiBele2 fills | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys75¢ → 100¢ | $2,825 | +$918 +32% | 6 |
| 50d | neutralwave23 | US Open WTA: Madison Keys vs Anna Bondar | SellAnna Bondar38¢ → 0¢ | $1,025 | +$1,025 +100% | — |
| 50d | alaskabaked | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys62¢ → 100¢ | $1,256 | +$770 +61% | 6 |
| 50d | Kkunn | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys60¢ → 100¢ | $2,365 | +$1,577 +67% | 6 |
| 50d | Reliable-Giggle | US Open WTA: Madison Keys vs Anna Bondar | BuyAnna Bondar38¢ → 0¢ | $1,970 | −$1,970 −100% | 6 |
| 50d | 0xe98c…8792 | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys68¢ → 100¢ | $2,463 | +$1,159 +47% | 6 |
| 50d |  mooseborzoi | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys58¢ → 100¢ | $1,436 | +$1,040 +72% | 6 |
| 50d | jtwyslljy | US Open WTA: Madison Keys vs Anna Bondar | BuyAnna Bondar31¢ → 0¢ | $9,681 | −$9,681 −100% | 6 |
| 50d | Substantial-Service | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys75¢ → 100¢ | $33,303 | +$10,932 +33% | 6 |
| 50d | 0b12 fills | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys88¢ → 100¢ | $11,487 | +$1,566 +14% | 5 |
| 50d | Staid-Wrap | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys88¢ → 100¢ | $1,300 | +$177 +14% | 5 |
| 50d | Substantial-Service | US Open WTA: Madison Keys vs Anna Bondar | BuyAnna Bondar12¢ → 0¢ | $2,341 | −$2,341 −100% | 6 |
| 50d | tennistrader20 | US Open WTA: Madison Keys vs Anna Bondar | BuyAnna Bondar20¢ → 0¢ | $3,600 | −$3,600 −100% | 6 |
| 50d | Gaditima | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys88¢ → 100¢ | $1,769 | +$231 +13% | 5 |
| 50d | Flaznorp | US Open WTA: Madison Keys vs Anna Bondar | BuyMadison Keys88¢ → 100¢ | $27,233 | +$3,714 +14% | 5 |
| 50d | Favorable-Pepper-Brushing | US Open WTA: Madison Keys vs Anna Bondar Set 1 Winner | BuyKeys83¢ → 0¢ | $1,286 | −$1,286 −100% | 5 |
| 50d | Brimoz | US Open WTA: Madison Keys vs Anna Bondar | BuyAnna Bondar14¢ → 0¢ | $1,872 | −$1,872 −100% | 6 |
This market refers to the tennis match between Madison Keys and Anna Bondar in the US Open WTA, originally scheduled for September 2, 2026 at 11:00AM ET. This market will resolve to 'Madison Keys' if Madison Keys advances against Anna Bondar. This market will resolve to 'Anna Bondar' if Anna Bondar advances against Madison Keys. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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: Madison Keys vs Anna Bondar means the market gives it about 100%.