Sunday, April 7, 2024

Five Key Markers Pointing to Successful Stock Investing

To close out this weekend, here is the latest from the AAII with a succinct list of the advantages that disciplined individual investors have over institutions. Hope everyone enjoyed all the sunny weather we had this weekend.  


Five Key Markers Pointing to Successful Stock Investing

Certain factors put institutional investors at a disadvantage to a disciplined individual investor who follows a consistent, well-defined approach to investing.


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  • Consistently following an evidence-based approach for managing your stock portfolio helps maximize your opportunities to outperform 
  • Individual investor advantages over the professionals include access to overlooked stocks and the ability to maintain long-term focus
  • Having clear buy and sell rules and the ability to stick with a strategy are crucial to investing success

AAII founder James Cloonan had two critical investment management rules. Rule #1 was: Develop a consistent, well-defined approach to investing in stocks. Rule #2 was: Stick to rule #1.

Cloonan further believed individual investors have advantages over institutional investors. Those advantages include the ability to invest in exchange-traded stocks of all sizes and being able to stick with long-term strategies. The first allows individual investors to invest in stocks overlooked by Wall Street. Such stocks are more likely to be mispriced (Figure 1). The second refers to the ability of individual investors to look past short-term bouts of downside volatility and underperformance as they build long-term wealth. 

FIGURE 1  Likelihood of Being Mispriced One of the big advantages individual investors have is the ability to invest in all exchange-listed stocks as opposed to just those included in widely followed indexes like the S&P 500. Stocks that are less popular are more likely to be inefficiently priced (meaning they do not have all known information priced into them).

Cloonan’s rules and beliefs continue to underpin the broader philosophy followed by AAII. We believe investors maximize their opportunities to achieve investing success by consistently following evidence-based approaches for managing their stock portfolios. We further believe individual investors fare best when they make use of their advantages to consider all exchange-traded stocks and invest with a long-term focus.

Professional fund and portfolio managers are well aware of these advantages. They have significantly less freedom to invest in a variety of stocks because of the investment objectives they must follow and the sheer amount of money they are managing. At the same time, professional fund and money managers are frequently judged on their performance relative to their peers over shorter periods such as three years. This causes them to be concerned with how they are performing relative to their peers and makes it difficult to follow long-term strategies that have historically realized higher rates of return.

Combined, these factors put institutional investors at a disadvantage to a disciplined individual investor who follows a consistent, well-defined approach to stock investing.

Characteristics of Successful Approaches to Stock Investing

We at AAII believe that five key characteristics go into a consistent, well-defined approach to stock investing. Those characteristics are:

  • It is evidence-based;
  • The rules of when to buy and sell are clear;
  • The strategy is quantitatively driven;
  • If it is an active approach, it doesn’t look like the market; and
  • You have the resolve and ability to stick with it over a long period of time.

Evidence-Based Strategies

An evidence-based strategy uses academic and/or industry research. It frequently has an economic reason and a behavioral reason that make it work. Backtested results further support it.

AAII’s Model Shadow Stock Portfolio is a good example of an evidence-based approach to investing. The portfolio’s roots can be tied to two key research papers.

The first was Rolf Banz’s 1981 Journal of Financial Economics paper, “The Relationship Between Return and Market Value of Common Stocks.” This study is credited with identifying the small-cap premium, which is the higher risk-adjusted returns that small-company stocks have historically realized over large-company stocks.

The second is Eugene Fama and Kenneth French’s seminal 1993 Journal of Financial Economics paper, “Common Risk Factors in the Returns on Stocks and Bonds.” This paper identified the market’s volatility, a company’s size (meaning market capitalization, the number of outstanding shares times the share price) and a company’s valuation (based on price relative to book value) as the key factors explaining stock market returns. Among its findings were the tendency for undervalued, small-cap stocks to outperform.

Since its inception in 1993, the Model Shadow Stock Portfolio has taken advantage of these studies by targeting small, undervalued stocks.

Clear Addition and Deletion Rules

Another trait all AAII model portfolios share is following clear addition and deletion rules. This is critical because process matters in investing, always.

Consider the Model Shadow Stock Portfolio. Its key addition rules are:

  • Avoiding over-the-counter (OTC) stocks;
  • A price-to-book-value (P/B) ratio ranking in the lowest 10% of stocks listed on the New York Stock Exchange (NYSE), currently 0.90;
  • A market cap ranking in the lowest 10% of NYSE-listed stocks, currently between $30 million and $300 million;
  • Positive earnings from continuing operations for the most recent quarter and the last 12 months; and
  • Avoiding financial stocks and limited partnerships because of their different financial structures.

The model portfolio’s key deletion rules are:

  • Negative earnings from continuing operations for the last 12 months (given a one-quarter probationary period for the company to return to profitability);
  • The price-to-book ratio rises above three times the buy rule, currently 2.70; or
  • The market cap goes above three times the initial criterion, currently $900 million.

A big part of the Model Shadow Stock Portfolio’s success has been its clear addition and deletion rules. The strategy’s rules have been routinely followed since the portfolio’s inception. As a result, unemotional and disciplined addition and deletion decisions have been made in the same manner, over and over.

