Classic Paper: Piotroski’s Efficient Value Investing
October 13, 2004 - Fundamental Valuation
We occasionally select for retrospective review an all-time “best selling” research paper of the past few years from the General Financial Markets category of the Social Science Research Network (SSRN). In his January 2002 paper entitled “Value Investing: The Use of Historical Financial Statement Information to Separate Winners from Losers”, Joseph Piotroski applies a simple accounting-based fundamental analysis strategy to a broad portfolio of high (top 20%) book-to-market firms to enhance returns. His stock scoring system (FSCORE) consists of nine binary signals based on profitability and value-specific financial measures (see the list below). Using stock returns and fundamentals for a broad sample of U.S. stocks during 1976 through 1996, he finds that: Keep Reading