US Open WTA: Naomi Osaka vs Katerina Siniakova
3 signals across 1 market · $15,278 tracked · resolves Sep 9, 2026
Follow the Polymarket prediction market for Naomi Osaka vs Katerina Siniakova at the 2026 US Open. The market trades the match winner, with a recent alert showing a profitable serial trader backing Osaka and $7,910 in tracked smart money.
Markets (1)
Top trades across all markets
- 18-wallet Osaka-backed cluster
An 18-wallet funded cluster is backing Osaka with a sizable bet, creating a strong coordinated-flow signal despite the lead wallet's limited demonstrated edge at near-certain prices.
$3,068Wallet win rate: 97%Score: 7.2 - Profitable serial trader backs Osaka
A highly profitable serial trader made a concentrated $7,910 bet on Osaka in a very low-volume market, warranting attention despite limited corroborating signals.
$7,910Wallet win rate: 64%Score: 4.0 - Serial sharp bettor backs Osaka
A highly experienced serial trader with an 83% win rate and nearly $688K profit made a concentrated $4,300 bet on Naomi Osaka in a relatively quiet market.
$4,300Wallet win rate: 84%Score: 4.0
Top wallets in this event
- 0xfe787d…0319$7,910 · 1 market · 1 alert · 64% wins
- 0x479e33…91c3$4,300 · 1 market · 1 alert · 84% wins
- 0x0b2e73…ca20$3,068 · 1 market · 1 alert · 97% wins
FAQs
What are the Osaka vs Siniakova prediction-market odds?
This event page tracks the live Polymarket odds for Naomi Osaka and Katerina Siniakova to advance. Odds can change as traders update their positions and new information emerges.
What is smart money betting on in this match?
PolySpotter recorded one smart money signal totaling $7,910 across the event. The latest alert reports that a profitable serial trader backed Naomi Osaka.
When is the Osaka vs Siniakova US Open match?
The match was originally scheduled for September 2, 2026, at 11:00 AM ET.
When will the Osaka vs Siniakova market resolve?
The event is listed as resolving by September 9, 2026. It resolves for the player who advances; cancellation or an unresolved result is handled according to the market rules.