opportunity cost

Two Robbers Lurk in the Shortcut

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The investment methodology promoted by most financial professionals has a costly shortcut at its core. A mathematical trick is used in place of common sense, one that simply equates volatility with risk.

The shortcut enables people to pretend that statistical models can predict the future risk in any portfolio. The model always works perfectly, until it doesn’t. Three Nobel Prize-winners using these kinds of models blew up a hedge fund with billions of dollars in 1998. The failure of Long Term Capital Management caused an international crisis.

Warren Buffett wrote a wonderful analysis of this issue in his 2014 letter to shareholders. He explained that stock prices will always be more volatile than cash holdings in the short term. But he believes that fixed-dollar investments are far riskier than widely diversified stock portfolios over the long term.

One of the robbers that lurks in the shortcut is inflation. A dollar today will only buy 98 cents worth of goods next year, and 96 cents the year after that. Buffett wrote in 2014 that the dollar had lost 87% of its purchasing power over the previous 50 years. So over the long haul, the stable fixed investment becomes quite risky in terms of the potential to melt your wealth away.

While the high risk in currency-denominated investments did its damage, the same 50 year period saw the S&P 500 advance by 11,196%. Another of the robbers lurking in the shortcut is missed opportunity for long term gains.

Fortunately, you can spot the shortcut fairly easily. Every one of the following situations involves costly confusion about volatility and risk:

1. When every market sector supposedly needs to be owned for proper diversification. Our view: Some sectors are overpriced and should not be owned—tech stocks in 2000, real estate in 2007, commodities in 2011, and so forth.

2. When the presence of declining elements in a portfolio is held as proof of proper investment process—the idea that some things always zig when others zag, and keep the whole bucket more stable. Our view: When a crisis hits, many things decline across the board.

3. When a short-term decline is spoken of as ‘a loss.’ Our view: This is a costly misperception, born of a short-sighted approach.

4. When the future returns of a portfolio are described as a range that will be accurate 95% of the time—this is a hallmark of the statistical model. Our view: The model knows the past. The future will be different than the past. The wheels will come off the model when these differences emerge.

No one knows what the future holds. Our approach is to avoid stampedes, seek the best bargains, and strive to own the orchard for the fruit crop. These principles help us pick our spots, so to speak, rather than think we need to own a little bit of everything no matter what. The principles are no guarantee against loss.

The key advantage in our method, we believe, is avoiding the robbers who lurk in the shortcut. No systematic wealth melting from unneeded stagnant fixed investments, no missed opportunities for long term gains. We have no guarantees that our approach will be superior.

Clients, you know that one thing is required of you in order to have a chance to be successful with our methods. The understanding that volatility is NOT risk is key. Please call us or email if you would like to discuss this at greater length.


The Standard & Poor’s 500 Index is a capitalization weighted index of 500 stocks designed to measure performance of the broad domestic economy through changes in the aggregate market value of 500 stocks representing all major industries.

The opinions voiced in this material are for general information only and are not intended to provide specific advice or recommendations for any individual. All performance referenced is historical and is no guarantee of future results. All indices are unmanaged and may not be invested into directly.

The economic forecasts set forth in this material may not develop as predicted and there can be no guarantee that strategies promoted will be successful.

Stock investing involves risk including loss of principal.

Bonds are subject to market and interest rate risk if sold prior to maturity. Bond values will decline as interest rates rise and bonds are subject to availability and change in price.

The economic forecasts set forth in this material may not develop as predicted and there can be no guarantee that strategies promoted will be successful.

There is no guarantee that a diversified portfolio will enhance overall returns or outperform a non-diversified portfolio. Diversification does not protect against market risk.