Investing is About Absolute Numbers, Not Percentages

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4 min read

In my early years of college, I invested $3,000 into three individual stocks. Each day I would check the prices of each stock, sometimes several times per day.

On up days, I was thrilled. On down days, disappointed.

At the time, I thought I was being a prudent investor by keeping a close eye on my tiny investment portfolio. What I failed to realize was that I didn’t have nearly enough money invested for any gains to make a material difference in my financial life.

For example, suppose my collection of stocks increased in price by 7% over the course of the year. That would be a gain of $210. If I sold each individual stock, I’d have to pay a $7 trading fee. My total gain would be a measly $189.

(I wouldn’t have had to pay the long-term capital gains tax since my yearly income at the time was less than $37,950)

In the grand scheme of things, $189 is peanuts. I would have been better off finding a $20 cheaper monthly phone plan to save $240 over the course of a year.

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During these years, I made the mistake of focusing on percentages, instead of absolute dollars. I thought about how cool it would be to earn a 7% return on my investments, without realizing that the actual dollar return was insignificant.

Running the Numbers

Let’s run some numbers on the S&P 500 annual returns since 1950 to find out just how important absolute returns are compared to percentage returns.

10-Year Returns

During the best ten-year stretch (1950 – 1959), the S&P 500 delivered 19.5% compounded annual returns. Conversely, the worst ten-year stretch (1999 – 2008) delivered -1.4% compounded annual returns:

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Consider an individual who invested $5,000 each year into the S&P 500 from 1950 through 1959. At the end of 10 years, they would have accumulated about $140k:

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Now consider an investor who got dealt the worst 10-year investment hand ever from 1999 to 2008. To obtain the same $140k as the previous investor, they would have needed to invest $17,000 each year:

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These two investors would have accumulated the exact same amount of money after a decade of investing:

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In dollar terms, each investor would have ended up with the same amount. The only difference would have been in how the investors felt about their performance. The 1950 – 1959 investor would have been elated, while the 1999 – 2008 investor would have been devastated. 

And while the percentage investment returns would have been wildly different for these two investors, the absolute dollar returns would have been the exact same, which is all that actually matters.

20-Year Returns

We can perform this same thought experiment with 20-year investment periods.

During the best 20-year stretch since 1950, the S&P 500 delivered 17.7% annual returns (1980 – 1999) while the worst 20-year stretch (1959 – 1978) delivered 6.5% annual returns:

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Again consider someone who invested $5,000 each year during the best 20-year period. At the end of 20 years they would have accumulated $888,000.

It turns out that someone who invested during the worst 20-year period would have needed to invest about $23,900 each year to also obtain $888,000:

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Avoid the Percentage Trap

When I used to work in Corporate America, I had a coworker who was highly interested in investing. He and I had a friendly competition where we would compare the investment performance of our funds within our 401(k) plans to see who earned the highest returns.

At the end of my first year working there, he revealed that he had earned 8% total returns while I had only earned 6% total returns. At first I felt jealous, but the feeling subsided when he told me that he only had the ability to invest $50 each month over the prior year because he had so many other bills to pay like housing renovations, childcare costs, and student loans.

At the time, I was fortunate enough to have very few bills so I had been investing around $1,000 each month into my 401(k). It goes without saying, but I clearly had a much higher balance in my 401(k) than my coworker, despite earning lower investment returns.

When Percentages Actually Matter

I’ve noticed a trend that many beginner investors often obsess over investment performance and asset allocation early on in their financial journey. For example, they’ll attempt to create a portfolio of individual stocks that they believe will outperform the market or they’ll try to research complex investment strategies that attempt to time the market, all in the hope that they’ll be able to increase their returns by a couple percentage points.

What most beginners fail to realize, and what I also failed to realize early on, is that when you’re just starting out it’s unlikely that you have enough money to invest for returns to make much of a difference. As I mentioned earlier, a 7% gain on my $3,000 stock portfolio in college would have been worth less than $200,

It’s wonderful to develop a habit of investing $100 per month when you’re young, but if you believe that investment returns are going to make you rich anytime soon, you’re only fooling yourself.

I often refer to the following chart to illustrate this idea:

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Early on, most of your net worth growth will come purely from the amount you’re able to save, not investment returns. As time goes on, though, investment returns become more and more influential. 

A 7% return on $100,000 is $7,000.

A 7% return on $500,000 is $35,000.

A 7% return on $1 million is $70,000.

Investment returns make a difference in the later years, but not so much in the early years.

Focus on Income Early On

I often receive emails from college students and recent grads asking for investment advice. My response is always the same:

1. Keep investing simple with index funds.

2. Automate your investments from each paycheck.

3. Then, use the rest of your time and energy to grow your income. The amount of money you earn will make a much bigger difference in your finances early on compared to investment returns.

Focus on accumulating enough capital to make investment returns meaningful.

Zach

Zach is the author behind Four Pillar Freedom, a blog that teaches you how to build wealth and gain freedom in life.

Zach's favorite free financial tool he's been using since 2015 to manage his net worth is Personal Capital. Each month he uses their free Investment Checkup tool and Retirement Planner to track his investments and ensure that he's on the fast track to financial freedom.

His favorite investment platform is M1 Finance, a site that allows him to build a custom portfolio of stocks for free, has no trading or maintenance fees, and even allows him to set up automated target-allocated investments.

His favorite way to save money each month on his recurring bills is by using Trim, a free financial app that negotiates lower cable, internet, and phone bills with any provider on your behalf.

His favorite micro-investing app is Acorns, a free financial app that takes just 5 minutes to set up and allows you to invest your spare change in a diversified portfolio.

His favorite place to find new personal finance articles to read is Collecting Wisdom, a site that collects the best personal finance articles floating around the web on a daily basis.

Zach

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Full Disclosure: Nothing on this site should ever be considered to be advice, research or an invitation to buy or sell any securities, please see my Terms & Conditions page for a full disclaimer.

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