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Polymarket · SportsClosed
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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set Handicap +/-1.5 | 0% | — | — | — · <1¢ | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 1 Winner | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 2 Winner | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Match O/U 23.5 | 0% | — | — | — · <1¢ | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Match O/U 22.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Total Sets: O/U 2.5 | 0% | — | — | — · <1¢ | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set Handicap +/-1.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Completed Match | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Match O/U 21.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 2 O/U 8.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 1 O/U 8.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 2 O/U 9.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 1 O/U 9.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 2 O/U 10.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 1 O/U 10.5 | 0% | — | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 63d | afraz | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | SellChristopher OConnell>99¢ | $3,614 | — | — |
| 63d | Fair-Lobster | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | SellChristopher OConnell>99¢ | $1,427 | — | — |
| 63d | suntori | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | SellChristopher OConnell99¢ | $11,474 | — | — |
| 63d | Partto | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell98¢ | $1,713 | — | 4 |
| 63d | adsasdzz | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell81¢ | $1,132 | — | 5 |
| 63d | suntori3 fills | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell63¢ | $7,293 | — | 6 |
| 63d | Genuine-Turning-Research | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | SellKamil Majchrzak29¢ → 0¢ | $9,462 | +$9,462 +100% | — |
| 63d |  kamloic | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyKamil Majchrzak38¢ → 0¢ | $5,383 | −$5,383 −100% | 6 |
| 63d | Harmful-inclusion | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell64¢ | $2,000 | — | 6 |
| 63d | Genuine-Turning-Research | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyKamil Majchrzak36¢ → 0¢ | $12,000 | −$12,000 −100% | 6 |
| 63d |  TRCM | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell83¢ | $9,595 | — | 5 |
| 63d | HomeRunHazard | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyKamil Majchrzak22¢ → 0¢ | $1,498 | −$1,498 −100% | 6 |
| 63d | HomeRunHazard2 fills | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell73¢ | $6,281 | — | 6 |
| 63d | swisstony3 fills | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell68¢ | $8,991 | — | 6 |
| 63d | neutralwave23 | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | SellChristopher OConnell93¢ | $1,890 | — | — |
| 63d | afraz | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell90¢ | $3,256 | — | 5 |
| 63d | De-Damodar-Daar-Ma-Paani | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | SellKamil Majchrzak10¢ → 0¢ | $3,214 | +$3,214 +100% | — |
| 63d |  tradecraft | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell68¢ | $1,123 | — | 6 |
| 63d | mamee2 | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell68¢ | $2,465 | — | 6 |
| 63d | De-Damodar-Daar-Ma-Paani2 fills | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyKamil Majchrzak35¢ → 0¢ | $3,450 | −$3,450 −100% | 6 |
| 63d |  riggggggedGGGGr | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | SellChristopher OConnell66¢ | $1,020 | — | — |
| 63d | riggggggedGGGGr | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell63¢ | $1,093 | — | 6 |
| 63d | Ditto321 | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyKamil Majchrzak30¢ → 0¢ | $4,500 | −$4,500 −100% | 6 |
| 63d | daddynolose | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyKamil Majchrzak44¢ → 0¢ | $1,900 | −$1,900 −100% | 6 |
| 63d | neutralwave23 | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell70¢ | $1,423 | — | 6 |
| 63d | 0x1111111111 | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell46¢ | $1,429 | — | 6 |
| 63d | ferrariChampions2026 | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell41¢ | $5,127 | — | 6 |
| 63d | GamblingOdyssey | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell39¢ | $3,861 | — | 6 |
| 63d | booboo | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set Handicap +/-1.5 | BuyMajchrzak39¢ → 0¢ | $1,105 | −$1,105 −100% | 6 |
| 63d | fastball67 | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell38¢ | $1,384 | — | 6 |
| 64d | Fund01 | Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak | BuyChristopher OConnell37¢ | $3,230 | — | 4 |
kamloic14,298 sharesriggggggedGGGGr9,565 sharesThis market refers to the tennis match between Christopher O'Connell and Kamil Majchrzak in the Cincinnati Open, originally scheduled for August 14, 2026 at 2:00PM ET. This market will resolve to 'Christopher O'Connell' if Christopher O'Connell advances against Kamil Majchrzak. This market will resolve to 'Kamil Majchrzak' if Kamil Majchrzak advances against Christopher O'Connell. 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 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: 100¢ for Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak means the market gives it about 100%.