PredictionStrike | 1,564 followers on LinkedIn. PredictionStrike is the first fantasy sports stock exchange where users can invest in their favorite athletes. | PredictionStrike (PS) is a simulated stock market that allows users to invest in "stock"​ of professional athletes. PS is a new way for users to engage with and analyze their favorite athletes'​ performance while earning a real monetary return. No one knows your favorite players better than you do.