Set Handicap: Ribeiro (-1.5) vs Marcos (+1.5)

Q: Set Handicap: Ribeiro (-1.5) vs Marcos (+1.5)

Prediction markets currently price this at 99%. A YES share costs 99.0¢ and pays $1 if it happens. That is a return of 1.0% over 8d.

Porto: Pedro Vives Marcos vs Eduardo Ribeiro$0 liquidity$0 volumecloses 8d

TennisSportsGames

Trade on Polymarket

BUY YES

Cost: 99.0¢
Implied chance: 99.0%
Return if right: 1.0%
Spread cost: 99%

If you put in $100

You get 101.0 shares at 99.0¢ each.

YES wins: $101.01 back, a profit of $1.01. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $98.99 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: 99.0¢
Implied chance: 99.0%
Return if right: 1.0%
Spread cost: 99%

If you put in $100

You get 101.0 shares at 99.0¢ each.

NO wins: $101.01 back, a profit of $1.01. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $98.99 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

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Latest: Aug 31, 09:24 PM4 further outcomes not shown

Latest news

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How this market resolves

This market refers to the tennis match between Eduardo Ribeiro and Pedro Vives Marcos in the Porto, originally scheduled for September 1, 2026 at 10:00AM ET. This market will resolve to "Ribeiro" if Eduardo Ribeiro wins by 2 or more sets than Pedro Vives Marcos, based on the final completed score. Otherwise, it will resolve to "Marcos." If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play. For example, if the deciding set has begun when the match ends, Eduardo Ribeiro can no longer win by 2 or more sets, and this market will resolve to "Marcos." If the match is canceled before play begins, or a result has not been determined by September 15, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Challenger results.

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