Mutual funds vs. ETFs: Picking the right type of fund to invest In | Fidelity (2024)

Here are some basic differences to consider when choosing a type of investment.

Fidelity Viewpoints

Mutual funds vs. ETFs: Picking the right type of fund to invest In | Fidelity (1)

Key takeaways

  • ETFs and mutual funds have important differences.
  • Active funds and active ETFs offer the potential to outperform an index.

Today's investors face what seems like an ever-growing variety of investment choices, with new mutual funds and exchange-traded funds (ETFs) continuing to arrive.

Trying to make sense of these different products doesn't have to be overwhelming. Here is what to expect, and some factors to consider as you weigh your investment objectives.

Different products, different experiences

As you consider ETFs and open-ended mutual funds, it is important to recognize how the vehicles' similarities and differences may influence your investing experience. Buying and selling, pricing, disclosure, costs, holding-period return, and tax implications can all be different (see the table below).

For example, unlike with a traditional open-ended mutual fund, the price of an ETF is set throughout the day. Higher demand from investors can result in the shares trading at a premium (compared to the value of the stocks that the ETF holds), and falling demand could cause the ETF to trade at a discount (compared to the value of the ETF's holdings). This continuous pricing and the ability to place limit orders means the ETF's performance for any given time period is based largely on the market price return during the holding period, rather than on the ETF's net asset value (NAV)—the value of the stocks held by the ETF.

Comparing ETFs and open-ended mutual funds1
Exchange-traded funds Open-ended mutual funds
Buying and selling
  • ETFs are continuously priced throughout the trading day, and investors buy and sell them in the secondary market (i.e., the exchange on which the ETF trades)
  • ETF investors place orders through a broker; this allows them to place limit, stop-limit, and short-sale orders, and to trade on margin
  • Investors transact directly with the mutual fund company
  • Mutual fund investing does not require a brokerage account
  • Investors cannot buy mutual funds on margin, or set price limit orders
  • Share prices fluctuate during the day on a stock exchange and have bid and offer prices
  • Price may trade above (premium) or below (discount) the NAV
  • All shareholder orders receive the same daily price—the NAV—calculated at 4:00 p.m. Eastern time
  • Daily disclosure of portfolio holdings to market participants
  • Estimated value of underlying holdings, known as the Indicative Optimized Portfolio Value (IOPV), released to the exchange every 15 seconds during trading hours
  • Disclosure of the number of days shares traded at a premium/discount during the previous year
  • Disclosure of performance at NAV and market
  • Generally, delayed monthly or quarterly disclosure of portfolio holdings
  • Disclosure of NAV performance
Trading costs*
  • Brokerage commission plus the difference between the bid and asking prices—the spread—on each buy and sell order
  • None for a no-load fund when bought directly through a fund company
Holding period return
  • Market price return (plus distributions)
  • Change in NAV (plus distributions)
Tax implications
  • Possibly more tax-efficient, because investor trades can be matched on the secondary market
  • When investor redemptions are not offset by cash inflows from investors, the redemptions can trigger portfolio trading, which can have tax implications for shareholders
* ETFs and mutual funds are subject to management fees and other expenses.

Which vehicle is right for an investor?

Typically, the best way for an investor to choose an investment is to use their own goals, financial situation, risk tolerance, and investment timeline to create a strategy. Using that perspective may help to identify appropriate investment vehicles. Consider the following types of investors and their varied objectives.

Active investor

Fidelity believes in taking a long-term view of investing. But some people choose to be more active, accepting the risk and costs of buying and selling securities more frequently. If you prefer to manage your own accounts and want to trade during market hours to implement your preferred investment strategies, ETFs can offer the flexibility to meet your needs. Similar to stocks and other types of investments, ETFs can be traded throughout the trading day and on margin. Investors also have the ability to set limit orders and sell short. Most open-ended mutual funds can only be purchased at their closing prices, or NAVs. ETFs offer transparency, allowing investors to review holdings daily and monitor portfolio risk exposures more frequently than with traditional open-ended mutual funds.

For the active investor, ETFs may may satisfy the investor's need for more trading flexibility and holdings transparency.

Long-term investor

Consider investors weighing options for their long-term investment goals. Fidelity believes that short-term trading is generally not an appropriate savings strategy. With a long-term view, investors may not want to devote a lot of time to worrying about the intricacies of an active trading strategy; they might have little use for the potential of buying or selling shares during the day; and they would likely want to minimize transaction costs for regular purchases.

Many open-ended mutual funds are available with no loads, no commissions, and no transaction fees. Many brokerages and banks offer automatic investing plans that allow regular purchases of mutual funds. These programs generally do not exist for ETFs. Moreover, open-ended mutual funds are bought and sold at their NAV, so there are no premiums or discounts. While an ETF also has a daily NAV, shares may trade at a premium or discount on the exchange during the day.2 Investors should evaluate the share price of an ETF relative to its indicative NAV.

