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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider | 0% | — | — | — · <1¢ | — | ended |
| Completed Match | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set 1 Winner | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set 2 Winner | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Total Sets: O/U 2.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set 1 O/U 8.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set 1 O/U 9.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set 1 O/U 10.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set 2 O/U 8.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set 2 O/U 9.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set 2 O/U 10.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Match O/U 21.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Match O/U 22.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Match O/U 23.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set Handicap +/-1.5 | 0% | — | — | — · <1¢ | — | ended |
| US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider Set Handicap +/-1.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
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VitMo20 sharesThis market refers to the doubles tennis match between Hsieh/Ostapenko and Mertens/Shnaider in the US Open WTA, originally scheduled for September 8, 2026 at 11:00AM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Mertens/Shnaider. This market will resolve to 'Mertens/Shnaider' if the team of Mertens/Shnaider advances against Hsieh/Ostapenko. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 US Open WTA (Doubles): Hsieh/Ostapenko vs Mertens/Shnaider means the market gives it about 0%.