Martinez vs. Tomas: Match O/U 21.5

Q: Martinez vs. Tomas: Match O/U 21.5

Prediction markets currently price this at 51%. A YES share costs 51.0¢ and pays $1 if it happens. That is a return of 96.1% over 7d.

ITF M25 Santander Men: Mikel Martinez vs Ian Lucca Cervantes Tomas$5k liquidity$0 volumecloses 7d

TennisSportsGames

Trade on Polymarket

BUY YES

Cost: 51.0¢
Implied chance: 51.0%
Return if right: 96.1%
Spread cost: 4%

If you put in $100

You get 196.1 shares at 51.0¢ each.

YES wins: $196.08 back, a profit of $96.08. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $3.92 of that profit. Without it you would make $100.00.

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: 51.0¢
Implied chance: 51.0%
Return if right: 96.1%
Spread cost: 4%

If you put in $100

You get 196.1 shares at 51.0¢ each.

NO wins: $196.08 back, a profit of $96.08. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $3.92 of that profit. Without it you would make $100.00.

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, 02:00 PM4 further outcomes not shown

Latest news

headlines link to their publishers

Villa close in on Suzuki with Martinez future in doubtBBC Sport · 1d ago

Headlines are matched on the names in “Martinez vs. Tomas: Match O/U 21.5”. 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 Mikel Martinez and Ian Lucca Cervantes Tomas in the ITF M25 Santander Men, originally scheduled for August 17, 2026 at 5:30AM ET. This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total. If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50. Resolution will be based on official ITF statistics.

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