Set 2 Winner: Siniakova/Zhang vs Errani/Melichar

Q: Set 2 Winner: Siniakova/Zhang vs Errani/Melichar

Prediction markets currently price this at 68%. A YES share costs 68.0¢ and pays $1 if it happens. That is a return of 47.1% over 7d.

National Bank Open (Doubles): Siniakova/Zhang vs Errani/Melichar$48 liquidity$0 volumecloses 7d

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Trade on Polymarket

BUY YES

Cost: 68.0¢
Implied chance: 68.0%
Return if right: 47.1%
Spread cost: 20%

If you put in $100

You get 147.1 shares at 68.0¢ each.

YES wins: $147.06 back, a profit of $47.06. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $11.67 of that profit. Without it you would make $58.73.

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: 42.0¢
Implied chance: 42.0%
Return if right: 138.1%
Spread cost: 19%

If you put in $100

You get 238.1 shares at 42.0¢ each.

NO wins: $238.10 back, a profit of $138.10. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $32.18 of that profit. Without it you would make $170.27.

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 13, 04:29 PM4 further outcomes not shown

Latest news

headlines link to their publishers

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 “Set 2 Winner: Siniakova/Zhang vs Errani/Melichar”. 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 Siniakova/Zhang and Errani/Melichar in the National Bank Open, originally scheduled for August 13, 2026 at 3:30PM ET. This market will resolve to “Siniakova/Zhang” if Siniakova/Zhang wins set 2. It will resolve to “Errani/Melichar” if Errani/Melichar wins set 2. If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50. Resolution will be based on official WTA match statistics.

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