Magic Formula Stocks - Joel Greenblatt

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What is Joel Greenblatt Magic Formula?


Joel Greenblatt is Background A widely respected hedge-fund manager. Joel Greenblatt, started as a value purist but was influenced by Warren Buffett's view about growth being part of the value equation. He founded Gotham Capital, a fund which apparently returned over 40% annualized from 1985 to 2005. By 1995, it had returned all money to its outside investors. He has authored two books, "You Can Be a Stock Market Genius" and New York Times bestsellier, "The Little Book That Beats the Market," and is also adjunct professor at Columbia University Business School. Greenblatt espouses MFI as a do-it-yourself version of the approach he has used while amassing his investment track record. With the "Little Book," Greenblatt wanted to write a book his children could read and learn from. The main point Greenblatt makes is that investors should buy good companies at bargain prices.

Magic Formula Investing uses return on capital and earnings yield as its inputs. Return on capital is seen as the best determinant of whether a business is a good one or not. Companies that can earn a high ROC over time generally have a special advantage that keeps competition from destroying it (e.g., name recognition, a new product that is hard to duplicate or a unique business model).

Earnings yield is the metric that shows whether a company is cheap or not. Greenblatt says that stock prices of a firm can experience "wild" swings even as the value of the company stays relatively constant giving investors opportunities to buy low and sell high.

Calculation/Definition of the Magic Formula:

1. Define minimum Market Capitalization that meets your liquidity needs. Greenblatt used a market capitalization floor of $50 million, but advised that you can set the minimum as high as $5 billion.
2. Sector Filter: Due to their unique financial structures, all stocks in the financial and utility sectors are excluded. Calculate Earnings Yield = EBIT / enterprise value.
3. Calculate Return on Capital = EBIT / (Net fixed assets + working capital)
4. EY Rank: Rank the stocks in descending order based on Earnings Yield and assign a rank number to each.
5. ROC Rank: Rank the same stocks in descending order based on Return on Capital and assign a rank number to each.
6. Add the rankings and select stocks that have the lowest combined ranking score. So a company that is ranked 358nd best in terms of ROC and 122rd highest in EY would gets a better combined ranking (i.e., 470) than a company that is ranked 1st in ROIC but only 950th best in EY (i.e., 951).

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Symbol Company Predictability Market Cap ($mil) Earnings Yield (%) Return on Capital (%) 10-Y EBITDA Growth Rate (%) 5-Y EBITDA Growth Rate (%) P/E Yield (%) Rank
Premium Member OnlyPremium Member Only 530.86768.301084.810.00 0.000.009
Premium Member OnlyPremium Member Only 4726.91919.702909.000.00 0.000.0041
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
9.13238.4063.670.00 0.000.00169
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
130.84116.00313.900.00 0.000.00122
Premium Member OnlyPremium Member Only 428.01712.701108.650.00 0.000.00154
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
516.34436.201313.610.00 41.500.0011
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
28.85417.20127.130.00 0.000.00171
Premium Member OnlyPremium Member Only 13.84717.201009.840.00 0.000.0060
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
23.99019.1092.37-7.50 -34.000.00188
Premium Member OnlyPremium Member Only 26.68248.30658.650.00 0.000.0013
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
220.12813.703547.130.00 0.000.00109
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
5.08520.90211.790.00 0.000.0094
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
2825.98215.30291.8814.50 7.000.00143
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
7.447270.30122.320.00 0.000.0064
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
4328.46030.001277.374.60 9.800.0017
Premium Member OnlyPremium Member Only 1587.49130.90316.880.00 0.000.0049
Premium Member OnlyPremium Member Only 400.88022.102003.260.00 0.000.0034
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
45.50116.40137.160.00 0.000.00179
Premium Member OnlyPremium Member Only 1483.30075.804793.320.00 0.000.003
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
87.15827.5075.925.10 23.300.00164
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
146.35619.60294.600.00 0.000.0085
Premium Member OnlyPremium Member Only 227.49828.5068.530.00 0.000.00181
Premium Member OnlyPremium Member Only 612.54324.00716.570.00 0.000.0038
Premium Member OnlyPremium Member Only 853.71915.701797.970.00 0.000.0072
Premium Member OnlyPremium Member Only 769.10069.90149.740.00 11.300.0057
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
51.16526.80149.940.00 0.000.0091
Premium Member OnlyPremium Member Only
  • Currently 1/5
Business Predictability Rank: 1-Star
Back Testing Results:
Average gain of all 1-Star stocks: 1.1% per year.
% of Stocks that are in still loss if held for 10yrs: 45%.
Read more:
What is Predictability Rank?
Performances of real portfolio
Top Ranked Predictable Companies
50.16745.20876.360.00 0.000.0012
Premium Member OnlyPremium Member Only 44.06025.00588.440.00 0.000.0044
Premium Member OnlyPremium Member Only 7.809330.3056.600.00 0.000.00157
Premium Member OnlyPremium Member Only 452.68318.80231.740.00 0.000.00110

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