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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open, Qualification ATP: Toby Samuel vs Billy Harris | 100% | +20 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set Handicap +/-1.5 | 0% | −54 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Game Spread +/-4.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set 1 Winner | 0% | −70 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set Handicap +/-1.5 | 0% | −53 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set 2 Winner | 100% | +29 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Total Sets: O/U 2.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set 1 O/U 8.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set 2 O/U 8.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Match O/U 21.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set 1 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Match O/U 22.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set 2 O/U 9.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set 1 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Match O/U 23.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Toby Samuel vs Billy Harris Set 2 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 58d | danielwolfmorales3pddb6dl6 | US Open, Qualification ATP: Toby Samuel vs Billy Harris | SellToby Samuel>99¢ | $14,985 | −$15 −0.1% | — |
| 58d |  LhordGryffin | US Open, Qualification ATP: Toby Samuel vs Billy Harris | BuyToby Samuel>99¢ | $2,073 | +$2 +0.1% | 4 |
| 58d | Flaznorp3 fills | US Open, Qualification ATP: Toby Samuel vs Billy Harris | BuyToby Samuel96¢ → 100¢ | $29,530 | +$1,107 +3.7% | 4 |
| 58d | HomeRunHazard2 fills | US Open, Qualification ATP: Toby Samuel vs Billy Harris | BuyToby Samuel95¢ → 100¢ | $6,538 | +$374 +5.7% | 4 |
| 58d | Valuable-Span-CasketNew account | US Open, Qualification ATP: Toby Samuel vs Billy Harris | SellToby Samuel92¢ → 100¢ | $1,144 | −$99 −8.7% | — |
| 58d | ehsantrade | US Open, Qualification ATP: Toby Samuel vs Billy Harris | SellToby Samuel89¢ → 100¢ | $7,120 | −$880 −12% | — |
| 58d |  tradecraft | US Open, Qualification ATP: Toby Samuel vs Billy Harris | BuyBilly Harris56¢ → 0¢ | $2,534 | −$2,534 −100% | 6 |
| 58d |  TRCM | US Open, Qualification ATP: Toby Samuel vs Billy Harris | BuyBilly Harris40¢ → 0¢ | $2,420 | −$2,420 −100% | 6 |
| 58d | danielwolfmorales3pddb6dl6 | US Open, Qualification ATP: Toby Samuel vs Billy Harris | BuyToby Samuel58¢ → 100¢ | $2,983 | +$2,160 +72% | 6 |
| 58d | mermlok | US Open, Qualification ATP: Toby Samuel vs Billy Harris | SellBilly Harris52¢ → 0¢ | $1,703 | +$1,703 +100% | — |
| 58d | mermlok | US Open, Qualification ATP: Toby Samuel vs Billy Harris | BuyBilly Harris53¢ → 0¢ | $2,332 | −$2,332 −100% | 6 |
TRCM12,066 sharesThis market refers to the tennis match between Toby Samuel and Billy Harris in the US Open, Qualification ATP, originally scheduled for August 26, 2026 at 11:00AM ET. This market will resolve to 'Toby Samuel' if Toby Samuel advances against Billy Harris. This market will resolve to 'Billy Harris' if Billy Harris advances against Toby Samuel. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 9, 2026, 11:59 PM ET (14 days after the scheduled start), 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 US Open, Qualification ATP: Toby Samuel vs Billy Harris means the market gives it about 100%.