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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open ATP: Alex Michelsen vs Federico Cina | 100% | +19 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set Handicap +/-1.5 | 100% | +33 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 4 Winner | 50% | +1 pts | — | 50¢ · 51¢ (1¢) | — | ended |
| Completed Match | 100% | +50 pts | — | 100¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Total Sets: O/U 3.5 | 0% | −54 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Game Spread +/-5.5 | 100% | −5 pts | — | 5¢ · 100¢ (95¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 2 Winner | 100% | +28 pts | — | 96¢ · 100¢ (4¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Match O/U 36.5 | 0% | −47 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set Handicap +/-2.5 | 100% | +59 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 1 Winner | 100% | +32 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 1 O/U 8.5 | 100% | +37 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 2 O/U 8.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Total Sets: O/U 4.5 | 0% | −21 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Match O/U 38.5 | 0% | −43 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 1 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 2 O/U 9.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 3 Winner | 100% | +28 pts | — | 100¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 2 O/U 10.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Match O/U 40.5 | 0% | −38 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 1 O/U 10.5 | 0% | −36 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 3 O/U 8.5 | 0% | −3 pts | — | — · 94¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 3 O/U 9.5 | 0% | −3 pts | — | — · 94¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 3 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 4 O/U 8.5 | 50% | −25 pts | — | — · 51¢ | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 4 O/U 9.5 | 50% | — | — | 46¢ · 54¢ (8¢) | — | ended |
| US Open ATP: Alex Michelsen vs Federico Cina Set 4 O/U 10.5 | 50% | +2 pts | — | 44¢ · 59¢ (15¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 46d | NiNo999 | US Open ATP: Alex Michelsen vs Federico Cina Set Handicap +/-1.5 | SellMichelsen>99¢ | $35,196 | −$35 −0.1% | — |
| 46d | BunCaCham | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen>99¢ | $1,109 | +$2 +0.2% | 4 |
| 46d | Mad-Wound | US Open ATP: Alex Michelsen vs Federico Cina | SellAlex Michelsen98¢ → 100¢ | $2,606 | −$53 −2.0% | — |
| 46d | omnibus-076daa | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen97¢ → 100¢ | $9,366 | +$290 +3.1% | 4 |
| 46d |  therealonestepahead | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen95¢ → 100¢ | $1,632 | +$86 +5.3% | 4 |
| 46d | Mad-Wound | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen94¢ → 100¢ | $2,500 | +$160 +6.4% | 4 |
| 47d | bastet9 | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen87¢ → 100¢ | $1,044 | +$156 +15% | 5 |
| 47d | mermlok | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen80¢ → 100¢ | $2,160 | +$540 +25% | 5 |
| 47d | kapper-betka | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen81¢ → 100¢ | $4,228 | +$992 +23% | 5 |
| 47d |  ForAndWithYou | US Open ATP: Alex Michelsen vs Federico Cina Set Handicap +/-1.5 | BuyCina31¢ → 0¢ | $1,065 | −$1,065 −100% | 6 |
| 47d | degenfren2 fills | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen82¢ → 100¢ | $12,687 | +$2,849 +22% | 4 |
| 47d |  hobo69 | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen82¢ → 100¢ | $1,804 | +$396 +22% | 5 |
| 47d | NiNo999 | US Open ATP: Alex Michelsen vs Federico Cina Set Handicap +/-1.5 | BuyMichelsen71¢ → 100¢ | $25,000 | +$10,231 +41% | 6 |
| 47d | Ilgato | US Open ATP: Alex Michelsen vs Federico Cina | SellAlex Michelsen80¢ → 100¢ | $2,092 | −$523 −25% | — |
| 47d | dv-pm | US Open ATP: Alex Michelsen vs Federico Cina | BuyFederico Cina19¢ → 0¢ | $1,284 | −$1,284 −100% | 6 |
| 47d | 0b1 | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen82¢ → 100¢ | $10,563 | +$2,319 +22% | 5 |
| 48d | ferrariChampions2026 | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen81¢ → 100¢ | $12,848 | +$3,014 +23% | 5 |
| 48d | Ilgato | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen80¢ → 100¢ | $2,092 | +$523 +25% | 5 |
| 48d | fastball67 | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen79¢ → 100¢ | $7,899 | +$2,100 +27% | 4 |
| 48d | k56 | US Open ATP: Alex Michelsen vs Federico Cina | BuyAlex Michelsen78¢ → 100¢ | $1,024 | +$296 +29% | 4 |
This market refers to the tennis match between Alex Michelsen and Federico Cina in the US Open ATP, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Federico Cina. This market will resolve to 'Federico Cina' if Federico Cina advances against Alex Michelsen. 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 ATP 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 ATP: Alex Michelsen vs Federico Cina means the market gives it about 100%.