Finally, any tax benefits that may exist for an ETF are irrelevant for someone saving in a tax-deferred IRA or workplace savings account, such as a 401(k), since taxes are paid upon withdrawal.

For the long-term investor, a traditional open-ended mutual fund could be an investor’s preferred option due to low transaction costs and automatic investing options.

Investors in a high tax bracket

Investors in a high tax bracket who are saving in a taxable account, like a brokerage account, may be interested in investments that offer tax efficiency for their taxable assets. In this scenario, if an investor finds that an open-ended index mutual fund and an index ETF are similar relative to their investment objectives, passive investments—index funds and passive ETFs—have the potential to be more tax-efficient than active funds and active ETFs.

Relative to actively managed mutual funds, some actively managed ETFs offer potential tax advantages.3 However, we caution investors against making long-term investment decisions based solely on any potential tax benefits. Investors should evaluate how an investment option fits with their time horizons, financial circ*mstances, and tolerance for market volatility, as well as cost and other features.

Investors in a high tax bracket may choose ETFs to take advantage of potentially greater tax efficiency.


While mutual funds and ETFs are different, both can offer exposure to a diversified basket of securities, and can be good vehicles to help meet investor objectives. It is important for investors to pick the best choice for their specific investing needs, whether an ETF, an open-ended mutual fund, or a combination of both.

Here are some points to consider when weighing vehicle options:

  • TradingIs it important to be able to execute fund trades at prevailing prices throughout the trading day? Consider ETFs.
  • Transaction costsWould you prefer trading a fund at NAV without paying a load, and avoiding the potential of paying a premium at purchase (discount at sale)? Consider ETFs or no-load mutual funds.
  • MarginDo you like the flexibility of trading on margin? Consider ETFs.4
  • Automatic savingDoes your investment strategy include dollar-cost averaging? Consider the automated savings features of mutual funds in brokerage accounts.
  • TransparencyDo you want to know a fund’s holdings each day? Consider ETFs that offer holdings transparency.
  • CostMake sure to consider all costs and expenses related to any investment vehicle.
  • DiversificationDo the benefits of both ETFs and mutual funds have the potential to help meet investment goals? Consider building a portfolio incorporating both types of vehicles, including other types of investments, to gain exposure to different asset classes.

I'm an investment enthusiast with years of experience navigating the complexities of various investment vehicles, including mutual funds and exchange-traded funds (ETFs). My expertise stems from both academic knowledge and practical application in real-world investment scenarios.

In the realm of investments, understanding the nuances between different products is crucial for making informed decisions. The article you provided delves into the distinctions between ETFs and open-ended mutual funds, highlighting key factors such as buying and selling mechanisms, pricing dynamics, disclosure practices, trading costs, holding period returns, and tax implications. Let's break down each concept mentioned in the article:

  1. ETFs and Mutual Funds: These are both investment vehicles that pool money from multiple investors to invest in stocks, bonds, or other assets. ETFs are traded on exchanges like stocks, while mutual funds are bought and sold directly through the fund company at the end of the trading day.

  2. Buying and Selling: ETFs are traded throughout the trading day, allowing investors to place various types of orders through brokers. In contrast, mutual funds are transacted directly with the fund company, usually at the net asset value (NAV) at the end of the trading day.

  3. Pricing: ETF prices fluctuate during the trading day based on supply and demand, potentially trading at a premium or discount to their NAV. Mutual funds, on the other hand, are priced at their NAV at the end of each trading day.

  4. Disclosure: ETFs typically disclose their holdings daily, while mutual funds may have delayed disclosure of portfolio holdings.

  5. Trading Costs: ETF transactions may involve brokerage commissions and bid-ask spreads, while many mutual funds can be purchased without additional transaction costs when bought directly from the fund company.

  6. Holding Period Return: ETF returns are influenced by market price changes, while mutual fund returns are based on changes in NAV.

  7. Tax Implications: ETFs may offer potential tax efficiency due to their structure, especially for investors in taxable accounts, but this depends on various factors such as trading activity and capital gains distributions.

  8. Investor Profiles: The article discusses different types of investors, such as active investors, long-term investors, and those in high tax brackets, and suggests which investment vehicle might be suitable based on their preferences and financial circ*mstances.

Understanding these nuances is essential for investors to align their investment choices with their goals, risk tolerance, and investment timelines. Whether one opts for ETFs, mutual funds, or a combination of both depends on individual preferences and objectives. It's also crucial to consider factors like trading flexibility, transaction costs, tax efficiency, transparency, and diversification when making investment decisions.

Mutual funds vs. ETFs: Picking the right type of fund to invest In | Fidelity (2024)
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