US Open WTA: Katie Boulter vs Karolina Muchova

Q: US Open WTA: Katie Boulter vs Karolina Muchova

Prediction markets currently price this at 23%. A YES share costs 23.0¢ and pays $1 if it happens. That is a return of 334.8% over 8d.

US Open WTA: Katie Boulter vs Karolina Muchova$10k liquidity$0 volumecloses 8d

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Trade on Polymarket

BUY YES

Cost: 23.0¢
Implied chance: 23.0%
Return if right: 334.8%
Spread cost: 19%

If you put in $100

You get 434.8 shares at 23.0¢ each.

YES wins: $434.78 back, a profit of $334.78. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $78.04 of that profit. Without it you would make $412.82.

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: 84.0¢
Implied chance: 84.0%
Return if right: 19.0%
Spread cost: 21%

If you put in $100

You get 119.0 shares at 84.0¢ each.

NO wins: $119.05 back, a profit of $19.05. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $5.18 of that profit. Without it you would make $24.22.

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 31, 09:08 PM4 further outcomes not shown

Latest news

headlines link to their publishers

Czech pair Karolina Muchova and Jakub Mensik win US Open mixed doublesAl Jazeera · 5d ago

Headlines are matched on the names in “US Open WTA: Katie Boulter vs Karolina Muchova”. 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 Katie Boulter and Karolina Muchova in the US Open WTA, originally scheduled for September 1, 2026 at 11:00AM ET. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Karolina Muchova. This market will resolve to 'Karolina Muchova' if Karolina Muchova advances against Katie Boulter. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 15, 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