Profilo e filosofia di investimento

Joel Greenblatt, founder of Gotham Capital and author of the influential "The Little Book That Beats the Market," has built a dual investment philosophy that spans the most systematic end of quantitative value investing and the most discretionary end of special situations investing. His "Magic Formula" — a systematic screen for companies with high earnings yields combined with high returns on invested capital — has become one of the most widely tested quantitative strategies in academic and practitioner finance. The formula encapsulates Buffett's insight that the best investment is a great business at a fair price, implemented at scale through a rules-based process that removes behavioral bias. Greenblatt argues that the Magic Formula underperforms the market in any given three-year period roughly 25% of the time — and that this very fact is what makes it work long-term, as most investors abandon systematic approaches at the worst possible moment. Beyond quantitative strategies, Gotham has historically excelled at special situations: spin-offs, restructurings, recapitalizations, and corporate reorganizations where the complexity of an event creates temporary mispricing invisible to generalist investors. Greenblatt views spin-offs as one of the most reliable sources of alpha, arguing that they consistently trade below fair value because institutional investors are forced to sell them regardless of quality. His investment research course at Columbia Business School has shaped a generation of value investors. Greenblatt's philosophy is distinctive in its emphasis on process over prediction: by removing the emotional components of investment decision-making, systematic value strategies extract the market's inherent tendency to misprice businesses over short time horizons.

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