Oeiras 4: Sofia Costoulas vs Elena Pridankina
What resolves this contract
This market refers to the tennis match between Sofia Costoulas and Elena Pridankina in the Oeiras 4, originally scheduled for April 22, 2026 at 5:00AM ET. This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Elena Pridankina. This market will resolve to 'Elena Pridankina' if Elena Pridankina advances against Sofia Costoulas. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advanc
How to read the price
Prediction market prices are expressed in cents on the dollar. A YES contract trading at 1¢ means the market is pricing in a 1.0% implied probability of the event resolving YES. If resolution comes back YES, the contract pays $1. If NO, it pays $0.
Volume vs. open interest
Total traded volume ($97,658) reflects every buy and sell across the life of this contract. Open interest ($117,062) is the dollar value of positions currently held by traders. Deep liquidity and wide open interest are the two signals that the quoted price is reliable.
Where to trade this market
This contract is listed on Polymarket. PicksByOdds does not accept deposits, execute trades, or offer brokerage. We publish the data; you decide what to do with it.
Markets in the same story
| Market | YES | Volume |
|---|---|---|
| Will the US acquire part of Greenland in 2026? | 15¢ | $9,603,037 |
| Will María Corina Machado be the leader of Venezuela end of 2026? | 9¢ | $991,511 |
| 2026 Balance of Power: Other | 1¢ | $988,314 |
Common questions about this market
How is this market resolved?
This market refers to the tennis match between Sofia Costoulas and Elena Pridankina in the Oeiras 4, originally scheduled for April 22, 2026 at 5:00AM ET. This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Elena Pridankina. This market will resolve to 'Elena Pridankina' if Elena Pridankina advances against Sofia Costoulas. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advanc
When does this contract expire?
This contract closes on 2026-04-29, 7 days from now. After close, the final outcome is determined per the resolution rules above, and contracts settle at $1 (winning side) or $0 (losing side).
What happens if I buy YES at 1¢?
If the event resolves YES, each YES contract pays $1 , a profit of 99¢ per dollar risked. If it resolves NO, the contract pays $0 and the full 1¢ is lost. Current market price implies a 1.0% probability of YES.
Where is this market listed?
This contract is listed on Polymarket. PicksByOdds aggregates and displays public market data; we do not broker trades or custody funds.
How reliable is the quoted price?
This market has $97,658 in total traded volume and $117,062 in open interest. Deeper liquidity generally means tighter spreads and more reliable implied probabilities. Prices refresh multiple times per day.