ETF vs Mutual Fund: Key Differences Explained
Compare ETFs and mutual funds to decide which pooled investment vehicle fits your strategy, budget, and trading style.
Quick Answer
ETFs are generally cheaper and more flexible to trade; mutual funds are simpler for automatic, hands-off investing.
| Feature | ETF | Mutual Fund |
|---|---|---|
| Trades on an exchange like a stock throughout the day | Priced and traded once per day after market close | |
| Generally lower expense ratios | May have higher expense ratios | |
| No minimum investment beyond one share price | Often requires $1,000-$3,000 minimum | |
| More tax-efficient due to in-kind creation/redemption | Can generate capital gains distributions |
ETFs (Exchange-Traded Funds) bundle securities into a single fund that trades on a stock exchange. They offer low costs, intraday trading, and tax efficiency, making them popular with both beginners and sophisticated investors.
Mutual funds pool investor money to buy a diversified portfolio managed by a professional. They are well-suited for automatic investing and retirement accounts where intraday trading is unnecessary.
When to Use ETF
- You want the lowest possible expense ratios
- You prefer to trade during market hours
- You are investing in a taxable brokerage account
When to Use Mutual Fund
- You want automatic recurring investments with exact dollar amounts
- You invest through a 401(k) that offers mutual funds
- You prefer a managed fund with a specific strategy
Worked Example
$500/month invested for 20 years at 8% return: ETF expense ratio 0.03% vs mutual fund 0.50%.
ETF
ETF grows to approximately $292,500.
Mutual Fund
Mutual fund grows to approximately $277,400.
The 0.47% fee difference costs about $15,100 over 20 years.
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Frequently Asked Questions
Are index mutual funds as cheap as ETFs?
Some index mutual funds from major providers now match ETF expense ratios, so always compare.
Can I buy fractional ETF shares?
Many brokers now offer fractional ETF shares, eliminating the minimum investment advantage of mutual funds.
Which is better for a 401(k)?
Most 401(k) plans only offer mutual funds, so ETFs are usually for brokerage and IRA accounts.