The Piotroski F-Score is a 0–9 accounting scorecard developed by Joseph Piotroski in 2000 to identify financially strong value stocks and filter out value traps.
Joel Greenblatt's Magic Formula ranks stocks by two factors - earnings yield and return on capital - and beat the market in 96% of rolling 5-year periods across a 17-year backtest. This guide explains how the strategy works, what the data shows, and how to apply it as a self-directed investor.
The highest free cash flow yield stocks for 2026 — screened across 22,000+ companies in 45+ countries. Updated with live data. FCF yield explained with real examples.
Joel Greenblatt's Magic Formula ranks stocks by earnings yield and return on capital. See our 20-year backtest results, current top stocks, and how to use the screener to find them
The "don't miss the best days" argument examined with data. See what the research actually shows — and why a disciplined exit strategy outperforms staying fully invested.