Goldman Sachs released World Cup predictions giving Spain a 26% chance to win and France 19%.

The investment bank analyzed nearly 20,000 matches since 1978 but acknowledges soccer's inherent unpredictability limits its model.

Online prediction markets absorb more information than Goldman's model and tend to be more efficient, experts say.

AI-generated summary was reviewed by a CNN editor.

Think you know who’s going to win the World Cup? Think you know better than Goldman Sachs?