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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | 100% | +59 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 1 O/U 9.5 | 0% | −45 pts | — | — · <1¢ | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 1 Winner | 100% | +56 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 2 Winner | 0% | −43 pts | — | — · <1¢ | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Game Spread +/-1.5 | 0% | −55 pts | — | — · <1¢ | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set Handicap +/-1.5 | 0% | −23 pts | — | — · <1¢ | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Match O/U 22.5 | 100% | +57 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Match O/U 21.5 | 100% | +51 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set Handicap +/-1.5 | 0% | −37 pts | — | — · <1¢ | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Total Sets: O/U 2.5 | 100% | +60 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Match O/U 23.5 | 100% | +59 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 1 O/U 8.5 | 100% | +35 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 2 O/U 8.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 2 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 1 O/U 10.5 | 0% | −34 pts | — | — · <1¢ | — | ended |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 2 O/U 10.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 47d | alexdave888 | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | SellLucrezia Stefanini>99¢ | $9,990 | −$10 −0.1% | — |
| 47d | greyner | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | SellLucrezia Stefanini>99¢ | $1,025 | −$1 −0.1% | — |
| 47d | greyner | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini99¢ → 100¢ | $1,016 | +$10 +1.0% | 4 |
| 47d | HomeRunHazard2 fills | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini64¢ → 100¢ | $4,875 | +$2,757 +57% | 6 |
| 47d | Flaznorp4 fills | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini78¢ → 100¢ | $13,462 | +$3,714 +28% | 5 |
| 47d |  TRCM | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyDayana Yastremska14¢ → 0¢ | $1,274 | −$1,274 −100% | 6 |
| 47d |  tradecraft | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyDayana Yastremska15¢ → 0¢ | $1,079 | −$1,079 −100% | 6 |
| 47d | ehsantrade | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | SellDayana Yastremska32¢ → 0¢ | $2,898 | +$2,898 +100% | — |
| 47d | hopper6 | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini68¢ → 100¢ | $2,160 | +$1,016 +47% | 6 |
| 47d | beachboy410 fills | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini64¢ → 100¢ | $64,316 | +$36,237 +56% | 6 |
| 47d | ferrariChampions2026 | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyDayana Yastremska21¢ → 0¢ | $1,721 | −$1,721 −100% | 6 |
| 47d | Hard-Ironclad2 fills | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 1 O/U 9.5 | BuyUnder97¢ → 100¢ | $3,499 | +$101 +2.9% | 4 |
| 47d | alexdave888 | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini54¢ → 100¢ | $2,818 | +$2,400 +85% | 6 |
| 47d | ferrariChampions20262 fills | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini51¢ → 100¢ | $9,429 | +$9,092 +96% | 4 |
| 47d | astapzippo | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyDayana Yastremska44¢ → 0¢ | $1,123 | −$1,123 −100% | 6 |
| 47d | MartelloneNando | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini49¢ → 100¢ | $1,300 | +$1,353 +104% | 6 |
| 47d | zagzig1232 fills | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini48¢ → 100¢ | $10,589 | +$11,633 +110% | 6 |
| 47d | justwins | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini45¢ → 100¢ | $2,258 | +$2,759 +122% | 6 |
| 47d | NiNo999 | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyDayana Yastremska56¢ → 0¢ | $24,500 | −$24,500 −100% | 6 |
| 48d | AGUGava3 fills | US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | BuyLucrezia Stefanini45¢ → 100¢ | $12,506 | +$15,434 +123% | 4 |
This market refers to the tennis match between Lucrezia Stefanini and Dayana Yastremska in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Lucrezia Stefanini' if Lucrezia Stefanini advances against Dayana Yastremska. This market will resolve to 'Dayana Yastremska' if Dayana Yastremska advances against Lucrezia Stefanini. 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: Lucrezia Stefanini vs Dayana Yastremska means the market gives it about 100%.