US Open WTA: Naomi Osaka vs Elise Mertens
11 signals across 2 markets · $197,174 tracked · resolves Sep 11, 2026
Follow the US Open WTA prediction market for Naomi Osaka vs Elise Mertens, including the Osaka -4.5 and Mertens +4.5 game-spread outcomes. PolySpotter is tracking $6,000 in smart money, including a recent sharp bettor scaling into Mertens.
Markets (2)
Top trades across all markets
- Sharp cluster piling into Mertens
Six wallets added $24.4K to Elise Mertens, including highly profitable bettors with strong historical edges, while her price surged nearly 20 percentage points.
$24,410Score: 8.2 - 95% winner adds to Mertens
A highly proven serial bettor with a 95% win rate added $10,000 to Elise Mertens despite the market later falling to 42%.
$10,000Wallet win rate: 96%Score: 6.2 - Sharp bettor scales into Mertens
A highly profitable bettor with an 84% win rate is adding $6,000 to an already sizable Mertens position in an extremely thin market.
$1,300Wallet win rate: 85%Score: 5.4 - Sharp bettor scales into Mertens
A highly profitable bettor with an 84% win rate is adding $6,000 to an already sizable Mertens position in an extremely thin market.
$6,000Wallet win rate: 85%Score: 5.4 - Sharp bettor scaling into Osaka
A highly profitable bettor with 78% wins and a substantial edge is adding to an existing Naomi Osaka position while maintaining a broad serial cross-market record.
$3,911Wallet win rate: 79%Score: 4.9 - 89% serial bettor scaling Osaka
A serial cross-market bettor with an 89% win rate is adding $10,032 to an existing Naomi Osaka position at 76%, making this a meaningful conviction trade despite the modest composite score.
$11,352Wallet win rate: 89%Score: 4.6 - 89% serial bettor scaling Osaka
A serial cross-market bettor with an 89% win rate is adding $10,032 to an existing Naomi Osaka position at 76%, making this a meaningful conviction trade despite the modest composite score.
$10,032Wallet win rate: 89%Score: 4.3 - Sharp bettor scales into Osaka
A proven serial sports trader with a 79% win rate is adding $26.8K to an existing Naomi Osaka position at 87¢.
$26,780Wallet win rate: 83%Score: 4.3 - Profitable whale scales into Osaka
A highly profitable serial trader added another $37,381 to an already large Naomi Osaka position in a relatively quiet market.
$37,381Wallet win rate: 57%Score: 3.1 - Profitable whale scales into Osaka
A highly profitable serial trader added another $37,381 to an already large Naomi Osaka position in a relatively quiet market.
$47,768Wallet win rate: 57%Score: 2.5
Top wallets in this event
- 0xc2e780…be51$103,389 · 1 market · 3 alerts · 57% wins
- 0x52f5ef…5e8a$26,780 · 1 market · 1 alert · 83% wins
- 0x1e386b…fd47$21,384 · 1 market · 2 alerts · 89% wins
- 0x756833…2ce1$10,000 · 1 market · 1 alert · 96% wins
- 0xbbf379…aa3a$7,300 · 1 market · 2 alerts · 85% wins
- 0x125084…8f99$3,911 · 1 market · 1 alert · 79% wins
FAQs
What are the Osaka vs Mertens prediction-market odds?
This event tracks the Osaka vs Mertens matchup through a game-spread market: Osaka -4.5 versus Mertens +4.5. Check the live Polymarket prices for the latest implied odds.
What is the smart money doing in Osaka vs Mertens?
PolySpotter has tracked $6,000 in smart money across the event and one signal so far. The latest alert says a sharp bettor scaled into Mertens.
What markets are available for Osaka vs Mertens?
The event currently includes one child market covering the game spread, with outcomes for Osaka -4.5 and Mertens +4.5.
When is the Osaka vs Mertens match scheduled?
The US Open WTA match is scheduled for September 4, 2026 at 11:00 AM ET. The event is set to resolve after the match outcome is determined, subject to its stated rules.
How does this Osaka vs Mertens prediction market resolve?
The underlying event refers to which player advances, while the listed child market trades the Osaka -4.5 versus Mertens +4.5 spread. Review the official Polymarket rules for cancellation, tie, and deadline conditions.