Is an S&P 500 index fund enough?
If you don't want to put a lot of effort into managing your investments, then S&P 500 ETFs are a good solution. But if you're willing to do the work, then you might do even better in the long run with a portfolio of hand-picked stocks (although, the odds are against you).
However, this strategy is not bulletproof. Simply put, only investing in the S&P 500 is not a wise strategy for the long-term intelligent investor because it ignores some fundamental principles of diversification and historical unpredictability.
Assuming an average annual return rate of about 10% (a typical historical average), a $10,000 investment in the S&P 500 could potentially grow to approximately $25,937 over 10 years.
Investing $100 a month into an S&P 500 ETF can be a sound long-term investment strategy, especially for those with a lower risk tolerance. The S&P 500 has historically provided average annual returns of around 10%, which means that $100 invested each month could grow to a significant amount over time.
What is the minimum investment for the S&P 500? For an S&P 500 index fund, many come with no minimum investment. For an S&P 500 ETF, you might need to pay the full price of a single share, which is generally upwards of $100—but some robo-advisors like Stash offer fractional shares for as little as $5.
In 1980, had you invested a mere $1,000 in what went on to become the top-performing stock of S&P 500 (^GSPC 0.63%), then you would be sitting on a cool $1.2 million today. That equates to a total return of 120,936%. The stock? None other than Gap (GPS 4.66%).
The one time it's okay to choose a single investment
That's because your investment gives you access to the broad stock market. Meanwhile, if you only invest in S&P 500 ETFs, you won't beat the broad market. Rather, you can expect your portfolio's performance to be in line with that of the broad market.
If the S&P 500 outperforms its historical average and generates, say, a 12% annual return, you would reach $1 million in 26 years by investing $500 a month.
Here's how a 10.25% return would break down if you invested $5,000 at the beginning of each year over four decades. Data source: Author's calculations. As you can see from the chart, investing $5,000 annually in the S&P 500 would make you a millionaire in a little over 30 years, assuming average 10.25% annual returns.
Years Invested | Balance At the End of the Period |
---|---|
10 | $102,422 |
20 | $379,684 |
30 | $1,130,244 |
40 | $3,162,040 |
How much money would I have if I invested in S&P 500 20 years ago?
If you had made monthly contributions over that time, you'd have made much more money. Over the past 20 years, the index has gained a total average annual return of around 10%. If you initially invested $10,000 and added $100 per month, you'd have $136,000 today. Image source: Investor.gov.
Imagine you wish to amass $3000 monthly from your investments, amounting to $36,000 annually. If you park your funds in a savings account offering a 2% annual interest rate, you'd need to inject roughly $1.8 million into the account.
Many retirement planners suggest using a more modest annual return of 6% when forecasting the long-term performance of a portfolio. At 6%, after 20 years the $200-a-month portfolio would be worth $93,070. After 40 years earning the same return, your model portfolio would be up to about $398,000.
The easiest way is to invest in an S&P 500 index fund. You can do this in a tax-advantaged account like a 401(k), IRA, HSA, or 529 plan. You could also open a taxable brokerage account to purchase an S&P 500 index fund.
Average Market Return for the Last 10 Years
Looking at the S&P 500 from 2013 to mid-2023, the average S&P 500 return for the last 10 years is 12.39% (9.48% when adjusted for inflation), which is also higher than the annual average return of 10%.
The S&P 500 returned 345% over the last two decades, compounding at 7.7% annually. But with dividends reinvested, the S&P 500 delivered a total return of 546% over the same period, compounding at 9.8% annually.
With the S&P 500 roaring higher in the new bull market, now is a great time to invest in stocks -- whether you're a seasoned investor or just getting started.
Does the S&P 500 Pay Dividends? The S&P 500 is an index, so it does not pay dividends; however, there are mutual funds and exchange-traded funds (ETFs) that track the index, which you can invest in. If the companies in these funds pay dividends, you'll receive yours based on how many shares of the funds you hold.
Once you have $1 million in assets, you can look seriously at living entirely off the returns of a portfolio. After all, the S&P 500 alone averages 10% returns per year. Setting aside taxes and down-year investment portfolio management, a $1 million index fund could provide $100,000 annually.
Is it better to buy individual stocks or index funds?
The biggest difference between investing in index funds and investing in stocks is risk. Individual stocks tend to be far more volatile than fund-based products, including index funds. This can mean a bigger chance for upside … but it also means considerably greater chance of loss.
Think About This: $10,000 invested in the S&P 500 at the beginning of 2000 would have grown to $32,527 over 20 years — an average return of 6.07% per year.
Is Investing in the S&P 500 Less Risky Than Buying a Single Stock? Generally, yes. The S&P 500 is considered well-diversified by sector, which means it includes stocks in all major areas, including technology and consumer discretionary—meaning declines in some sectors may be offset by gains in other sectors.
While there are few certainties in the financial world, there's virtually no chance that an index fund will ever lose all of its value. One reason for this is that most index funds are highly diversified. They buy and hold identical weights of each stock in an index, such as the S&P 500.
So, if you are looking to own a more diversified basket of stocks, the S&P 500 will be the right fit for you. However, those who are comfortable with the slightly higher risk for the extra returns that investing in Nasdaq 100 based fund might generate will be better off with Nasdaq 100.
References
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