Quantitatively Driven Approaches

New additions for all AAII model portfolios are selected from stock screens. These screens identify potential candidates with quantitative characteristics matching a strategy’s addition rules.

For example, the latest addition to the Model Shadow Stock Portfolio was selected from the Shadow Stock Ideas list. The screen populating this list seeks out exchange-listed stocks matching the Shadow Stock strategy’s main addition rules. Specifically, stocks trading with a price-to-book ratio of 0.90 or lower, a market cap no higher than $300 million and positive earnings from operations (Figure 2).

FIGURE 2  Using Stock Screens to Find Overlooked Stocks  Stock screens identify stocks with specific quantitative traits. They can identify stocks with characteristics you desire that you may have otherwise overlooked or not been aware of. All AAII model portfolios, including the Model Shadow Stock Portfolio, use stock screens to identify potential candidates for addition.

Stock screens—and similar quantitative approaches—identify stocks with specific criteria. These criteria can be valuation-based—e.g., price-earnings (P/E) ratio no higher than, say, 20—growth-based (e.g., earnings growth of at least 10%) and/or use other fundamental- or price-based criteria. Screens frequently identify stocks with attractive characteristics we or other investors may have overlooked.

AAII members who prefer to build their own portfolios instead of following one of the AAII model portfolios can use the AAII Stock Screens to find potential candidates. These screens identify stocks that appeal to growth, value, dividend and momentum investors. Some seek out small-company stocks, some large and some are agnostic when it comes to company size. Most importantly, they help you narrow down the universe of 5,500 exchange-traded stocks to those with the quantitative traits you are most interested in.

If Following an Active Approach, Don’t Invest Like an Index

Passive (index) mutual funds and exchange-traded funds (ETFs) do a great job of tracking the major indexes. The Vanguard S&P 500 ETF (VOO), for instance, gives you exposure to the S&P 500 index for a cost of just 0.03% per year. It is impossible for any active approach to match the return of the S&P 500 for this low of an expense ratio.

Bluntly put, if you want the return of a major index like the S&P 500, buy a low-cost index fund.

If you want to beat the S&P 500 or some other well-followed index, you need to invest differently than it. We believe individual investors are better positioned to do this than professional managers. This is because individual investors are not constrained by prospectuses, investment committees or clients. They can look beyond what’s talked about by the financial media and seek stocks matching each strategy’s criteria. This is what we do with all AAII model portfolios.

This isn’t to say you must avoid large-cap stocks. Rather, you shouldn’t feel any obligation to limit yourself to them. The S&P 500 holds 500 stocks. The S&P SmallCap 600 index holds 600 stocks. The number of stocks discussed in the financial news media is even smaller. In contrast, there are 5,500 exchange-traded stocks for you to choose among. Expanding the universe of the stocks you will consider owning greatly increases your odds of outperforming.

Having the Resolve and Ability to Stick With a Strategy

This is the one characteristic of a consistent, well-defined approach to stock investing that is solely dependent on you. If a strategy is evidence-based and has clear buy and sell rules, then all that is needed for long-term success is your resolve and ability (both financially and psychologically) to continuously follow it.

This is why I frequently describe the optimal investing strategy not as one that maximizes return, but rather as one that helps you stick to your long-term investing plan. A strategy with a lower expected long-term return that you are able to stick with no matter what the market does is better than one you can’t stick with. No matter how high the expected return of a strategy, it is only as good as your ability to follow it consistently.

The big reason is volatility. Volatility refers to how much the returns of stocks, or other assets, move up and down. No one minds upside volatility. It is the fast and steep drops of downside volatility that unnerve many investors.

Cloonan referred to volatility as a phantom risk. He viewed real risk as whether you will have the money you need when you need it. Nonetheless, downside volatility can feel very much like a real risk to many investors.

Part of this is due to a lack of understanding about what’s normal and what’s unusual. Since the end of World War II, the S&P 500 has experienced 24 corrections. A correction is defined as a drop in the market of between 10% and 20%. There have been 14 bear markets (drop of 20% or more). Downward moves are a normal part of the market cycle. Most aren’t severe; the S&P 500 has only fallen by more than 30% six times since 1945: 1968–1970, 1973–1974, 1987, 2000–2002, 2007–2009 and 2020.

It’s also helpful to understand what is usual and what is unusual when it comes to fundamentals. Currently, we continue to see small-cap stocks trading at historically low valuations relative to large-cap stocks. Since 1998, the average price-to-book ratio for small-cap stocks has been 66% of the average price-to-book ratio for large-cap stocks. Currently, the price-to-book ratio for small-cap stocks is just 50% of the price-to-book ratio for large-cap stocks.

This wide difference suggests that small-cap stocks should be poised to outperform in the future. It should also give investors in small-cap stocks a reason to stay patient as opposed to abandoning them.

Numbers can only go so far. Your mindset and your ability to control your emotions and biases play an important role. The human mind has not evolved to deal with the complexities the financial markets bring. What helps is knowing what prompts you to act and setting up procedures to prevent you from acting on impulse.

