In this article we propose a methodology to pick-up stocks. The method consists in creating a portfolio of 10 stocks. The stocks can be taken from the components of the S&P500 or Nasdaq 100. The securities are selected based on their return of investment over a certain number of months. Six months if the stocks come from the S&P500 components while three months if they are from the Nasdaq 100. The stocks are then hold 10 days if they are selected from the S&P500 constituents or six months if they are taken from the Nasdaq 100’s basket.
Selecting stocks can be a very complex and time consuming task. Even when automatized, valuing a company can be a challenge and the return of investment on a company can be heavily influenced by the sentiment of the market. GameStop can be a textbook example of this situation. In this article we propose a methodology in which a portfolio of stocks is selected based on their past returns. The method is made of three parameters that have to be optimized in order to maximize the portfolio return with an acceptable maximum drawdown. These variables are:
Selecting Stocks Using the S&P500 Components
In Figure 1 the return of investment as function of the maximum drawdown is presented. The lowest maximum drawdown is ca. 46-47% which is not substantially lower than buying and holding the S&P500; ca. 57% in the last 20 years. The return on investment can be highly amplified using this stock picking methodology. In the best case, the highest annualized return of investment with a maximum drawdown not exceeding 50%, is 33.32% vs. 8.77% of the S&P500.
Figure 1: Return of investment as function of the maximum drawdown for all the runs using the S&P500 components.
Increasing the CAGR by 3.8 times can be done with:
Table 1: key statistics of the proposed stock picking approach and the S&P500.
Figure 2: Annualized returns of the proposed stock picking approach and the S&P500.
Selecting Stocks Using the Nasdaq 100 Components
Figure 3 shows the return of investment as function of the maximum drawdown. The lowest maximum drawdown is ca. 35% which is lower than buying and holding the Nasdaq 100; ca. 56% in the last 20 years. Assuming we try to maximize the return of investment with a maximum drawdown lower than 50% then this methodology allows achieving an annualized return of 41.79% vs. the 12.97% of the Nasdaq 100.
Figure 3: Return of investment as function of the maximum drawdown for all the runs using the Nasdaq 100 components.
Increasing the CAGR by 3.2 times can be done with:
Table 2: key statistics of the proposed stock picking approach and the Nasdaq 100.
Figure 4: Annualized returns of the proposed stock picking approach and the Nasdaq 100.
Comparing to Berkshire Hathaway
One of the greatest stock pickers of all the time is Warren Buffet, how would this methodology compare to the returns of Berkshire Hathaway? The answer is provided in Table 3 and Figure 5. Despite this strategy hypothetically behaves better than the performances of Berkshire Hathaway, it is important to keep in mind that these conclusions were drawn assuming that there is no bottle neck with this strategy in the ability to purchasing whatever stock.
Table 3: key statistics of the proposed stock picking approaches, Berkshire Hathaway and the reference indexes.
Figure 5: Annualized returns of the proposed stock picking approaches, Berkshire Hathaway and the reference indexes.
Stock picking can be a very complex and tedious work to perform. In this article, it was proposed a methodology to select stocks based on the company momentum. The optimal number of stocks and holding duration was also discussed. The methodology allows increasing the annualized returns by 3.2-3.8 times versus the benchmark indexes while keeping the maximum drawdown below 50%.
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