Deportivo Saprissa vs. Guadalupe FC: O/U 3.5
Prediction markets currently give a 44% probability that Deportivo Saprissa vs. Guadalupe FC: O/U 3.5. This contract trades at 44¢ on Polymarket, closing April 23, 2026. The Under 3.5 contract is pricing at 41¢ with an extreme 8,871% implied yield, suggesting severe mispricing or liquidity crisis rather than genuine edge—the $0 24-hour volume and 65¢ spread on just $44k open interest confirm this is an illiquid, speculative position.
Analysis
The Under 3.5 contract is pricing at 41¢ with an extreme 8,871% implied yield, suggesting severe mispricing or liquidity crisis rather than genuine edge—the $0 24-hour volume and 65¢ spread on just $44k open interest confirm this is an illiquid, speculative position. Price has collapsed 21 percentage points over 7 days (52¢ to 41¢) amid 766% realized volatility, indicating either model recalibration or thin-market noise rather than information arrival (1.9/h rate is modest). With only 6 days to a Liga Promerica match and a Cliff Risk Index of 1.0, this appears to be a dead-end market where the extreme yield reflects illiquidity premium rather than predictive opportunity.
Resolution rules
In the upcoming Liga Promerica game between Deportivo Saprissa and Guadalupe FC, scheduled for April 22 at 10:00 PM ET: This market will resolve to "Over" if Deportivo Saprissa and Guadalupe FC combine to score 4 or more goals in this game. If the combined total is less than 4, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50–50. If the game is started but not completed, this market will resolve according to the official final score published on unafut.com. This market refers only to the outcome within the first 90 minutes of regular play plus stoppage time. The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Indicators
▶ Full indicator table (6)▼ Full indicator table (6)
| Indicator | Value |
|---|---|
| Adj IY | 10000% |
| CRI | 1 |
| RV | 113% |
| VR | 0.03 |
| IAR | 0.3/h |
| Overround | 2.7% |
Regime
Trade
sf trade 0x43c0dd243b923327e5d40f93d7baceb7e51a8ec8d4b702c886d266b4b6bd7ffc yes 100