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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Cincinnati Open: Katie Boulter vs Katie Volynets | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set 1 Winner | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Total Sets: O/U 2.5 | 100% | +59 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Match O/U 21.5 | 100% | +48 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set 2 Winner | 0% | −49 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Match O/U 22.5 | 100% | +55 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set 1 O/U 8.5 | 100% | +40 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set Handicap +/-1.5 | 0% | −32 pts | — | — · <1¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set 2 O/U 8.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set 2 O/U 9.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set 1 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Match O/U 23.5 | 100% | +58 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set 2 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| Cincinnati Open: Katie Boulter vs Katie Volynets Set 1 O/U 10.5 | 100% | +64 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 71d | jimbim2 | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter>99¢ | $7,812 | −$8 −0.1% | — |
| 71d | VFASA12 | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter>99¢ | $4,336 | −$4 −0.1% | — |
| 71d |  DoShanna456818 | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter>99¢ | $3,238 | −$3 −0.1% | — |
| 71d | alaskabaked | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter>99¢ | $3,672 | −$4 −0.1% | — |
| 71d |  alpheclabs | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter>99¢ | $2,533 | −$3 −0.1% | — |
| 71d | Brimoz | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter99¢ → 100¢ | $2,062 | −$21 −1.0% | — |
| 71d | Cbrojasg2 fills | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter82¢ → 100¢ | $2,570 | −$567 −22% | — |
| 71d | Cbrojasg2 fills | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter71¢ → 100¢ | $2,234 | +$904 +40% | 6 |
| 71d | Substantial-Service | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter76¢ → 100¢ | $1,083 | +$342 +32% | 6 |
| 71d | alaskabaked | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter58¢ → 100¢ | $2,119 | +$1,557 +73% | 6 |
| 71d | alaskabaked | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Volynets34¢ → 0¢ | $2,239 | +$2,239 +100% | — |
| 71d | HVAB | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter65¢ → 100¢ | $5,000 | +$2,692 +54% | 6 |
| 71d | pleasegivememoney888 | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Volynets60¢ → 0¢ | $3,603 | +$3,603 +100% | — |
| 71d | pleasegivememoney888 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets51¢ → 0¢ | $3,062 | −$3,062 −100% | 6 |
| 71d | danielwolfmorales3pddb6dl6 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets57¢ → 0¢ | $7,121 | −$7,121 −100% | 6 |
| 71d | DoShanna456818 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter46¢ → 100¢ | $1,500 | +$1,741 +116% | 6 |
| 71d | ferrariChampions20264 fills | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets37¢ → 0¢ | $9,984 | −$9,984 −100% | 6 |
| 71d | HomeRunHazard2 fills | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets47¢ → 0¢ | $4,819 | −$4,819 −100% | 6 |
| 71d | VFASA12 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter65¢ → 100¢ | $2,806 | +$1,535 +55% | 6 |
| 71d | HVAB | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Volynets42¢ → 0¢ | $7,196 | +$7,196 +100% | — |
| 71d | jimbim2 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter28¢ → 100¢ | $2,206 | +$5,614 +255% | 6 |
| 71d | jtwyslljy | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter25¢ → 100¢ | $2,500 | +$7,500 +300% | 6 |
| 71d |  RN1 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets74¢ → 0¢ | $1,724 | −$1,724 −100% | 6 |
| 71d | Yawning-Chicken3 fills | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets74¢ → 0¢ | $14,246 | −$14,246 −100% | 6 |
| 71d | Glittering-SorbetNew account | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets71¢ → 0¢ | $1,084 | −$1,084 −100% | 18 |
| 71d | HVAB | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets70¢ → 0¢ | $12,762 | −$12,762 −100% | 6 |
| 71d | alpheclabs | Cincinnati Open: Katie Boulter vs Katie Volynets Set 1 Winner | SellBoulter>99¢ | $6,320 | −$6 −0.1% | — |
| 71d | Omnipollo44 | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter70¢ → 100¢ | $3,400 | −$1,457 −43% | — |
| 71d | alaskabaked | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets70¢ → 0¢ | $4,557 | −$4,557 −100% | 6 |
| 71d | quackerandqj2 fills | Cincinnati Open: Katie Boulter vs Katie Volynets Set 1 Winner | BuyVolynets78¢ → 0¢ | $3,094 | −$3,094 −100% | 5 |
| 71d | ferrariChampions20265 fills | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter45¢ → 100¢ | $5,637 | +$6,796 +121% | 6 |
| 71d | Omnipollo44 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter62¢ → 100¢ | $3,000 | +$1,855 +62% | 6 |
| 71d |  boyau | Cincinnati Open: Katie Boulter vs Katie Volynets | SellKatie Boulter58¢ → 100¢ | $7,934 | −$5,745 −72% | — |
| 71d | mamee2 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter59¢ → 100¢ | $2,537 | +$1,763 +69% | 6 |
| 71d | AGUGava3 fills | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets52¢ → 0¢ | $23,399 | −$23,399 −100% | 6 |
| 71d | flatbarrel | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter46¢ → 100¢ | $5,520 | +$6,480 +117% | 6 |
| 71d | quackerandqj | Cincinnati Open: Katie Boulter vs Katie Volynets Set 1 Winner | BuyBoulter50¢ → 100¢ | $1,000 | +$1,000 +100% | 6 |
| 71d |  ForAndWithYou | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Boulter45¢ → 100¢ | $1,688 | +$2,063 +122% | 6 |
| 71d | Substantial-Service | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets53¢ → 0¢ | $13,105 | −$13,105 −100% | 6 |
| 71d | Follow555 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets52¢ → 0¢ | $1,800 | −$1,800 −100% | 4 |
| 71d | Hunter33 | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets52¢ → 0¢ | $1,800 | −$1,800 −100% | 4 |
| 71d | dv-pm | Cincinnati Open: Katie Boulter vs Katie Volynets | BuyKatie Volynets51¢ → 0¢ | $5,254 | −$5,254 −100% | 4 |
This market refers to the tennis match between Katie Boulter and Katie Volynets in the Cincinnati Open, originally scheduled for August 13, 2026 at 10:00AM ET. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Katie Volynets. This market will resolve to 'Katie Volynets' if Katie Volynets 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: 100¢ for Cincinnati Open: Katie Boulter vs Katie Volynets means the market gives it about 100%.