Set 1 Winner: Grammatikopoulou vs Okutoyi

Q: Set 1 Winner: Grammatikopoulou vs Okutoyi

Prediction markets currently price this at 57%. A YES share costs 57.0¢ and pays $1 if it happens. That is a return of 75.4% over 7d.

ITF WOMEN - SINGLES: W35 Verbier 2 (Switzerland), clay: Valentini Grammatikopoulou vs Angella Okutoyi$2k liquidity$22 volumecloses 7d

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Trade on Polymarket

BUY YES

Cost: 57.0¢
Implied chance: 57.0%
Return if right: 75.4%
Spread cost: 6%

If you put in $100

You get 175.4 shares at 57.0¢ each.

YES wins: $175.44 back, a profit of $75.44. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $4.74 of that profit. Without it you would make $80.18.

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: 46.0¢
Implied chance: 46.0%
Return if right: 117.4%
Spread cost: 6%

If you put in $100

You get 217.4 shares at 46.0¢ each.

NO wins: $217.39 back, a profit of $117.39. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $7.33 of that profit. Without it you would make $124.72.

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, 04:39 AM4 further outcomes not shown

Latest news

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Headlines are matched on the names in “Set 1 Winner: Grammatikopoulou vs Okutoyi”. 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 Valentini Grammatikopoulou and Angella Okutoyi in the ITF WOMEN - SINGLES: W35 Verbier 2 (Switzerland), clay, originally scheduled for August 28, 2026 at 4:00AM ET. This market will resolve to “Grammatikopoulou” if Valentini Grammatikopoulou wins the first set. It will resolve to “Okutoyi” if Angella Okutoyi wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by September 11, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official ITF match statistics.

Source: https://www.itftennis.com/en/tournament-calendar/