How many different index funds should I own?
Generally speaking, fewer than 10 ETFs are likely enough to diversify your portfolio, but this will vary depending on your financial goals, ranging from retirement savings to income generation.
Some index funds provide exposure to thousands of securities in a single fund, which helps lower your overall risk through broad diversification. By investing in several index funds tracking different indexes you can built a portfolio that matches your desired asset allocation.
You only need one S&P 500 ETF
You could be tempted to buy all three ETFs, but just one will do the trick. You won't get any additional diversification benefits (meaning the mix of various assets) because all three funds track the same 500 companies.
Unless you are very well versed with the markets and have expert knowledge about mutual funds, a good rule of thumb would be to own: Large Cap Mutual Funds: Up to 2. Maybe 3 at best. Beyond that, it doesn't make sense as there will be a great overlap in the shares owned by your mutual funds.
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.
How many S&P 500 index funds do I need? S&P 500 index funds will be nearly identical to one another in terms of their performance and their holdings, or the particular stocks held within the fund. Investing in multiple S&P 500 index funds will not necessarily further diversify your portfolio.
Your time horizon: If you have a long-term investment horizon (at least 10 years), then investing all of your savings into one stock market index fund can be a good strategy.
It's easy to see why S&P 500 index funds are so popular with the billionaire investor class. The S&P 500 has a long history of delivering strong returns, averaging 9% annually over 150 years. In other words, it's hard to find an investment with a better track record than the U.S. stock market.
According to Standard and Poor's, the average annualized return of the S&P index, which later became the S&P 500, from 1926 to 2020 was 10%. 1 At 10%, you could double your initial investment every seven years (72 divided by 10).
Yes, it can make sense to invest in multiple index funds as part of a diversified investment portfolio. Diversification is an important investment strategy that can help reduce overall risk and increase potential returns.
Can you have too many index funds?
The addition of too many funds simply creates an expensive index fund. This notion is based on the fact that having too many funds negates the impact that any single fund can have on performance, while the expense ratios of multiple funds generally add up to a number that is greater than average.
The S&P 500 is all US-domiciled companies that over the last ~40 years have accounted for ~50% of all global stocks. By just owning the S&P 500 you miss out on almost half of the global opportunity set which is another ~10,000 public companies.
The three-fund portfolio is a sound investing approach, and you can't go wrong with it. If you set up asset allocation appropriate for your age, a three-fund portfolio will most likely perform well. I say "most likely" because nothing is guaranteed with investing, but this strategy is one of the safer options.
The 5% rule says as an investor, you should not invest more than 5% of your total portfolio in any one option alone. This simple technique will ensure you have a balanced portfolio.
A three-fund portfolio is a portfolio which uses only basic asset classes — usually a domestic stock "total market" index fund, an international stock "total market" index fund and a bond "total market" index fund.
According to our calculations, a $1000 investment made in February 2014 would be worth $5,971.20, or a gain of 497.12%, as of February 5, 2024, and this return excludes dividends but includes price increases. Compare this to the S&P 500's rally of 178.17% and gold's return of 55.50% over the same time frame.
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.
Ramsey says index mutual funds can be a better buy than ETFs. Ramsey suggested that if you do want to engage in passive investing, you're better off doing it with an index mutual fund than with an ETF that tracks a market or financial index.
For beginners, the vast array of index funds options can be overwhelming. We recommend Vanguard S&P 500 ETF (VOO) (minimum investment: $1; expense Ratio: 0.03%); Invesco QQQ ETF (QQQ) (minimum investment: NA; expense Ratio: 0.2%); and SPDR Dow Jones Industrial Average ETF Trust (DIA).
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.
What is the rule of 20 S&P 500?
Rule of 20: Stocks are considered fairly valued when the sum of the S&P 500 forward P/E ratio and the year-over-year change in the consumer price index (CPI) is equal to 20 (or inexpensive when it's below 20).
While indexes may be low cost and diversified, they prevent seizing opportunities elsewhere. Moreover, indexes do not provide protection from market corrections and crashes when an investor has a lot of exposure to stock index funds.
Disadvantages include the lack of downside protection, no choice in index composition, and it cannot beat the market (by definition).
Historically, the market trends upwards over time: While there can be corrections and downturns, the S&P 500 has historically delivered positive returns over the long term (at least 10 years).
In 2020, Buffett said that “for most people, the best thing to do is to own the S&P 500 index fund, adding “People will try to sell you other things because there's more money in it for them if they do.” This no-frills investment strategy is one of the best for ensuring long-term, low-cost gains.
