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ETF vs mutual fund: how each one trades, prices and charges

Both pool money from many people to own a basket of investments. The difference is in the plumbing: when you can buy, what price you get and how costs show up.

Comparison · 6-minute read · Updated 2026-10-21

The short answer

An ETF (exchange-traded fund) trades on a stock exchange like a share. You can buy or sell it any time the market is open, at the market price. See ETF.

A mutual fund is bought and sold directly through the fund company or your broker. Orders fill once a day, at the fund's net asset value (NAV) set after the market closes.

Both can hold the same kinds of things: stocks, bonds or a whole index.

Side by side

Every fund is different. Read the fund's documents for its actual fees and rules.

How ETF pricing works

An ETF has a price on the screen all day, like a stock. Buyers and sellers trade it, so you'll see a Bid and ask and a small spread.

For big, popular ETFs, the spread is usually tiny. For small or unusual ones, it can be wider. A Limit order lets you set your price.

How mutual fund pricing works

You place an order during the day. It doesn't fill right away. After the market closes, the fund adds up the value of everything it holds, divides by shares, and gets the NAV. Every order that day fills at that price.

So you don't get a mid-day price, and you can't use limit or stop orders. For long-term investing, that usually doesn't matter much.

Fees

Both charge a yearly expense ratio, a percent of what you hold, taken from the fund.

• Index funds of either type usually have low expense ratios.
• Actively managed funds usually cost more.
• Some mutual funds also charge sales loads, a fee when you buy or sell. Check before you buy.

A math example. You hold $10,000 for a year:

A math example, not a promise. Over many years, fee differences compound. The compound interest calculator shows how.

Taxes, in brief (US)

In a taxable US account, ETFs are often more tax-efficient. Their structure usually lets them pass out fewer capital gains to holders each year. Mutual funds can distribute gains even if you didn't sell.

Inside retirement accounts, this difference mostly doesn't apply. Tax rules are personal; talk to a tax professional for your situation.

Which fits you?

• You want to set up automatic monthly investments in exact dollar amounts? Mutual funds make that easy. Some brokers do this for ETFs too.
• You want to trade during the day, use limit orders, or start with very little? ETFs fit.
• You invest in a taxable account? ETFs are often more tax-efficient.
• Your workplace plan only offers mutual funds? That's normal. Pick low-cost options inside it.

If you're curious how investing differs from trading, see investing vs trading.

Common mistakes

• Trading ETFs often because you can. Intraday trading doesn't help a long-term plan.
• Missing the sales load. Some mutual funds charge one; check.
• Comparing funds by past returns only. Fees and holdings matter more going forward.
• Using market orders on thin ETFs. The spread can be wider than you think.

Questions