Loading your workspacePreparing the page and its market data.
Polymarket · SportsClosed
Loading the chart…
| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald | 0% | −24 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set 1 Winner | 0% | — | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Match O/U 21.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Match O/U 22.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Game Spread +/-4.5 | 0% | — | — | — · <1¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set 2 Winner | 0% | — | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set 2 O/U 8.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Total Sets: O/U 2.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set 1 O/U 8.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set Handicap +/-1.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set 1 O/U 9.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set 2 O/U 9.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set 1 O/U 10.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Set 2 O/U 10.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald Match O/U 23.5 | 0% | — | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 60d | cuppermentality2 fills | US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald | BuyMackenzie McDonald85¢ → 100¢ | $9,228 | +$1,648 +18% | 5 |
| 60d | gettingpwned | US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald | BuyMackenzie McDonald73¢ → 100¢ | $1,482 | +$548 +37% | 6 |
| 60d | afraz | US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald | BuyMackenzie McDonald72¢ → 100¢ | $2,300 | +$894 +39% | 6 |
This market refers to the tennis match between Stefano Napolitano and Mackenzie McDonald in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 3:30PM ET. This market will resolve to 'Stefano Napolitano' if Stefano Napolitano advances against Mackenzie McDonald. This market will resolve to 'Mackenzie McDonald' if Mackenzie McDonald advances against Stefano Napolitano. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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: 0¢ for US Open, Qualification ATP: Stefano Napolitano vs Mackenzie McDonald means the market gives it about 0%.