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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| National Bank Open: Katie Boulter vs Kayla Cross | 0% | −73 pts | — | — · <1¢ | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set 2 Winner | 0% | −61 pts | — | — · <1¢ | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set 1 Winner | 0% | −66 pts | — | — · <1¢ | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set Handicap +/-1.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set Handicap +/-1.5 | 100% | +84 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Match O/U 21.5 | 100% | +55 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Total Sets: O/U 2.5 | 0% | −35 pts | — | — · <1¢ | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Match O/U 22.5 | 100% | +62 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set 1 O/U 8.5 | 100% | +42 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set 2 O/U 8.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set 1 O/U 9.5 | 100% | +46 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set 2 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set 1 O/U 10.5 | 100% | +65 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Match O/U 23.5 | 100% | +65 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| National Bank Open: Katie Boulter vs Kayla Cross Set 2 O/U 10.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 81d | MilesY | National Bank Open: Katie Boulter vs Kayla Cross | SellKayla Cross>99¢ | $1,080 | −$1 −0.1% | — |
| 81d | Kalahanda | National Bank Open: Katie Boulter vs Kayla Cross | SellKayla Cross>99¢ | $1,259 | −$1 −0.1% | — |
| 81d | Kalahanda | National Bank Open: Katie Boulter vs Kayla Cross | BuyKayla Cross87¢ → 100¢ | $1,096 | +$164 +15% | 5 |
| 81d |  tradecraft | National Bank Open: Katie Boulter vs Kayla Cross | BuyKayla Cross51¢ → 100¢ | $1,721 | +$1,642 +95% | 6 |
| 81d |  MurkSniper | National Bank Open: Katie Boulter vs Kayla Cross | BuyKatie Boulter51¢ → 0¢ | $2,091 | −$2,091 −100% | 6 |
| 81d | AGUGava2 fills | National Bank Open: Katie Boulter vs Kayla Cross | BuyKatie Boulter50¢ → 0¢ | $5,000 | −$5,000 −100% | 6 |
| 81d |  RN1 | National Bank Open: Katie Boulter vs Kayla Cross | BuyKayla Cross45¢ → 100¢ | $1,701 | +$2,079 +122% | 6 |
| 81d | alaskabaked | National Bank Open: Katie Boulter vs Kayla Cross | BuyKatie Boulter50¢ → 0¢ | $2,486 | −$2,486 −100% | 6 |
| 81d | HomeRunHazard2 fills | National Bank Open: Katie Boulter vs Kayla Cross | BuyKatie Boulter56¢ → 0¢ | $6,916 | −$6,916 −100% | 6 |
| 81d | swy01 | National Bank Open: Katie Boulter vs Kayla Cross | BuyKatie Boulter67¢ → 0¢ | $1,718 | −$1,718 −100% | 6 |
| 81d | swy01 | National Bank Open: Katie Boulter vs Kayla Cross | SellKatie Boulter44¢ → 0¢ | $1,588 | +$1,588 +100% | — |
| 81d | omnibus-076daa | National Bank Open: Katie Boulter vs Kayla Cross | BuyKayla Cross36¢ → 100¢ | $1,003 | +$1,784 +178% | 6 |
This market refers to the tennis match between Katie Boulter and Kayla Cross in the National Bank Open, originally scheduled for August 3, 2026 at 10:00AM ET. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Kayla Cross. This market will resolve to 'Kayla Cross' if Kayla Cross advances against Katie Boulter. 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: 0¢ for National Bank Open: Katie Boulter vs Kayla Cross means the market gives it about 0%.