Cincinnati Open: Janice Tjen vs Mirra Andreeva

Q: Cincinnati Open: Janice Tjen vs Mirra Andreeva

Prediction markets currently price this at 19%. A YES share costs 19.0¢ and pays $1 if it happens. That is a return of 426.3% over 9d.

Cincinnati Open: Janice Tjen vs Mirra Andreeva$25k liquidity$242 volumecloses 9d

TennisSportsGames

Trade on Polymarket

BUY YES

Cost: 19.0¢
Implied chance: 19.0%
Return if right: 426.3%
Spread cost: 3%

If you put in $100

You get 526.3 shares at 19.0¢ each.

YES wins: $526.32 back, a profit of $426.32. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $14.22 of that profit. Without it you would make $440.54.

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: 82.0¢
Implied chance: 82.0%
Return if right: 22.0%
Spread cost: 3%

If you put in $100

You get 122.0 shares at 82.0¢ each.

NO wins: $121.95 back, a profit of $21.95. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $0.75 of that profit. Without it you would make $22.70.

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 17, 01:33 AM4 further outcomes not shown

Latest news

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Headlines are matched on the names in “Cincinnati Open: Janice Tjen vs Mirra Andreeva”. 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 Janice Tjen and Mirra Andreeva in the Cincinnati Open, originally scheduled for August 18, 2026 at 10:00AM ET. This market will resolve to 'Janice Tjen' if Janice Tjen advances against Mirra Andreeva. This market will resolve to 'Mirra Andreeva' if Mirra Andreeva advances against Janice Tjen. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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