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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA: Madison Keys vs Alina Korneeva | 100% | +29 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set Handicap +/-1.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set 2 Winner | 100% | +34 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Match O/U 21.5 | 100% | +55 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set 1 Winner | 100% | +33 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Match O/U 22.5 | 0% | −41 pts | — | — · <1¢ | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Game Spread +/-4.5 | 0% | −45 pts | — | — · <1¢ | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Total Sets: O/U 2.5 | 0% | −34 pts | — | — · <1¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set 2 O/U 8.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set 1 O/U 8.5 | 100% | +41 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set 2 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set 1 O/U 9.5 | 100% | +55 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set 2 O/U 10.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Match O/U 23.5 | 0% | −39 pts | — | — · <1¢ | — | ended |
| US Open WTA: Madison Keys vs Alina Korneeva Set 1 O/U 10.5 | 100% | +65 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 52d | Secondary-Covariate | US Open WTA: Madison Keys vs Alina Korneeva Set 2 Winner | SellKeys>99¢ | $1,292 | −$1 −0.1% | — |
| 52d | dwdwdwdwwwdaa | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys>99¢ | $6,816 | +$8 +0.1% | 4 |
| 52d | Flaznorp6 fills | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys89¢ → 100¢ | $100,457 | +$11,870 +12% | 5 |
| 52d | Substantial-Service2 fills | US Open WTA: Madison Keys vs Alina Korneeva | BuyAlina Korneeva22¢ → 0¢ | $14,144 | −$14,144 −100% | 6 |
| 52d |  tradecraft | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys91¢ → 100¢ | $5,459 | +$541 +9.9% | 5 |
| 52d | flatbarrel | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys91¢ → 100¢ | $5,460 | +$540 +9.9% | 5 |
| 52d |  TRCM2 fills | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys87¢ → 100¢ | $6,790 | +$1,013 +15% | 5 |
| 52d | SchruteBucks | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys91¢ → 100¢ | $1,638 | +$162 +9.9% | 5 |
| 52d | saltibiscoti | US Open WTA: Madison Keys vs Alina Korneeva | SellMadison Keys89¢ → 100¢ | $1,421 | −$179 −13% | — |
| 52d | johnnnnnnn | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys97¢ → 100¢ | $1,795 | +$52 +2.9% | 4 |
| 52d | HomeRunHazard6 fills | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys87¢ → 100¢ | $32,483 | +$4,801 +15% | 5 |
| 52d | 0b1 | US Open WTA: Madison Keys vs Alina Korneeva | SellMadison Keys85¢ → 100¢ | $5,862 | −$1,010 −17% | — |
| 52d | neutralwave23 | US Open WTA: Madison Keys vs Alina Korneeva | SellMadison Keys88¢ → 100¢ | $1,593 | −$227 −14% | — |
| 52d | thestingsnake2 fills | US Open WTA: Madison Keys vs Alina Korneeva | SellMadison Keys92¢ → 100¢ | $2,391 | −$203 −8.5% | — |
| 52d | hurrican | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys96¢ → 100¢ | $10,000 | +$381 +3.8% | 4 |
| 52d |  hd777 | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys97¢ → 100¢ | $22,960 | +$710 +3.1% | 4 |
| 52d | Aleks100 | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys97¢ → 100¢ | $1,067 | +$33 +3.1% | 4 |
| 52d | swy01 | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys95¢ → 100¢ | $5,362 | +$282 +5.3% | 4 |
| 52d | 0b13 fills | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys84¢ → 100¢ | $24,110 | +$4,696 +19% | 5 |
| 52d | jamario1 | US Open WTA: Madison Keys vs Alina Korneeva | BuyAlina Korneeva15¢ → 0¢ | $1,093 | −$1,093 −100% | 6 |
| 52d | w1n3r | US Open WTA: Madison Keys vs Alina Korneeva | SellMadison Keys86¢ → 100¢ | $6,267 | −$1,020 −16% | — |
| 52d | Scornful-Gym-Retreat | US Open WTA: Madison Keys vs Alina Korneeva | BuyAlina Korneeva37¢ → 0¢ | $1,300 | −$1,300 −100% | 6 |
| 52d | neutralwave23 | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys64¢ → 100¢ | $1,165 | +$655 +56% | 6 |
| 52d | ferrariChampions2026 | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys85¢ → 100¢ | $1,006 | +$178 +18% | 5 |
| 52d | Mad-Wound | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys85¢ → 100¢ | $2,500 | +$441 +18% | 5 |
| 52d | tennistrader20 | US Open WTA: Madison Keys vs Alina Korneeva | BuyAlina Korneeva32¢ → 0¢ | $4,400 | −$4,400 −100% | 6 |
| 52d | NiNo999 | US Open WTA: Madison Keys vs Alina Korneeva | BuyAlina Korneeva29¢ → 0¢ | $5,000 | −$5,000 −100% | 6 |
| 52d | NiNo999 | US Open WTA: Madison Keys vs Alina Korneeva Set Handicap +/-1.5 | BuyKorneeva52¢ → 0¢ | $10,000 | −$10,000 −100% | 6 |
| 53d | jtwyslljy | US Open WTA: Madison Keys vs Alina Korneeva | BuyMadison Keys72¢ → 100¢ | $1,440 | +$560 +39% | 6 |
eskk20,922 sharesThis market refers to the tennis match between Madison Keys and Alina Korneeva in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Madison Keys' if Madison Keys advances against Alina Korneeva. This market will resolve to 'Alina Korneeva' if Alina Korneeva 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 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: Madison Keys vs Alina Korneeva means the market gives it about 100%.