Magic Formula Investing
Encyclopedia
Magic Formula Investing is a term that refers to an investment technique outlined by Joel Greenblatt
Joel Greenblatt
Joel Greenblatt is a value investor, and adjunct professor at the Columbia University Graduate School of Business...

 that uses the principles of value investing
Value investing
Value investing is an investment paradigm that derives from the ideas on investment and speculation that Ben Graham and David Dodd began teaching at Columbia Business School in 1928 and subsequently developed in their 1934 text Security Analysis...

.

Methodology

Greenblatt suggests purchasing 30 "good companies": cheap stocks with a high earnings yield
Earnings yield
Earnings yield is the quotient of earnings per share divided by the share price. It is the reciprocal of the P/E ratio.The earnings yield is quoted as a percentage, allowing an easy comparison to going bond rates.-Applications:...

 and a high return on capital. He touts the success of his magic formula in his book The Little Book that Beats the Market, citing that it does in fact beat the S&P 500
S&P 500
The S&P 500 is a free-float capitalization-weighted index published since 1957 of the prices of 500 large-cap common stocks actively traded in the United States. The stocks included in the S&P 500 are those of large publicly held companies that trade on either of the two largest American stock...

 96% of the time, and has averaged a 17-year annual return of 30.8%

Formula

  1. Establish a minimum market capitalization
    Market capitalization
    Market capitalization is a measurement of the value of the ownership interest that shareholders hold in a business enterprise. It is equal to the share price times the number of shares outstanding of a publicly traded company...

     (usually greater than $50 million).
  2. Exclude utility
    Public utility
    A public utility is an organization that maintains the infrastructure for a public service . Public utilities are subject to forms of public control and regulation ranging from local community-based groups to state-wide government monopolies...

     and financial
    FINANCIAL
    FINANCIAL is the weekly English-language newspaper with offices in Tbilisi, Georgia and Kiev, Ukraine. Published by Intelligence Group LLC, FINANCIAL is focused on opinion leaders and top business decision-makers; It's about world’s largest companies, investing, careers, and small business. It is...

     stocks
  3. Exclude foreign companies (American Depositary Receipt
    American Depositary Receipt
    An American depositary receipt is a negotiable security that represents the underlying securities of a non-U.S. company that trades in the US financial markets...

    s)
  4. Determine company's earnings yield
    Earnings yield
    Earnings yield is the quotient of earnings per share divided by the share price. It is the reciprocal of the P/E ratio.The earnings yield is quoted as a percentage, allowing an easy comparison to going bond rates.-Applications:...

     = EBIT
    Earnings before interest and taxes
    In accounting and finance, earnings before interest and taxes is a measure of a firm's profit that excludes interest and income tax expenses. Operating income is the difference between operating revenues and operating expenses...

     / enterprise value
    Enterprise value
    Enterprise value , Total enterprise value , or Firm value is an economic measure reflecting the market value of a whole business. It is a sum of claims of all the security-holders: debtholders, preferred shareholders, minority shareholders, common equity holders, and others...

    .
  5. Determine company's return on capital = EBIT
    Earnings before interest and taxes
    In accounting and finance, earnings before interest and taxes is a measure of a firm's profit that excludes interest and income tax expenses. Operating income is the difference between operating revenues and operating expenses...

     / (Net fixed assets + working capital
    Working capital
    Working capital is a financial metric which represents operating liquidity available to a business, organization or other entity, including governmental entity. Along with fixed assets such as plant and equipment, working capital is considered a part of operating capital. Net working capital is...

    )
  6. Rank all companies above chosen market capitalization
    Market capitalization
    Market capitalization is a measurement of the value of the ownership interest that shareholders hold in a business enterprise. It is equal to the share price times the number of shares outstanding of a publicly traded company...

     by highest earnings yield and highest return on capital (ranked as percentage
    Percentage
    In mathematics, a percentage is a way of expressing a number as a fraction of 100 . It is often denoted using the percent sign, “%”, or the abbreviation “pct”. For example, 45% is equal to 45/100, or 0.45.Percentages are used to express how large/small one quantity is, relative to another quantity...

    s).
  7. Invest in 20-30 highest ranked companies, accumulating 2-3 positions per month over a 12-month period.
  8. Re-balance portfolio
    Portfolio (finance)
    Portfolio is a financial term denoting a collection of investments held by an investment company, hedge fund, financial institution or individual.-Definition:The term portfolio refers to any collection of financial assets such as stocks, bonds and cash...

    once per year, selling losers one week before the year-mark and winners one week after the year mark.
  9. Continue over a long-term (3-5+ year) period.

Risks

The 17-year annual return of 30.8% is a theoretical average based on purchasing all stocks that show up on the screen every year for 17 years. In practice investors do not do this, rather accumulating 2-3 positions per month over a 12-month period. Historically many stocks that show up on the screen are duds, for example Crocs (CROX), a Magic Formula stock in early 2008 at $21, which subsequently dropped 94% over the next 12 months; or Heely's (HLYS), which in the same period fell from $4.50 to $1.50, a 73% decline. If investors had picked these stocks, for example, their performance would have been significantly worse than the theoretical average of 30.8%. Thus timing when to buy, and which stocks, plays a role in the performance of the strategy.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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