We believe written addition and deletion rules are key to investing in a consistent, well-defined approach—as previously stated. We also believe it helps to have a stated purpose for why you are investing. AAII’s PRISM Wealth-Building Process is designed to align your investing decisions with your goals. It also helps you decide what portion of your savings should be invested more conservatively to cover shorter-term withdrawal needs and what can be allocated to stocks for future growth. By being clear about what you are investing for and how you intend to get there, you will be more disciplined.

Becoming a Better Investor

The good news is that none of this is rocket science. These steps do not require an advanced degree or complex software. Rather what they require are:

  • An understanding of your advantages as an individual investor,
  • A willingness to expand the universe of stocks you consider,
  • An approach based on research and data (such as that provided in the AAII Journal),
  • Written buy and sell rules that are easy to follow and
  • A willingness to invest differently than the S&P 500 if you actively invest.

Most importantly, being a successful investor requires following Cloonan’s two rules for investing success: One, develop a consistent, well-defined approach to investing in stocks; and, two, stick to rule #1. 

Discussion

BARRY J from TX posted 5 days ago:

Charles, This article is a “Big Ask.” You are asking “behavioral” investors to override the impulsive behaviors generated by an undisciplined System 1 and allow their System 2 to allow a “consistent,” evidence-based, “rational” approach to dominate their impulses. First I reference your recent article on the contributions by Dan Kahneman and the evidence he and other Nobelists (including Gene Fama) accumulated on the irrational decision-making behaviors evidenced in Prospect Theory. Selling the same audience that produced the very evidence Prospect Theory is based on will be difficult. It is going to take a lot more than evidence than (1) referencing two articles that very few investors have ever read (and the over 200 other articles that could not reproduce that challenged or falsified Fama and French findings; (2) chanting Cloonan’s advice which is largely not evidence-based, and (3) using MSSP as the role model process par excellence that is only one of more than 50 investing models to change the ingrained and positively-reinforced behaviors. Charles, the “related article” you also authored in 2018 “Using the Power of the Written Word to Improve Your Returns” provides some very useful and practical tools to implement a disciplined approach to overcoming behavioral biases. I predict many AAII members who see themselves as disciplined and successful investors will prove me wrong. DK would suggest that this is a good example of survivorship bias in action and denial of the role luck played in generating their success. Many ‘behavioralists” can overcome the biases of System 1, but System 2 needs tools and practice to acquire discipline. If learning discipline were as easy, toilet training would not be so Freudian and psychologists would not be so busy.


ROBERT A from NC posted 4 days ago:

Two comments on the five "key characteristics." First, although I would agree that quantitative analysis is important, I disagree that it should be relied upon to the exclusion of qualitative analysis. An analysis of the qualitative characteristics is as important, if not more so, than the quantitative characteristics. Second, Charles seems to view the existence of a dichotomy between "active" investing and index investing. When I think of active investing, I think of those who are always buying and selling. I regard my approach as very INACTIVE. That is, my purchases and sales are very infrequent. I'm active in the sense that I'm always on the hunt for good stocks, and I frequently check up on my investments to see what's going on with them, but I'm inactive in the transactional sense. Charles should clarify what he means by "active" investing.


ROBERT A from NC posted 4 days ago:

And a third comment on "evidence-based" investing: Charles writes, "An evidence-based strategy uses academic and/or industry research." Well, I'm out of luck there. I think most of what comes out of academia and "the industry" is garbage. Such "research" gave us the silly notion that volatility is risk. The evidence on which I base my buy-and-hold approach is experiential. It's based not only my own experience but also on what I've seen of others' experiences and the experiences presented in the writings of successful investors. Aside from that, mere common sense indicates to me that buy-and-hold, properly applied, is the simplest approach most likely to lead to outstanding long-term performance of a portfolio. I'm living "evidence" that it works.


Mohammed A from GBR posted 3 days ago:

Since 2015 I n have been following a quantitative rules-based strategy with part of my total portfolio. I began in 2015 with a small money allocation to see how I found it, and gradually expanded. It is now over 20% of my total portfolio. I have found it very helpful. In particular having precise selling rules has for the first time in my life enabled me to sell losers without regret instead of hanging on to them. I strongly concur with the article.


JOHN L from NJ posted 3 days ago:

Perhaps small stocks are still an area of overlooked and miss priced stocks but the recent performance (15 years) of the shadow stock portfolio doesn't support this hypothesis. An alternative hypothesis is that small stocks use to be an area where miss priced stocks could be found but after years of this being discussed by the AAII, individual investors have bid up the prices and there are few miss priced small cap stocks. If the alternative hypothesis is correct; small investors have no advantage and should invest in cheap index funds!


ROBERT A from NC posted 1 day ago:

I have to take exception to Barry's assertion that James Cloonan's advice is "largely not evidence-based." Mr. Cloonan's advice is based on the FACT that stocks have trounced every other asset class over time. We may not have academic studies that conclude that his advice is "correct," but plain facts and logic add up to "evidence" in my (rather simple) mind.


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