What Is an ETF?

Last week, I learned that buying a stock means owning part of a company.

That made me wonder something.

If I want to own more than one company, do I have to buy a bunch of stocks separately?
That could get complicated fast.

What if there was a way to buy one thing that gave me pieces of many companies at once?

Turns out, there is.
It’s called an ETF.


ETF stands for Exchange-Traded Fund

Let’s break that down.

  • Exchange means a stock exchange, like the New York Stock Exchange or Nasdaq.
  • Traded means it’s bought and sold just like a regular stock.
  • Fund means it’s a group of investments, bundled together.

So an ETF is a kind of “basket” filled with many different stocks.
You buy it like a single stock, but it gives you ownership in many companies at the same time.


A real example: SPY

SPY is one of the most famous ETFs.
It includes about 500 of the biggest companies in the U.S. — like Apple, Amazon, Microsoft, and Google.

Instead of buying each of those companies one by one, you can just buy SPY, and you get a little bit of all of them.

It’s like ordering a combo meal at a restaurant.
You get a burger, fries, and a drink, all in one box.


Why people like ETFs

Here are some reasons why ETFs are popular, especially for beginners:

  • They’re simple. One purchase gives you instant diversification.
  • They’re safer than betting on just one company. If one stock goes down, others in the basket might go up.
  • They usually have low fees. Cheaper than mutual funds or actively managed portfolios.
  • They’re easy to trade. You can buy or sell them any time the stock market is open.

Not all ETFs are the same

Just like there are thousands of individual stocks, there are also thousands of ETFs.

Some follow big indexes like the S&P 500.
Others focus on tech companies, clean energy, healthcare, or even countries like Japan or India.

There are even ETFs for very specific things, like gaming companies or space exploration.


I bought my first ETF (virtually)

In my virtual portfolio, I decided to buy SPY.

It felt cool to think that with just one trade, I was now part-owner of hundreds of companies I use every day.

Next, I want to compare different ETFs and see how they perform over time.


What I Learned

  • An ETF is a fund that holds many stocks and trades like a single stock.
  • SPY is an ETF that tracks the top 500 U.S. companies.
  • ETFs are a good way to spread risk and make investing simpler.
  • You don’t need to pick individual winners when you can buy the whole group.

Coming soon:
I’ve been hearing a lot about “the S&P 500.” I know SPY follows it, but what is it really?
Next week, I’ll figure out what the S&P 500 is, and why it matters so much.


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