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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| National Bank Open: Shuai Zhang vs Jelena Ostapenko | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 2 Winner | 50% | — | — | 50¢ · 51¢ (1¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set Handicap +/-1.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 1 Winner | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Total Sets: O/U 2.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 1 O/U 8.5 | 0% | — | — | — · <1¢ | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Match O/U 21.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Match O/U 22.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set Handicap +/-1.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| Completed Match | 0% | — | — | — · <1¢ | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 2 O/U 8.5 | 50% | — | — | 5¢ · 98¢ (93¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 1 O/U 9.5 | 0% | — | — | — · <1¢ | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 2 O/U 9.5 | 50% | — | — | 5¢ · 98¢ (93¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 1 O/U 10.5 | 0% | — | — | — · <1¢ | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 2 O/U 10.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open: Shuai Zhang vs Jelena Ostapenko Match O/U 23.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 73d | itb08081982 | National Bank Open: Shuai Zhang vs Jelena Ostapenko | SellShuai Zhang>99¢ | $1,806 | −$2 −0.1% | — |
| 73d | 8mavrme | National Bank Open: Shuai Zhang vs Jelena Ostapenko | SellShuai Zhang>99¢ | $3,271 | −$3 −0.1% | — |
| 73d | alaskabaked | National Bank Open: Shuai Zhang vs Jelena Ostapenko | SellShuai Zhang>99¢ | $3,360 | −$3 −0.1% | — |
| 73d | Takeshirosoku | National Bank Open: Shuai Zhang vs Jelena Ostapenko | SellShuai Zhang>99¢ | $1,862 | −$2 −0.1% | — |
| 73d | dmoralez2 fills | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang94¢ → 100¢ | $3,686 | +$254 +6.9% | 4 |
| 73d | 0xD9E0AACa471f48F91A26E8669A805f2 | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang96¢ → 100¢ | $1,102 | +$42 +3.8% | 4 |
| 73d | 8mavrme | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang84¢ → 100¢ | $2,000 | +$381 +19% | 5 |
| 73d | itb08081982 | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang83¢ → 100¢ | $1,500 | +$308 +21% | 5 |
| 73d | AGUGava | National Bank Open: Shuai Zhang vs Jelena Ostapenko | SellShuai Zhang81¢ → 100¢ | $1,590 | −$373 −23% | — |
| 73d | Takeshirosoku | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang78¢ → 100¢ | $1,457 | +$406 +28% | 5 |
| 73d |  TRCM | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang74¢ → 100¢ | $6,489 | +$2,261 +35% | 6 |
| 73d | alaskabaked | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang59¢ → 100¢ | $1,985 | +$1,379 +69% | 6 |
| 73d | jarosbill | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyJelena Ostapenko43¢ → 0¢ | $2,322 | −$2,322 −100% | 6 |
| 73d | briefly1 | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang51¢ → 100¢ | $1,601 | +$1,555 +97% | 6 |
| 73d | AGUGava | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang41¢ → 100¢ | $3,075 | +$4,425 +144% | 6 |
| 73d |  tradecraft | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang35¢ → 100¢ | $2,299 | +$4,270 +186% | 6 |
| 73d | swisstony | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyJelena Ostapenko69¢ → 0¢ | $1,883 | −$1,883 −100% | 6 |
| 73d |  RN1 | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyJelena Ostapenko69¢ → 0¢ | $4,278 | −$4,278 −100% | 6 |
| 73d | tradecraft | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyJelena Ostapenko66¢ → 0¢ | $5,802 | −$5,802 −100% | 6 |
| 73d | comon119 | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyJelena Ostapenko69¢ → 0¢ | $2,070 | −$2,070 −100% | 4 |
| 74d | 0F622 fills | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyJelena Ostapenko72¢ → 0¢ | $8,718 | −$8,718 −100% | 4 |
| 74d | riverskew | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang31¢ → 100¢ | $1,262 | +$2,808 +223% | 4 |
| 74d | omnibus-076daa | National Bank Open: Shuai Zhang vs Jelena Ostapenko | BuyShuai Zhang30¢ → 100¢ | $3,990 | +$9,309 +233% | 4 |
This market refers to the tennis match between Shuai Zhang and Jelena Ostapenko in the National Bank Open, originally scheduled for August 4, 2026 at 3:30PM ET. This market will resolve to 'Shuai Zhang' if Shuai Zhang advances against Jelena Ostapenko. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Shuai Zhang. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 National Bank Open: Shuai Zhang vs Jelena Ostapenko means the market gives it about 100%.