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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Yes | 0% | — | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 414d | 4b58e8f | US Open: Naomi Osaka vs Amanda Anisimova | SellAnisimova>99¢ | $5,236 | −$5 −0.1% | — |
| 414d | Goldendoodle16 | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova99¢ → 100¢ | $3,746 | +$38 +1.0% | 4 |
| 414d | 0x328 | US Open: Naomi Osaka vs Amanda Anisimova | SellAnisimova96¢ → 100¢ | $6,466 | −$269 −4.2% | — |
| 414d | mehzini | US Open: Naomi Osaka vs Amanda Anisimova | SellAnisimova90¢ → 100¢ | $2,757 | −$309 −11% | — |
| 414d | 0x328 | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova95¢ → 100¢ | $3,000 | +$164 +5.5% | 4 |
| 414d | sbcrr333 | US Open: Naomi Osaka vs Amanda Anisimova | SellAnisimova93¢ → 100¢ | $1,401 | −$99 −7.1% | — |
| 414d | afterdarkk | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova91¢ → 100¢ | $3,094 | +$306 +9.9% | 5 |
| 414d |  Rickyrawse | US Open: Naomi Osaka vs Amanda Anisimova | SellAnisimova48¢ → 100¢ | $1,183 | −$1,282 −108% | — |
| 414d | qwertyasdfghjkl4 fills | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka72¢ → 0¢ | $8,960 | −$8,960 −100% | 6 |
| 414d | Jyassin75 | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka79¢ → 0¢ | $2,831 | −$2,831 −100% | 5 |
| 414d |  INADEDEN | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka73¢ → 0¢ | $3,044 | −$3,044 −100% | 6 |
| 414d | qwertyasdfghjkl3 fills | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova45¢ → 100¢ | $12,572 | +$15,096 +120% | 6 |
| 414d | 025d3 fills | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka70¢ → 0¢ | $5,479 | −$5,479 −100% | 6 |
| 414d | 025d | US Open: Naomi Osaka vs Amanda Anisimova | SellOsaka37¢ → 0¢ | $3,310 | +$3,310 +100% | — |
| 414d | 0x9262…4978 | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka70¢ → 0¢ | $3,117 | −$3,117 −100% | 6 |
| 414d | 0x9262…4978 | US Open: Naomi Osaka vs Amanda Anisimova | SellAnisimova33¢ → 100¢ | $1,209 | −$2,500 −207% | — |
| 414d | 0x328 | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka71¢ → 0¢ | $2,606 | −$2,606 −100% | 6 |
| 414d | newfoundpatience | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka51¢ → 0¢ | $4,493 | −$4,493 −100% | 6 |
| 414d | S-Works | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka50¢ → 0¢ | $2,470 | −$2,470 −100% | 6 |
| 414d | 4b58e8f | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova50¢ → 100¢ | $2,568 | +$2,568 +100% | 6 |
| 414d | DonnieBaby | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova51¢ → 100¢ | $2,045 | +$1,964 +96% | 6 |
| 414d |  luggl2 fills | US Open: Naomi Osaka vs Amanda Anisimova | SellAnisimova49¢ → 100¢ | $3,581 | −$3,728 −104% | — |
| 414d |  1lI2 fills | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka52¢ → 0¢ | $3,916 | −$3,916 −100% | 4 |
| 414d | ChallengerSpecialist | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova50¢ → 100¢ | $5,000 | +$5,000 +100% | 6 |
| 414d | luggl | US Open: Naomi Osaka vs Amanda Anisimova | SellOsaka50¢ → 0¢ | $1,478 | +$1,478 +100% | — |
| 414d | sbcrr333 | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova50¢ → 100¢ | $1,487 | +$1,487 +100% | 6 |
| 414d | 0x5375…aeea | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova50¢ → 100¢ | $1,391 | +$1,391 +100% | 4 |
| 414d |  IamNotGood | US Open: Naomi Osaka vs Amanda Anisimova | SellAnisimova49¢ → 100¢ | $1,470 | −$1,530 −104% | — |
| 414d |  SemyonMarmeladov | US Open: Naomi Osaka vs Amanda Anisimova | BuyOsaka51¢ → 0¢ | $6,845 | −$6,845 −100% | 4 |
| 414d | mehzini | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova50¢ → 100¢ | $1,153 | +$1,153 +100% | 4 |
| 415d |  z838r328hzr3erqrw | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova49¢ → 100¢ | $4,748 | +$4,941 +104% | 4 |
| 415d | 0x02e65d10e83eb391ca0c466630f82790854e25 | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova49¢ → 100¢ | $4,900 | +$5,100 +104% | 4 |
| 415d | Letmewin | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova49¢ → 100¢ | $7,350 | +$7,650 +104% | 4 |
| 415d | xpr | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova49¢ → 100¢ | $1,918 | +$1,996 +104% | 4 |
| 415d | 0x9262…4978 | US Open: Naomi Osaka vs Amanda Anisimova | BuyAnisimova49¢ → 100¢ | $1,800 | +$1,909 +106% | 4 |
This is a polymarket on the tennis match between Naomi Osaka and Amanda Anisimova in the 2025 US Open women's singles semi-final, scheduled for September 4, 2025. This market will resolve to 'Osaka' if Naomi Osaka advances against Amanda Anisimova. This market will resolve to 'Anisimova' if Amanda Anisimova advances against Naomi Osaka. If the match is canceled (not played at all), ends in a tie, or is delayed beyond September 11, 2025, without a winner determined, this market will resolve to 50-50. If the match ends in a walkover (one player withdraws before the start and the other advances automatically), this market will resolve in favor of the player who officially advances to the next round. The primary resolution source will be official information from the US Open. 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: 0¢ for Yes means the market gives it about 0%.