US Open WTA: Naomi Osaka vs Elise Mertens - Sep 11, 2026
Live Polymarket analytics for US Open WTA: Naomi Osaka vs Elise Mertens - Sep 11, 2026 — $246K volume. Whale positions, bot activity, and order book depth on PolyCollect.
Leading Outcomes
Osaka vs. Mertens: Set 1 Games O/U 8.5
100%Set 1 Winner: Osaka vs Mertens
100%US Open WTA: Naomi Osaka vs Elise Mertens
89%Set 2 Winner: Osaka vs Mertens
70%Set Handicap: Osaka (-1.5) vs Mertens (+1.5)
69%
Key metrics
Score = Volume + Liquidity + Spread. Whales add a small bonus.
Labels :
- Prime — score 88+ (after rounding), or strong volume + liquidity + tight spread with whales; not Thin
- Active — solid but below Prime thresholds
- Thin — low volume or wide spread (harder to trade size)
- Avoid — dead / illiquid, or market is closed
Not a prediction of how the market resolves
Number of seals (5K+), sharks (25K+) and whales (50K+) present in this market, throughout all outcomes
Outcome Analysis
Per-outcome prices, flow & whale positions
Resolution Criteria
This market refers to the tennis match between Naomi Osaka and Elise Mertens in the US Open WTA, originally scheduled for September 4, 2026 at 11:00AM ET.
This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Elise Mertens.
This market will resolve to 'Elise Mertens' if Elise Mertens advances against Naomi Osaka.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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.
Resolution source: https://www.wtatennis.com/scores
Related Markets
TrendingTrending by 24h net flow
Resolution Criteria
This market refers to the tennis match between Naomi Osaka and Elise Mertens in the US Open WTA, originally scheduled for September 4, 2026 at 11:00AM ET.
This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Elise Mertens.
This market will resolve to 'Elise Mertens' if Elise Mertens advances against Naomi Osaka.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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.
Resolution source: https://www.wtatennis.com/scores