Why Risk Management Will Not Produce The Best Investing Returns
What?? Then why do it? Because we don’t know the future.
Risk management will not produce the best returns.
What?? Then why do it? Because we don’t know the future.
Allow me to illustrate what I mean with an example using the current environment. Imagine that there are two very different scenarios possible from this point with respect to whether we are in a bubble waiting to burst or in a new golden age of economic growth driven by AI:
A. The Benign Scenario: Inflation comes down without a severe recession. Capital markets remain benign. High valuations are justified by higher-than-normal earnings growth driven by productivity resulting from wide adoption of AI tools.
B. The Gloomy Scenario: Higher rates and tighter credit result in a severe recession. AI ends up helping a small group of companies, but any broader productivity benefits end up being competed away and passed on to consumers. Valuations revert to the mean, after first going well bellow the mean. Earnings decline as current levels of demand are reduced to level consistent with the middle of an economic cycle rather than the current peak conditions.
Now, let’s suppose that we have three portfolio managers that each pursue a very different approach:
Cautious Claire: Claire believes that the Gloomy Scenario described earlier is going to come to pass. She loads her portfolio with cash and extremely safe, but at best only moderately undervalued defensive stocks that can withstand any environment. If the Benign Scenario above comes to pass, her results will be underwhelming, but she knows that’s not the way things are going to play out, so that doesn’t enter into her decision-making process.
Aggressive Anne: Anne believes that the Benign Scenario described above is going to happen. She invests in every AI-related and high-growth, but expensive, stock that she can find. No matter, she is sure in her view of the path the world is about to take.
Prudent Paula: Paula is not sure which of the two scenarios is going to come to pass. She wants to ensure that her portfolio does at least OK no matter what happens, and does well in the scenario that she believes to be more likely.
She constructs her portfolio with some very safe investments with a moderate amount of expected returns, combined with some aggressive investments that have more risk but that are likely to do much better in the Benign Scenario. As she searches for investment opportunities for her aggressive investments she does not necessarily pick those that can go up the most if the Benign Scenario were to come to pass, but also considers these companies’ merit as investments if that scenario is not quite as benign as she had hoped.
Now, imagine what happens if each of the two scenarios actually comes to pass:
The Gloomy Scenario happens: Cautious Claire looks like the paragon of investing wisdom. Magazines rush to interview her. She appears on cable news channels talking about her investment process. “How did you do so well when many others have come up short?” “Well, there was this one moment when I just knew how it was all going to play out. I sold all of my old investments and prepared for Doom and Gloom. My clients have benefited enormously, and I have had an influx of new ones beating down my door to be able to share in the fruits of my wisdom in the future.”
In the same articles and TV interviews where Cautious Claire’s virtues are extolled, Aggressive Anne is mentioned in passing, derisively. “What was she thinking?” “Didn’t she know we were heading for Doom and Gloom?” “How could she have done so poorly for her clients?”
Nobody mentions Prudent Paula at all. She did well, but her results didn’t stand out compared to Cautious Claire.
The Benign Scenario happens: Aggressive Anne looks like an investing genius. Magazines rush to interview her. She appears on cable news channels talking about her investment process. “How did you do so well when many others have come up short?” “Well, there was this one moment when I just knew how it was all going to play out. I sold all of my old investments and loaded up on AI-stocks. My clients have benefited enormously, and I have had an influx of new ones beating down my door to be able to share in the fruits of my wisdom in the future.”
In the same articles and TV interviews where Aggressive Anne’s virtues are extolled, Cautious Claire is mentioned in passing, derisively. “What was she thinking?” “Didn’t she know we were heading for a new golden age of AI?” “How could she have missed such an amazing opportunity to make money for her clients?”
Nobody mentions Prudent Paula at all. She did well, but her results didn’t stand out compared to Aggressive Anne.
What I hope the above imaginary example illustrates is that there is going to be a massive outcome bias after we know how this all plays out. The winner will write their narrative and imbue their sometimes just plain lucky outcomes with skill and foresight that wasn’t really there at the time the decisions were being made. That won’t matter, because most observers will be dazzled by their spectacular results relative to the rest of the field and will not question how well that same investor would have done had the world taken a different path.
There is only one problem. Right now, before we know how it is going to play out is when we have to make our decisions. Betting on one particular macro outcome in a way that you will do really poorly if it doesn’t occur is not investing; it is just speculating. In the same way that casino gamblers don’t know if the roulette ball will land on red or on black before the wheel is spun, neither can we be sure of how the world will play out during the current crisis.
If you are a serious investor and care about both preserving your capital and growing it at attractive rates over the long-term, the implication is clear: you need to construct a portfolio that doesn’t do terribly in any outcome and that does well across many of the paths the world might take. In no path will your results, after the fact, be as attractive as if you had optimized your portfolio for that specific path. That’s why risk management does not produce the best returns. It is because as we manage risk we tax our outcome in each path to ensure that if the world takes a different path that we still do OK.
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About the author
Gary Mishuris, CFA is the Managing Partner and Chief Investment Officer of Silver Ring Value Partners, an investment firm that seeks to apply its intrinsic value approach to safely compound capital over the long-term. He also teaches the Value Investing Seminar at the F.W. Olin Graduate School of Business.
Note: An earlier version of this article was published on the Behavioral Value Investor website.
Gary, thanks for your interesting piece.
I read your article & thought of this study: “Even God Would Get Fired as an Active Investor” by Wesley Gray. https://alphaarchitect.com/2016/02/even-god-would-get-fired-as-an-active-investor/
The study showed that shorting the worst S&P500 stocks nearly doubled the 5yr CAGR achieved by a portfolio that was previously long only the best performing S&P500 equities.
Of course the study is majorly flawed by the optimism bias (which it acknowledges). On a side note, if the name rings true, I imagine Prudent Paula probably wouldn’t ever be shorting stocks...
But connecting the two pieces sparked a question: are there simpler forms of hedging available to the individual investor that can increase a portfolio’s absolute returns rather than only defending against all possible paths & taxing the returns that you allude to at the end of your article?
Thanks for publishing great writing!