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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Madrid Open: Katerina Siniakova vs Caty McNally | 0% | −47 pts | — | — · <1¢ | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Set 1 Winner | 0% | −48 pts | — | — · <1¢ | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Match O/U 21.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Set 1 O/U 9.5 | 0% | −48 pts | — | — · <1¢ | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Set Handicap +/-1.5 | 0% | −29 pts | — | — · <1¢ | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Total Sets: O/U 2.5 | 100% | +61 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Set 1 O/U 10.5 | 0% | −23 pts | — | — · <1¢ | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Match O/U 22.5 | 100% | +56 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Match O/U 23.5 | 100% | +57 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Madrid Open: Katerina Siniakova vs Caty McNally Set 1 O/U 8.5 | 100% | +30 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 180d | Confused-Birthday | Madrid Open: Katerina Siniakova vs Caty McNally | SellCaty McNally>99¢ | $10,113 | −$10 −0.1% | — |
| 180d |  Kangta8585 | Madrid Open: Katerina Siniakova vs Caty McNally | SellCaty McNally>99¢ | $3,728 | −$4 −0.1% | — |
| 180d | DogecoinMillionaire | Madrid Open: Katerina Siniakova vs Caty McNally | SellCaty McNally>99¢ | $1,212 | −$1 −0.1% | — |
| 180d | dadasdaqw2 | Madrid Open: Katerina Siniakova vs Caty McNally | SellCaty McNally>99¢ | $1,870 | −$2 −0.1% | — |
| 180d | manvsrice42 | Madrid Open: Katerina Siniakova vs Caty McNally | SellCaty McNally99¢ → 100¢ | $1,180 | −$12 −1.0% | — |
| 180d | swisstony | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally99¢ → 100¢ | $27,216 | +$275 +1.0% | 4 |
| 180d |  sweetcaroline | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally99¢ → 100¢ | $2,474 | +$25 +1.0% | 4 |
| 180d | Menacing-Helium | Madrid Open: Katerina Siniakova vs Caty McNally | SellCaty McNally93¢ → 100¢ | $1,310 | −$97 −7.4% | — |
| 180d | manvsrice422 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally84¢ → 100¢ | $14,067 | +$2,736 +19% | 5 |
| 180d | redvinny2 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova74¢ → 0¢ | $6,643 | −$6,643 −100% | 6 |
| 180d | swisstony | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova52¢ → 0¢ | $1,688 | −$1,688 −100% | 6 |
| 180d | ferrariChampions20267 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova43¢ → 0¢ | $11,386 | −$11,386 −100% | 6 |
| 180d | redvinny3 fills | Madrid Open: Katerina Siniakova vs Caty McNally | SellKaterina Siniakova84¢ → 0¢ | $6,840 | +$6,840 +100% | — |
| 180d |  tradecraft4 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally36¢ → 100¢ | $7,223 | +$12,577 +174% | 6 |
| 180d |  RN12 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally29¢ → 100¢ | $5,053 | +$12,397 +245% | 6 |
| 180d | eokho2 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova72¢ → 0¢ | $4,658 | −$4,658 −100% | 6 |
| 180d | Lne89 | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova84¢ → 0¢ | $2,467 | −$2,467 −100% | 5 |
| 180d | tradecraft2 fills | Madrid Open: Katerina Siniakova vs Caty McNally | SellCaty McNally35¢ → 100¢ | $3,844 | −$7,256 −189% | — |
| 180d | daddybetting | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova78¢ → 0¢ | $1,843 | −$1,843 −100% | 5 |
| 180d | RN12 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova68¢ → 0¢ | $6,505 | −$6,505 −100% | 6 |
| 180d | fratii.brothers | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova83¢ → 0¢ | $3,346 | −$3,346 −100% | 5 |
| 180d |  doutrustlight | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova65¢ → 0¢ | $1,175 | −$1,175 −100% | 6 |
| 180d | sjqdhqsjgd652 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova50¢ → 0¢ | $14,548 | −$14,548 −100% | 6 |
| 180d | Kangta8585 | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally53¢ → 100¢ | $1,943 | +$1,734 +89% | 6 |
| 180d | Artfulone | Madrid Open: Katerina Siniakova vs Caty McNally | SellCaty McNally46¢ → 100¢ | $1,005 | −$1,180 −117% | — |
| 180d | rndmb32 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova44¢ → 0¢ | $4,639 | −$4,639 −100% | 4 |
| 180d | ferrariChampions20265 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally55¢ → 100¢ | $11,365 | +$9,370 +82% | 6 |
| 180d | HomeRunHazard | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova25¢ → 0¢ | $978 | −$978 −100% | 6 |
| 180d | jmm203 fills | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally66¢ → 100¢ | $14,777 | +$7,629 +52% | 6 |
| 180d | Artfulone | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally68¢ → 100¢ | $1,471 | +$692 +47% | 6 |
| 180d | tradecraft | Madrid Open: Katerina Siniakova vs Caty McNally | SellKaterina Siniakova45¢ → 0¢ | $1,109 | +$1,109 +100% | — |
| 180d | tradecraft | Madrid Open: Katerina Siniakova vs Caty McNally | BuyKaterina Siniakova50¢ → 0¢ | $2,910 | −$2,910 −100% | 6 |
| 181d | Confused-Birthday | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally56¢ → 100¢ | $5,585 | +$4,403 +79% | 6 |
| 181d | dadasdaqw2 | Madrid Open: Katerina Siniakova vs Caty McNally | BuyCaty McNally58¢ → 100¢ | $1,072 | +$776 +72% | 4 |
This market refers to the tennis match between Katerina Siniakova and Caty McNally in the Madrid Open, originally scheduled for April 26, 2026 at 5:00AM ET. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Caty McNally. This market will resolve to 'Caty McNally' if Caty McNally advances against Katerina Siniakova. 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 Madrid Open: Katerina Siniakova vs Caty McNally means the market gives it about 0%.