What is Magic Formula Investing?
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Magic Formula Investing is an investment strategy proposed by Joel Greenblatt in his book "The Little Book That Still Beats the Market." This strategy selects stocks based on two key financial metrics: Return on Capital (ROC) and Earnings Yield (EY). The Magic Formula aims to systematically identify undervalued companies with strong profitability, leading to long-term excess returns.Key characteristics include:Return on Capital (ROC): Measures the efficiency of a company's use of capital to generate profits. The formula is ROC = EBIT / (Net Working Capital + Net Fixed Assets).Earnings Yield (EY): Measures a company's earnings relative to its market value. The formula is EY = EBIT / Enterprise Value.Systematic Selection: Each year, select the top 30 or 50 companies from the public market that meet the Magic Formula criteria.Long-Term Investment: The strategy emphasizes holding investments for the long term to realize the intrinsic value of undervalued companies.Example of Magic Formula Investing application:An investor uses the Magic Formula to screen for qualifying stocks. The selected stocks share high ROC and high EY characteristics. Following the Magic Formula's recommendations, the investor buys these stocks and holds them for the long term, reassessing and adjusting the portfolio annually. Through this approach, the investor aims to achieve returns above the market average.
Definition
Magic Formula Investing is an investment strategy proposed by Joel Greenblatt in his book "The Little Book That Still Beats the Market." This strategy selects stocks with potential high returns using two key financial metrics: Return on Capital (ROC) and Earnings Yield (EY). The aim of Magic Formula Investing is to systematically identify companies that are undervalued by the market and have strong profitability, thereby achieving long-term excess returns.
Origin
Magic Formula Investing was first introduced by Joel Greenblatt in 2005, detailed in his book "The Little Book That Still Beats the Market." Greenblatt's goal was to provide ordinary investors with a simple and effective method to achieve excess returns in the stock market.
Categories and Features
The main features of Magic Formula Investing include:
1. Return on Capital (ROC): Measures the efficiency of a company in generating profits from its capital, calculated as: ROC = EBIT / (Net Working Capital + Net Fixed Assets).
2. Earnings Yield (EY): Measures the ratio of a company's earnings per share to its market value, calculated as: EY = EBIT / Enterprise Value.
3. Systematic Selection: Annually selects the top 30 or 50 companies from the public market that meet the Magic Formula criteria for investment.
4. Long-term Investment: Emphasizes long-term holding to fully realize the intrinsic value of undervalued companies.
Case Studies
Suppose an investor uses the Magic Formula to select a batch of qualifying stocks. These stocks share common characteristics of high return on capital and high earnings yield. Following the Magic Formula's advice, the investor purchases these stocks and holds them long-term, reassessing and adjusting the portfolio annually. Through this method, the investor expects to achieve returns above the market average.
Common Issues
Investors may encounter issues when applying Magic Formula Investing, such as:
1. Market Volatility: Short-term market fluctuations may lead to poor portfolio performance, but long-term holding typically reveals the strategy's advantages.
2. Data Accuracy: Relies on accurate financial data, and incorrect data can lead to erroneous investment decisions.
