The Cost of Being Early: A Common Mistake in Deep Value Investing

Background context: historically, deep value stocks comprised around 18% weighting of my family’s overall equities investment portfolio. That weighting has since declined to 5.29%, as many of our quality stocks have appreciated substantially, and correspondingly, tranches of additional capital have been deployed to them.

Deep value investing is one of the most psychologically difficult approaches in the investment world. Most investors claim they want bargains. Very few actually want to buy when a stock looks ugly, very unpopular, and hated by the market.

The deep value investor deliberately searches for situations where fear, pessimism, uncertainty, and negative headlines have pushed a stock price far below what the underlying business may ultimately be worth. When successful, deep value investing can produce extraordinary returns. When unsuccessful, it can lead to permanent capital loss.

The challenge is that even when an investor correctly identifies a deep value opportunity, mistakes in execution can significantly reduce the eventual gains.

My family’s investment in Warner Bros. Discovery serves as a useful example. As of today, we are sitting on a total profit of 53.31% and an Internal Rate of Return (IRR) of 12.12%. A profitable investment is always preferable to an unprofitable one. However, looking back with the benefit of hindsight, two important mistakes limited the upside potential of the investment.

The lessons from these mistakes apply not only to Warner Bros. Discovery but to deep value investing in general.

Understanding the Nature of Deep Value Investing

Before discussing the mistakes, it is important to understand what deep value investing actually involves. Deep value investing is not simply buying a stock that appears cheap. Many stocks appear cheap. A stock trading at 10 times earnings may look cheap. A stock trading at 5 times earnings may look even cheaper.

Deep value investing usually goes much further. The investor is often buying companies that have suffered major declines, severe negative sentiment, temporary business challenges, management problems, industry disruptions, balance sheet concerns, or other issues that have caused most market participants to abandon the stock. These situations are uncomfortable. In many cases, the stock price may already have fallen 50%, 70%, or even 90% from previous highs.

The investor is effectively making a bet that the market has become excessively pessimistic. This is why deep value investing can be described as buying dollars for thirty, forty cents.

However, one important reality is frequently overlooked. Just because a stock has already fallen dramatically does not mean it cannot fall much further.

Mistake Number One: Buying Too Early

Our first mistake with Warner Bros. Discovery was beginning our purchases too early.

At the time, the stock already looked severely cheaper than before. The valuation appeared increasingly attractive over time. Market sentiment was extremely negative. Many investors were selling. From a deep value investing perspective, it appeared reasonable to begin accumulating shares.

Unfortunately, deep value investing rarely rewards impatience. One of the harsh realities of market behaviour is that a stock can always become cheaper than investors expect.

Many investors underestimate the power of negative sentiment. They assume that once a stock has fallen severely, the worst must already be reflected in the price. History repeatedly shows otherwise. Market participants are emotional. Fear can drive prices to levels that appear very irrational. When panic dominates investor psychology, valuation often becomes a secondary consideration.

Deep value investors must therefore recognise an important principle:

Being right about valuation does not mean being right about timing. A stock can be significantly undervalued and still decline another 30%, 40%, or 50%.

This is one reason why experienced deep value investors often scale into positions gradually. The objective is not to predict the exact bottom. Nobody can consistently do that. Instead, the objective is to preserve capital and maintain flexibility if prices continue falling.

In our case, beginning purchases too early meant that a portion of our capital was deployed at levels that eventually proved much higher than the ultimate lows. The result was a higher average cost basis than would otherwise have been achieved. This does not mean the purchases were irrational. The stock ultimately generated positive returns. However, the deployment timing reduced overall upside.

Why Deep Value Stocks Often Fall Further Than Expected

There is another important lesson here. Deep value stocks frequently experience what could be called “valuation overshoot.” Markets are not always efficient in the short run. When investors become fearful, prices can move substantially below intrinsic value.

Several forces contribute to this process:

These forces can feed upon one another. As a result, stocks can decline to levels that appear disconnected from business reality. This is particularly common in highly leveraged companies, cyclical industries, media businesses, commodity companies, and firms undergoing major restructuring.

