The F-Score screening criteria are as follows: Profitability signals. 1. Net Income - Score 1 if there is positive net income in the current year.

Throughout the past two years, the distribution of Piotroski F-scores for the Standard & Poor’s 500 index has generally shifted near all-time lows. While many of these companies had strong F ...

Our Piotroski High F-Score screening model has shown impressive long-term performance, with an average annual gain since 1998 of 14.9%, versus 5.7% for the S&P 500 index over the same period.