San Diego 2: Tristan Boyer vs Spencer Johnson

Q: San Diego 2: Tristan Boyer vs Spencer Johnson

Prediction markets currently price this at 49%. A YES share costs 49.0¢ and pays $1 if it happens. That is a return of 104.1% over 6d.

San Diego 2: Tristan Boyer vs Spencer Johnson$52k liquidity$800 volumecloses 6d

TennisSportsGames

Trade on Polymarket

BUY YES

Cost: 49.0¢
Implied chance: 49.0%
Return if right: 104.1%
Spread cost: 2%

If you put in $100

You get 204.1 shares at 49.0¢ each.

YES wins: $204.08 back, a profit of $104.08. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $2.10 of that profit. Without it you would make $106.19.

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: 52.0¢
Implied chance: 52.0%
Return if right: 92.3%
Spread cost: 2%

If you put in $100

You get 192.3 shares at 52.0¢ each.

NO wins: $192.31 back, a profit of $92.31. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $1.87 of that profit. Without it you would make $94.17.

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: Sep 22, 10:00 PM4 further outcomes not shown

Latest news

headlines link to their publishers

Headlines are matched on the names in “San Diego 2: Tristan Boyer vs Spencer Johnson”. 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 Tristan Boyer and Spencer Johnson in the San Diego 2, originally scheduled for September 22, 2026 at 5:00PM ET. This market will resolve to 'Tristan Boyer' if Tristan Boyer advances against Spencer Johnson. This market will resolve to 'Spencer Johnson' if Spencer Johnson advances against Tristan Boyer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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 ATP Tour. A consensus of credible reporting may also be used.

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