
Joel Greenblatt is a Columbia Business School professor, hedge fund manager, and author. He’s the founder of Gotham Capital, a New York-based investment firm that has delivered impressive returns over the years.
Greenblatt’s investment approach is centered around value investing, which involves looking for undervalued companies with strong fundamentals that have the potential to outperform the market.
Greenblatt’s Magic Formula
Greenblatt’s most notable contribution to the world of investing is his “Magic Formula,” a straightforward and accessible investment strategy that has been proven to work. The formula involves ranking companies based on two key metrics:
- Earnings Yield: This is calculated by dividing a company’s earnings before interest and taxes (EBIT) by its enterprise value (EV).
- Return on Capital: This measures a company’s profitability by dividing its EBIT by its net fixed assets.
By combining these two metrics, investors can identify companies that are not only cheap but also have a high return on capital. The Magic Formula is designed to help investors find companies that are undervalued by the market and have the potential to deliver high returns over time.
Greenblatt’s Books
You Can Be a Stock Market Genius

Joel Greenblatt’s You Can Be a Stock Market Genius offers a fresh perspective on investing, challenging readers to think beyond traditional stock-picking strategies. This book, though lighthearted in tone, delivers actionable insights into specialized areas of the stock market like spin-offs, mergers, risk arbitrage, and other overlooked opportunities. Greenblatt emphasizes that these niche investment areas often hold untapped potential, providing savvy investors with a chance to outperform the market. By leveraging detailed research and understanding company-specific catalysts, even everyday investors can find exceptional returns.
One of the key takeaways is the importance of doing your homework. Greenblatt outlines how many investors shy away from complex corporate events, leaving significant opportunities on the table. The book highlights how disciplined research—and the willingness to venture into less crowded areas of the market—can give you a real edge. This aligns perfectly with our philosophy: a frugal, thoughtful approach to money management paired with smart, long-term investments in vehicles like the S&P 500. For readers on their financial journey, this book is a reminder that knowledge and preparation are often the most valuable tools in achieving financial independence.
The Little Book That Still Beats the Market

Greenblatt’s book, The Little Book That Still Beats the Market, is a must-read for any value investor. Here are some key takeaways:
- Keep it Simple: Greenblatt emphasizes the importance of keeping your investment strategy simple and avoiding complexity.
- Focus on the Business: Instead of getting caught up in market trends and predictions, focus on understanding the underlying business and its fundamentals.
- Be Patient: Value investing requires patience, as it can take time for the market to recognize the value of a company.
- Diversify: Spread your investments across different industries and sectors to minimize risk.
How to Apply the Magic Formula
While the Magic Formula is a powerful tool, it’s essential to remember that it’s not a one-size-fits-all solution. Here are some tips for applying the Magic Formula in your own investing:
- Use a Stock Screener: Utilize a stock screener to filter companies based on the Magic Formula’s criteria.
- Do Your Own Research: Don’t rely solely on the formula – do your own research and due diligence on each company.
- Be Disciplined: Stick to your investment strategy and avoid making emotional decisions based on market volatility.
Joel Greenblatt’s value investing philosophy and Magic Formula have made a significant impact on the world of finance. By understanding and applying these principles, you can improve your investment returns and achieve your long-term financial goals. Remember to keep it simple, focus on the business, be patient, and diversify your portfolio.







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