Set Handicap: Johns (-1.5) vs Martinez (+1.5)

Q: Set Handicap: Johns (-1.5) vs Martinez (+1.5)

Prediction markets currently price this at 98%. A YES share costs 98.0¢ and pays $1 if it happens. That is a return of 2.0% over 7d.

Kingston: Garrett Johns vs Pedro Martinez$4 liquidity$0 volumecloses 7d

TennisSportsGames

Trade on Polymarket

BUY YES

Cost: 98.0¢
Implied chance: 98.0%
Return if right: 2.0%
Spread cost: 98%

If you put in $100

You get 102.0 shares at 98.0¢ each.

YES wins: $102.04 back, a profit of $2.04. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $97.96 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: 98.0¢
Implied chance: 98.0%
Return if right: 2.0%
Spread cost: 98%

If you put in $100

You get 102.0 shares at 98.0¢ each.

NO wins: $102.04 back, a profit of $2.04. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $97.96 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 19, 08:52 AM4 further outcomes not shown

Latest news

headlines link to their publishers

Villa close in on Suzuki with Martinez future in doubtBBC Sport · 3d ago

Headlines are matched on the names in “Set Handicap: Johns (-1.5) vs Martinez (+1.5)”. 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 Garrett Johns and Pedro Martinez in the Kingston, originally scheduled for August 19, 2026 at 11:00AM ET. This market will resolve to "Johns" if Garrett Johns wins by 2 or more sets than Pedro Martinez, based on the final completed score. Otherwise, it will resolve to "Martinez." 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 Challenger results.

Source: https://www.atptour.com/en/scores/current