This article “Profiting from a Seasonal Super-Sector Investment Strategy” (later referred to as the referenced article) shows that switching between “aggressive” and “defensive” ETF super-sectors at the end of April and October each year would have been a profitable strategy since 1999. Here we replace the ETFs used in the referenced article with their respective Top5(Sector)Select stock models. This entails, of course, more trading, but also produces much higher returns.

The super sector models

Our super-sector classification divides stocks into aggressive and defensive super-sectors:

The aggressive super sector model combines (equal value weighted) all the stocks that each of following sector-select models holds (20 positions total):

  1. The Materials Select Sector SPDR Fund (XLB) (article-1);
  2. the Industrial Select Sector SPDR Fund (XLI) (article-2);
  3. the Healthcare Select Sector SPDR Fund (XLV) (article-3); and
  4. the Consumer Discretionary Select Sector SPDR Fund (XLY) (article-4).

The defensive super sector model combines (equal value weighted) all the stocks that each of following sector-select models holds (20 positions total):

  1. The Innovation Invesco (QQQ) Trust (article-5).
  2. the Technology Select Sector SPDR Fund (XLK) (article-6);
  3. the Consumer Staples Select Sector SPDR Fund (XLP) (article-7); and
  4. the Utility Select Sector SPDR Fund (XLU) (article-8).

The seasonal super-sector investment strategy

This strategy requires holding the aggressive super-sector combination model from end of October to end of April, and holding the defensive super-sector combination model from end of April to end of October.

Historic performance of the super-sector combination models

The analysis was performed on the on-line portfolio simulation platform Portfolio 123 which provides historic financial data for stocks, bonds and ETFs. The constituent models are held equal weight and rebalanced every four weeks allowing for an asset tolerance of 2%.

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Figure-1 shows the simulated performance from Jan-2000 to Nov-2020 of the aggressive super-sector combination model with Top5(Sector)Select models from the sectors Materials, Consumer Cyclical, Healthcare, and Industrials. The annualized return would have been 19.3% with a maximum drawdown of -45%.

Figure-2 shows the simulated performance from Jan-2000 to Nov-2020 of the defensive super-sector combination model with Top5(Sector)Select models from sectors Consumer Non-Cyclicals, Utilities, Technology, and Innovation. The annualized return would have been 20.1% with a maximum drawdown of -42%.

It is evident that there is no significant difference between the aggressive- and defensive super-sector models’ returns and maximum drawdowns.

Performance with seasonal super-sector switching

Presently Portfolio 123 has no provision allowing switching between combination models according to a rebalancing formula. Thus, the analysis was performed in excel with data input from the performance of the two super-sector models shown in figures-1 and 2.

Figure-3 shows the simulated performance from 1/2/200 to 11/4/2020 for the seasonal switching strategy which switches occurring on the first trading day of the last week in April and October each year. The annualized return would have been 23.3% (6.1% for SPY) with a maximum drawdown of -40% (-55% for SPY).

Also in figure-3 the performance of an inverted switching strategy is shown when holding the defensive super-sector combination model from end of October to end of April, and the aggressive super-sector combination model from end of April to end of October. The annualized return would have been 16.1% with a maximum drawdown of -47%.

In the appendix are figures-4 and 5 which show in greater detail the performance for the periods 2000-2008 and 2009-2020, respectively. It is evident that the seasonal super-sector switching strategy out-performed a non-switching strategy. For the 2009-2020 period the annualized return would have been 28.9% (13.9% for SPY).

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Risk Measurements

Basic Statistics Model S&P500 (SPY)
CAGR= 23.32% 6.12%
Max D/D = -39.39% -55.19%
Annualized Standard Deviation 15.91% 14.97%
Sharpe Ratio 1.31 0.37
Sortino Ratio 1.60 0.49

Calendar year performance

Except for 2007 the model would have had only positive calendar year returns and positive excess returns over SPY for every year.

Conclusion

Nobody knows which sector will perform best over any period. However, the seasonality of the stock market has been observed for many years. The fact that there is such a large difference in performance between the seasonal- and inverted seasonal strategies confirms this. It should be advantageous to follow the Seasonal Super-Sector Investment Strategy which does not rely on the performance of a single sector model, but uses two groups of four Top5(Sector)Select models.

The analysis shows that such a strategy would have produced good returns, much preferable to a buy-and-hold investment in the stock index fund SPY, or in any of the individual sector ETFs on which the Top5(Sector)Select models are based.

Apart from switching super-sectors at the end of April and October there is some stock trading needed to track the trading activity of the component Top5(Sector)Select models. At iMarketSignals one can follow this strategy where trades and performance will be updated weekly. The current twenty stock holdings (five for each component model) are listed in the appendix.

Appendix

Holdings as of 11/16/2020

Ticker

Name

MktCap

Yield %

Sector

(BBY) Best Buy Co Inc 31 B 1.85% CYCLICALS
(DHI) D.R. Horton Inc. 27 B 1.07% CYCLICALS
(HD) Home Depot Inc. (THE) 292 B 2.21% CYCLICALS
(TSCO) Tractor Supply Co 15 B 1.22% CYCLICALS
(EBAY) eBay Inc. 34 B 1.29% CYCLICALS
(ABBV) AbbVie Inc 176 B 5.22% HEALTHCARE
(GILD) Gilead Sciences Inc 76 B 4.49% HEALTHCARE
(HOLX) Hologic Inc 18 B 0.00% HEALTHCARE
(MTD) Mettler-Toledo International Inc 27 B 0.00% HEALTHCARE
(WAT) Waters Corp 14 B 0.00% HEALTHCARE
(EMR) Emerson Electric Co. 46 B 2.62% INDUSTRIAL
(GD) General Dynamics Corp 43 B 2.93% INDUSTRIAL
(ITW) Illinois Tool Works Inc. 65 B 2.20% INDUSTRIAL
(LMT) Lockheed Martin Corp 105 B 2.76% INDUSTRIAL
(SNA) Snap-On Inc 9 B 2.87% INDUSTRIAL
(AVY) Avery Dennison Corp 12 B 1.69% MATERIALS
(IFF) International Flavors & Fragrances Inc 12 B 2.75% MATERIALS
(LEG) Leggett & Platt Inc 6 B 3.70% MATERIALS
(PKG) Packaging Corp Of America 12 B 2.43% MATERIALS
(SEE) Sealed Air Corp 7 B 1.43% MATERIALS
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Figures-4 and 5 which show in greater detail the performance for the periods 2000-2008 and 2009-2020, respectively.

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All results shown are hypothetical and the result of backtesting over the period 1999 to 2020. No claim is made about future performance.

Disclosure: I/we have no positions in any stocks mentioned, and no plans to initiate any positions within the next 72 hours. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it. I have no business relationship with any company whose stock is mentioned in this article.

Additional disclosure: All results shown are hypothetical and the result of backtesting over the period 1999 to 2020. No claim is made about future performance.



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