
Why Invest in the S&P 500 Index
A low-cost S&P 500 index fund is one of the best ways to grow your portfolio. With the advent of zero-commission trading and fractional-share investing, ETFs (exchange-traded funds) have become a great way to invest in the S&P 500 – perhaps even better than mutual funds.
Here are 3 reasons to invest in a low-cost S&P 500 index ETF:
- The S&P 500 index beats most money managers year after year
- A $10k investment in the S&P 500 over 50 years would be worth over $1.1 million
- Warren Buffett plans to leave 90% of his money in the S&P 500 when he’s gone
How to Select the Best S&P 500 ETFs
When selecting the best S&P 500 ETFs in 2020, here are 3 points to consider:
- How low are their fees (net expense ratio)? The lower the better!
- What’s their trading volume? Higher trading volume means higher liquidity.
- How well do they track the S&P 500 Index? They need to be within 1% of the index over the past 5 years to make this list – with one notable exception (see #4).
#1: VOO – Vanguard S&P 500 ETF
- Issuing Company: Vanguard
- Net expense ratio: 0.03%
- Trading volume (average 10-day): 2.5 million
How well does VOO track the S&P 500? The 5-year charts are nearly identical.
5-Year Overall Performance (as of 2/23/2020)
- S&P 500: 58.17%
- VOO: 58.16%
5-Year Chart of VOO vs S&P 500

#2: IVV – iShares Core S&P 500 ETF
- Issuing Company: BlackRock
- Net expense ratio: 0.04%
- Trading volume (average 10-day): 4.8 million
How well does IVV track the S&P 500? IVV tracks the index very well.
5-Year Overall Performance (as of 2/23/2020)
- S&P 500: 58.17%
- IVV: 57.47%
5-Year Chart of IVV vs S&P 500

#3: SPY – SPDR® S&P 500 ETF Trust
- Issuing Company: State Street Global Advisors
- Net expense ratio: 0.09%
- Trading volume (average 10-day): 60.8 million
How well does SPY track the S&P 500? It also tracks the index very well.
5-Year Overall Performance (as of 2/23/2020)
- S&P 500: 58.17%
- VOO: 57.85%
5-Year Chart of SPY vs S&P 500

One alternative to consider
#4: SPLG – SPDR Portfolio S&P 500 ETF
- Issuing Company: State Street Global Advisors
- Net expense ratio: 0.03%
- Trading volume (average 10-day): 2.8 million
How well does it track the S&P 500? This one is a little tricky to answer. State Street, the same issuer of the SPY (#3 on this list) is also the issuer of SPLG. They converted their SPDR Portfolio Large Cap ETF to the SPDR Portfolio S&P 500 ETF on January 24, 2020. It’s basically a low-cost version of the SPY. It’s also a great way to gain exposure to the S&P 500 index.
The Bottom Line
Investing in a low-cost S&P 500 ETF is an excellent way to grow your portfolio. With the advent of zero-commission trading and partial-share trading, ETFs could potentially be better than mutual funds for investing in the S&P 500. These 3 top ETFs plus 1 alternative are 4 great ways to invest in the S&P 500.
Disclosure
I/we do not own any shares of stocks/ETFs discussed in this article.
I wrote this article myself and it expresses my own opinions. I’m not receiving compensation for it (other than from Wolves Of Investing), and I have no business relationship with any company whose stock is mentioned in this article.
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Donnie Nguyen
Donnie Nguyen is the founder and CEO of Wolves of Investing. He started investing in the stock market in the early 2000s. He follows the teachings of Peter Lynch, Warren Buffett, and other investing legends. When he's not investing or blogging, he loves spending time with his family traveling and experiencing the world.
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