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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA: Marta Kostyuk vs Storm Hunter | 100% | +11 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set Handicap +/-1.5 | 100% | +31 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Game Spread +/-5.5 | 100% | +45 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set 1 Winner | 100% | +19 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Total Sets: O/U 2.5 | 0% | −27 pts | — | — · <1¢ | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set 2 Winner | 100% | +32 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Match O/U 21.5 | 0% | −38 pts | — | — · <1¢ | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Match O/U 23.5 | 0% | −25 pts | — | — · <1¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set 1 O/U 8.5 | 100% | +43 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set 2 O/U 8.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set 1 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Match O/U 22.5 | 0% | −25 pts | — | — · <1¢ | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set 2 O/U 9.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set Handicap +/-1.5 | 0% | −6 pts | — | — · <1¢ | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set 1 O/U 10.5 | 0% | −32 pts | — | — · <1¢ | — | ended |
| US Open WTA: Marta Kostyuk vs Storm Hunter Set 2 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 54d | AnonymousPerson | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyMarta Kostyuk>99¢ | $1,559 | +$2 +0.1% | 4 |
| 54d | Flaznorp3 fills | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyMarta Kostyuk95¢ → 100¢ | $5,427 | +$302 +5.6% | 4 |
| 54d |  one8tyfive | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyMarta Kostyuk95¢ → 100¢ | $5,237 | +$276 +5.3% | 4 |
| 55d | Mad-Wound | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyMarta Kostyuk98¢ → 100¢ | $1,300 | +$31 +2.4% | 4 |
| 55d | HomeRunHazard | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyMarta Kostyuk97¢ → 100¢ | $3,894 | +$112 +2.9% | 4 |
| 55d | 0b12 fills | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyMarta Kostyuk91¢ → 100¢ | $15,098 | +$1,493 +9.9% | 5 |
| 55d | Substantial-Service | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyStorm Hunter9¢ → 0¢ | $1,481 | −$1,481 −100% | 6 |
| 55d | Cuco84 | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyMarta Kostyuk89¢ → 100¢ | $5,000 | +$618 +12% | 4 |
| 56d | dv-pm | US Open WTA: Marta Kostyuk vs Storm Hunter | BuyMarta Kostyuk88¢ → 100¢ | $1,043 | +$142 +14% | 4 |
RN18,420 sharesThis market refers to the tennis match between Marta Kostyuk and Storm Hunter in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Storm Hunter. This market will resolve to 'Storm Hunter' if Storm Hunter advances against Marta Kostyuk. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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 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 US Open WTA: Marta Kostyuk vs Storm Hunter means the market gives it about 100%.