1Wk·

The significance of the best trading days: from $100 to $27,386 in 41 trading days

On the occasion of new record highs for many stocks, here is an article I published in Dec-24 - always good to remember this insight.


I hope you enjoy reading it.


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Why you should hold winning companies for the long term


One of the biggest challenges in the stock market, apart from picking winning companies, is trying to time the market, i.e. finding the perfect moment to buy or sell a stock.


Looking back, it seems child's play: Buy at the low, sell at the high - and you've made a good profit. But the reality is trickier. No one can predict when these crucial moments of lows and highs will come and when the best trading days of the year will occur. Most investors who try this timing end up missing the best trading days. Über 20 Jahre sollen es lediglich 6% Prozent der professionellen Fondsmanager geschafft haben, den S&P 500, der die Aktien der 500 größten börsennotierten US-Unternehmen abbildet, zu schlagen.


Example


I recently came across an interesting analysis of the performance of Tesla shares on YouTube $TSLA (-4.32%) since the IPO. Hier you can find the video in full length (credits to Cern Basher and Herbert Ong).


A $100 investment in Tesla on the day of the IPO (June 29, 2010) would have grown to an impressive $27,386 today - assuming you had held the stock for the entire 14+ year period (3,643 trading days). But if you had held the 41 best trading days of the share over these 14 years, your investment would hardly have grown: 100 US dollars would have become just over 100 US dollars.


In other words: If you had bought Tesla shares $TSLA (-4.32%)
only on the 41 best trading days since the IPO, you would have achieved the same performance as an investor who had been invested on all possible 3,643 trading days.


I doubt that there is even one person in the world who can perfectly anticipate exactly these 41 days over a period of more than 14 years. My point is this: if you want to experience the sunniest days of the year in Mallorca, you have to spend the entire 365 days there because you don't know when it will be the sunniest. The same applies to investing in individual shares. You can only enjoy the best trading days if you stay invested for the long term.


Below in the chart you will find an overview of how the daily returns of the Tesla share $TSLA (-4.32%) over the 3,643 trading days since the IPO (see chart below).

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For example, there were 51 trading days on which the share was up by more than 10% and 28 days on which it was down by more than 10%. On 1,019 trading days, the share gained between 0% and 2%.


In general, it can be said that the Tesla share $TSLA (-4.32%) performed positively on 1,925 out of 3,643 trading days (i.e. 52.8% of the time), whereas the share performed negatively on 1,718 out of 3,643 trading days (i.e. 47.2% of the time). At first glance, this sounds like surprisingly few positive trading days. Nevertheless, this small majority is enough to turn 100 US dollars into over 27,000 US dollars in 14 years.


Incidentally, this close ratio between good and bad trading days is not a Tesla-specific peculiaritybut a general characteristic of winning shares. This can be seen, for example, in the following chart, which shows the trading days of Tesla $TSLA (-4.32%) , Nvidia $NVDA (-3.63%) and the S&P 500 $CSPX (-1.14%) since June 29, 2010:

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Nvidia $NVDA (-3.63%) - also one of the best stocks of recent years - the proportion of positive trading days is 54.2% and for the S&P 500 $CSPX (-1.14%) at 58.7%. So as a long-term investor in individual stocks and ETFs, you should get used to the fact that your investments will be in the red in the red every other day a profound realization in my opinion.


The key to success lies in patience and consistency: stay invested for the long term once you have identified a rare winning company. The best days on the market often come unexpectedly - only those who stay can experience them. The time you spend in the market is more important than trying to find the perfect entry and exit points. You should always remember that.


Finally, by way of illustration, the price trends of long-term winning stocks such as Tesla $TSLA (-4.32%) , Nvidia $NVDA (-3.63%) and the S&P 500 $CSPX (-1.14%) over the last 5 years:


Tesla: +1,510% (€10,000 became €161,000)


Tesla $TSLA (-4.32%) has taken the decisive step into the mass market for electric vehicles since 2020 with the Model Y and established itself as the only profitable Western mass manufacturer. After a three-year sideways movement since 2021, which was characterized by price cuts to stimulate the interest rate-related subdued demand for cars, among other things, the share price has recorded significant gains and a new all-time high since autumn 2024. The driving factors are improved quarterly figures, the prospect of more affordable vehicle models, the rapid scaling of the business to include electricity storage solutions, progress in autonomous driving and robotics and the recent election victory of Donald Trump.

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Nvidia: +2,384% (€10,000 became €248,400)


Nvidia $NVDA (-3.63%) has successfully made the leap from the gaming market to the data center sector. The company's graphics processing units (GPUs) are indispensable for applications in artificial intelligence and machine learning, which has led to explosive sales growth in this segment. This focus on pioneering technologies has been a key driver of Nvidia's meteoric rise $NVDA (-3.63%) since 2023.

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S&P 500: +86% (€10,000 became €18,462)


Despite the challenges posed by the COVID-19 crisis and a weak 2022, characterized by high inflation, aggressive interest rate hikes by central banks, fears of recession and geopolitical uncertainties, the S&P 500 $CSPX (-1.14%) achieved a remarkable return of 86% - almost doubling your invested capital in 5 years.

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6 Comments

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These statistics are supposed to support the random walk theory. But they do not. Prices are not random, they move in trends.

If I want to experience the sun in Mallorca, I go there in summer, not winter. That doesn't guarantee sunshine, but the probability is on my side.

Similarly, the price differences are not evenly distributed over time. The majority of the 41 best days are above SMA200, for example. So you don't have to hold blindly. And you probably shouldn't either. After all, who knows what Tesla will be in 14 years' time?
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@Epi I'm with you: you shouldn't hold a stock "blindly" according to the motto "pray and hope". Nevertheless, I find it interesting that, for example, the best trading days often immediately follow the worst trading days, which may be below the SMA 200. As you say, it would be interesting to see how the best days are actually distributed.
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@thewolfofallstreetz The statistics are mostly for the S&P500. It is true that the best days often follow the worst. However, these extremes average out and the clear majority of positive days are above the SMA200.

There are also mirror studies to the one in the article: if you miss the 40 worst days, the return increases by a factor of 5 or so. The conclusion from this is the opposite of the article. And then?
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@Epi The following quote comes to mind:

"About 42% of the S&P 500's strongest days have occurred in a bear market over the past 20 years. Another 34% of the best market days occurred in the first two months of a bull market - before it was even clear that a bull market had begun."
Source: Ned Davis Research, quoted by Hartford Funds

Or, to use your words, when I leave the island sometime in the fall, I don't care much about the top temperature rises in January, even if they are the top days from -20 to -2 degrees.

As we all know, -50% in the portfolio also needs +100% to get back to zero.

I think statistics are ok, but what bothers me about them is that they show the performance of the top x days separately from the flop x days.
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But I wouldn't want to generalize. Using Tesla as an example, you may well be right. Because if you look at the chart, you can immediately see that there have always been very long sideways movements here. Sometimes for years. But in the end, it then continued upwards in short phases. But that is different for every company. So-called compounder shares often move upwards along the 200-day line, such as $CSU.
Your statement is probably not entirely accurate here. Nor is it true for many cyclical stocks such as commodities.
That's why I think it was important to catch a good time with Tesla. With a compounder, however, in the long run it probably doesn't matter when I got in.
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