Loading your workspacePreparing the page and its market data.
Loading the chart…
| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA: Naomi Osaka vs Elise Mertens | 100% | +27 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Game Spread +/-4.5 | 0% | −38 pts | — | — · 19¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Match O/U 21.5 | 100% | +50 pts | — | 96¢ · 100¢ (4¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Total Sets: O/U 2.5 | 100% | +65 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set Handicap +/-1.5 | 0% | −48 pts | — | — · 4¢ | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set 2 Winner | 0% | −68 pts | — | — · <1¢ | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set 1 Winner | 100% | +33 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Match O/U 22.5 | 100% | +47 pts | — | 81¢ · 100¢ (19¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set 1 O/U 8.5 | 100% | +38 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set 2 O/U 8.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set 1 O/U 9.5 | 0% | −46 pts | — | — · <1¢ | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set 2 O/U 9.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set 2 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Match O/U 23.5 | 100% | +40 pts | — | 81¢ · 100¢ (19¢) | — | ended |
| US Open WTA: Naomi Osaka vs Elise Mertens Set 1 O/U 10.5 | 0% | −27 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 48d | martingaleking | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka>99¢ | $49,950 | −$50 −0.1% | — |
| 48d | Valuable-Span-Casket | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka>99¢ | $1,126 | −$1 −0.1% | — |
| 48d | Caonima1 | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka>99¢ | $1,332 | −$1 −0.1% | — |
| 48d | Kev69 | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka>99¢ | $6,456 | −$6 −0.1% | — |
| 48d | Reliable-Giggle | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka>99¢ | $4,931 | −$5 −0.1% | — |
| 48d | name-no-name | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka>99¢ | $2,248 | −$2 −0.1% | — |
| 48d | _test_i075_i078_1 | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka>99¢ | $1,044 | −$1 −0.1% | — |
| 48d | 0x1111111111 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka92¢ → 100¢ | $1,849 | +$151 +8.2% | 5 |
| 48d | LFP272 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka69¢ → 100¢ | $1,162 | +$522 +45% | 6 |
| 48d | paquitomillonario | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens30¢ → 0¢ | $1,643 | −$1,643 −100% | 6 |
| 48d | _test_i075_i078_1 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka76¢ → 100¢ | $1,684 | +$521 +31% | 6 |
| 48d | Ru386 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka74¢ → 100¢ | $1,000 | +$358 +36% | 6 |
| 48d | paquitomillonario | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka75¢ → 100¢ | $12,165 | +$4,141 +34% | 6 |
| 48d | itsbig | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka74¢ → 100¢ | $7,210 | −$2,533 −35% | — |
| 48d | HomeRunHazard3 fills | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka74¢ → 100¢ | $13,834 | +$4,963 +36% | 6 |
| 48d | itsbig | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka69¢ → 100¢ | $6,918 | +$3,049 +44% | 6 |
| 48d | 12f842n2e76 | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka60¢ → 100¢ | $1,463 | −$975 −67% | — |
| 48d | Ru386 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens76¢ → 0¢ | $1,000 | −$1,000 −100% | 6 |
| 48d | Reliable-Giggle | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka30¢ → 100¢ | $1,290 | +$3,015 +234% | 6 |
| 48d | jarosbill2 fills | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens68¢ → 0¢ | $13,544 | −$13,544 −100% | 6 |
| 48d | mermlok | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens71¢ → 0¢ | $1,122 | −$1,122 −100% | 6 |
| 48d | Reliable-Giggle | US Open WTA: Naomi Osaka vs Elise Mertens | SellElise Mertens71¢ → 0¢ | $3,600 | +$3,600 +100% | — |
| 48d | LeBronGamer | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka28¢ → 100¢ | $1,218 | +$3,133 +257% | 6 |
| 48d | Generous-Burning | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens68¢ → 0¢ | $1,100 | −$1,100 −100% | 6 |
| 48d | Brimoz | US Open WTA: Naomi Osaka vs Elise Mertens | SellElise Mertens51¢ → 0¢ | $24,371 | +$24,371 +100% | — |
| 48d | ferrariChampions20262 fills | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka33¢ → 100¢ | $3,252 | +$6,679 +205% | 6 |
| 48d | hamlo2 fills | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens38¢ → 0¢ | $6,396 | −$6,396 −100% | 6 |
| 48d | Caonima1 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens72¢ → 0¢ | $1,900 | −$1,900 −100% | 6 |
| 48d | VPenguin2 fills | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens51¢ → 0¢ | $5,792 | −$5,792 −100% | 6 |
| 48d | Reliable-Giggle | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens57¢ → 0¢ | $2,890 | −$2,890 −100% | 6 |
| 48d | alcoholic1337 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens58¢ → 0¢ | $2,900 | −$2,900 −100% | 6 |
| 48d | olegio | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens38¢ → 0¢ | $1,333 | −$1,333 −100% | 6 |
| 48d | soukaev | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens52¢ → 0¢ | $10,000 | −$10,000 −100% | 6 |
| 48d | Kev69 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka61¢ → 100¢ | $3,911 | +$2,551 +65% | 6 |
| 48d | Caonima1 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka81¢ → 100¢ | $1,500 | +$352 +23% | 5 |
| 48d | Flaznorp | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka82¢ → 100¢ | $3,090 | +$678 +22% | 5 |
| 48d | ferrariChampions2026 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens18¢ → 0¢ | $1,571 | −$1,571 −100% | 6 |
| 48d | tennistrader20 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens17¢ → 0¢ | $7,000 | −$7,000 −100% | 6 |
| 48d | beeemw | US Open WTA: Naomi Osaka vs Elise Mertens | SellNaomi Osaka86¢ → 100¢ | $11,352 | −$1,848 −16% | — |
| 48d | hurrican | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka95¢ → 100¢ | $10,000 | +$526 +5.3% | 4 |
| 48d | name-no-name | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka92¢ → 100¢ | $2,070 | +$180 +8.7% | 5 |
| 48d | SchruteBucks | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens16¢ → 0¢ | $1,120 | −$1,120 −100% | 6 |
| 48d | Flaznorp | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens12¢ → 0¢ | $1,094 | −$1,094 −100% | 6 |
| 48d | martingaleking | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka87¢ → 100¢ | $26,780 | +$4,161 +16% | 5 |
| 48d | Brimoz3 fills | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens14¢ → 0¢ | $5,573 | −$5,573 −100% | 6 |
| 48d | casper7 | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka79¢ → 100¢ | $1,246 | +$331 +27% | 5 |
| 48d | beachboy43 fills | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka76¢ → 100¢ | $103,389 | +$33,500 +32% | 6 |
| 48d | beeemw | US Open WTA: Naomi Osaka vs Elise Mertens | BuyNaomi Osaka76¢ → 100¢ | $10,032 | +$3,168 +32% | 6 |
| 48d | Generous-Burning2 fills | US Open WTA: Naomi Osaka vs Elise Mertens Game Spread +/-4.5 | BuyMertens52¢ → 100¢ | $7,300 | +$6,619 +91% | 6 |
| 48d | jtwyslljy | US Open WTA: Naomi Osaka vs Elise Mertens | BuyElise Mertens27¢ → 0¢ | $2,160 | −$2,160 −100% | 6 |
Sharkbets.pro16,000 sharesThis market refers to the tennis match between Naomi Osaka and Elise Mertens in the US Open WTA, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Elise Mertens. This market will resolve to 'Elise Mertens' if Elise Mertens advances against Naomi Osaka. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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: Naomi Osaka vs Elise Mertens means the market gives it about 100%.