Warner Bros. Discovery exhibited several of these characteristics. The company faced concerns regarding debt, streaming profitability, industry disruption, and future growth prospects. As uncertainty increased, investors demanded larger and larger discounts. The market became focused on risk rather than opportunity.

Deep value investors understand that this process can continue longer than expected. Patience is therefore not optional. It is a core requirement.

Mistake Number Two: Insufficient Aggression Near the Bottom

The second mistake was arguably more significant.

Ironically, this is often where the greatest opportunities emerge.

The challenge is psychological. Buying at USD 30 feels easier than buying at USD 8. This sounds irrational, but human psychology works in strange ways. When a stock falls from USD 30 to USD 8, most investors become less confident rather than more confident. The falling price creates doubt. Investors begin questioning their analysis. They wonder whether the market knows something they do not. They become increasingly cautious.

This hesitation often prevents investors from deploying meaningful capital precisely when the opportunity is greatest. In our case, we continued purchasing shares, but not nearly as aggressively as we could have. As a result, our position size did not fully reflect the magnitude of the opportunity that was available.

The Mathematics of Position Sizing

Investment returns are driven by two factors. The first is being correct. The second is position sizing.

Many investors focus exclusively on being correct. Professional investors understand that position sizing often matters just as much. Imagine two investors identifying the same opportunity. Both investors achieve the same percentage return. However, one allocates 1% of capital while the other allocates 10%. The second investor will generate substantially more portfolio impact.

This principle becomes particularly important in deep value investing. The largest opportunities often emerge when fear is greatest. If an investor has done the necessary research and remains confident in the long-term thesis, larger allocations during periods of extreme pessimism can materially improve overall returns.

Of course, this must always be balanced against risk management. No investment should threaten the survival of the portfolio. Nevertheless, deep value investing requires a willingness to act decisively when the margin of safety becomes exceptionally large.

The Difference Between Analysis and Execution

One lesson that many investors eventually learn is that successful investing is not merely about analysis. Execution matters equally. An investor may correctly identify an undervalued stock. They may correctly estimate intrinsic value. They may correctly forecast future recovery. Yet poor execution can still reduce returns significantly.

Common execution mistakes include:

These mistakes are surprisingly common. In many cases, investors lose more money from execution errors than analytical errors. The Warner Bros. Discovery experience reinforced this lesson for our family. The investment thesis was ultimately profitable. However, the capital deployment strategy could have been better.

The Importance of Patience in Deep Value Investing

Perhaps the most important lesson is patience. Deep value investing often rewards investors who are willing to wait longer than others. The market rarely provides immediate validation. Instead, it frequently subjects investors to extended periods of discomfort. Prices may continue falling. Negative news may continue accumulating. Analysts may remain pessimistic. Public opinion may remain hostile.

The investor must separate price movement from business value. This is easier said than done. The ability to wait patiently while maintaining analytical discipline is one of the defining characteristics of successful deep value investors.

• Patience allows investors to preserve capital.
• Patience allows investors to deploy capital at more attractive prices.
• Patience allows investors to exploit market overreactions.

Without patience, many of the benefits of deep value investing disappear.

Conclusion

The Warner Bros. Discovery investment generated a satisfactory outcome for our family, producing a meaningful profit and a respectable IRR. Nevertheless, it also provided two valuable lessons.

Deep value investing is not merely about finding cheap stocks. It is about understanding market psychology, preserving capital, exercising patience, and deploying capital effectively when extraordinary opportunities appear.

Identifying undervaluation is only half the battle. The other half is having the discipline, patience, and conviction to act appropriately throughout the entire investment journey.

For many deep value investors, the biggest mistake is not buying a bad company. It is correctly identifying a very good deep value opportunity, yet allocating capital at the wrong stages of the decline.

The difference between a good outcome and an exceptional outcome often lies not in stock selection, but in the timing and intensity of capital deployment when the market’s pessimism reaches its extreme.