US Open WTA: Naomi Osaka vs Anastasia Zakharova

Q: US Open WTA: Naomi Osaka vs Anastasia Zakharova

Prediction markets currently price this at 89%. A YES share costs 89.0¢ and pays $1 if it happens. That is a return of 12.4% over 9d.

US Open WTA: Naomi Osaka vs Anastasia Zakharova$8k liquidity$7 volumecloses 9d

TennisSportsGames

Trade on Polymarket

BUY YES

Cost: 89.0¢
Implied chance: 89.0%
Return if right: 12.4%
Spread cost: 5%

If you put in $100

You get 112.4 shares at 89.0¢ each.

YES wins: $112.36 back, a profit of $12.36. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $0.63 of that profit. Without it you would make $12.99.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy YES on Polymarket

BUY NO

Cost: 12.0¢
Implied chance: 12.0%
Return if right: 733.3%
Spread cost: 5%

If you put in $100

You get 833.3 shares at 12.0¢ each.

NO wins: $833.33 back, a profit of $733.33. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $36.23 of that profit. Without it you would make $769.57.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy NO on Polymarket

Chance over time

1H 6H 1D 1W 1M ALL

Latest: Aug 28, 07:36 PM4 further outcomes not shown

Latest news

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No recent headlines matched this market. We only show an article when the names in the question appear in its headline, so a very local or very new market often has nothing. Showing nothing is deliberate: an unrelated story here would read like evidence about the price.

Headlines are matched on the names in “US Open WTA: Naomi Osaka vs Anastasia Zakharova”. Nobody checks them by hand, so one may not be relevant. They also say nothing about whether the price has already moved on this news.

How this market resolves

This market refers to the tennis match between Naomi Osaka and Anastasia Zakharova in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Anastasia Zakharova. This market will resolve to 'Anastasia Zakharova' if Anastasia Zakharova 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 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.

Source: https://www.wtatennis.com/scores