Madrid Open, Qualification: Billy Harris vs Daniel Merida Aguilar
What resolves this contract
This market refers to the tennis match between Billy Harris and Daniel Merida Aguilar in the Madrid Open, Qualification, originally scheduled for April 20, 2026 at 7:00AM ET. This market will resolve to 'Billy Harris' if Billy Harris advances against Daniel Merida Aguilar. This market will resolve to 'Daniel Merida Aguilar' if Daniel Merida Aguilar advances against Billy Harris. 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 comple
How to read the price
Prediction market prices are expressed in cents on the dollar. A YES contract trading at 21¢ means the market is pricing in a 21.5% 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 ($9,603) reflects every buy and sell across the life of this contract. Open interest ($16,230) 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 Ron DeSantis win the 2028 US Presidential Election? | 1¢ | $9,812,082 |
| Trump out as President by April 30? | 1¢ | $9,730,918 |
| Will Ro Khanna win the 2028 Democratic presidential nomination? | 1¢ | $9,724,958 |
Common questions about this market
How is this market resolved?
This market refers to the tennis match between Billy Harris and Daniel Merida Aguilar in the Madrid Open, Qualification, originally scheduled for April 20, 2026 at 7:00AM ET. This market will resolve to 'Billy Harris' if Billy Harris advances against Daniel Merida Aguilar. This market will resolve to 'Daniel Merida Aguilar' if Daniel Merida Aguilar advances against Billy Harris. 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 comple
When does this contract expire?
This contract closes on 2026-04-27, 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 21¢?
If the event resolves YES, each YES contract pays $1 , a profit of 78¢ per dollar risked. If it resolves NO, the contract pays $0 and the full 21¢ is lost. Current market price implies a 21.5% 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 $9,603 in total traded volume and $16,230 in open interest. Deeper liquidity generally means tighter spreads and more reliable implied probabilities. Prices refresh multiple times per day.