James P. O'Shaughnessy Portfolio - What Works on Wall Street
Last Updated: 9/30/2023
James P. O'Shaughnessy Portfolio Strategy Explanation Video
Research guru and money manager James O'Shaughnessy forced many professional and amateur investors alike to rethink their investment beliefs when he published his 1996 bestseller, What Works on Wall Street. O'Shaughnessy back-tested 44 years of stock market data from the comprehensive Standard & Poor's Compustat database to find out which quantitative strategies have worked over the years and which haven't. To the surprise of many, he concluded that price/earnings ratios aren't the best indicator of a stock's value, and that small-company stocks, contrary to popular wisdom, don't as a group have an edge on large-company stocks. Today O'Shaughnessy is the Chief Investment Officer of O'Shaughnessy Asset Management.
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