Mutual fund values change once per business day, after the market closes

A mutual fund's price—called its net asset value or NAV—updates once each trading day at 4 p.m. Eastern Time, after U.S. stock and bond markets close. This is different from individual stocks, which change price every few seconds during market hours. You cannot buy or sell a mutual fund at 2 p.m. and lock in that moment's price; your order goes through at that day's closing NAV, whatever it turns out to be.

The NAV is calculated by adding up the current market value of every holding in the fund, subtracting any fund expenses, and dividing by the number of shares outstanding. If the fund holds 500 stocks and one of them drops 3 percent after you place your order, your fund's NAV will reflect that drop when it closes at 4 p.m., even though you ordered hours earlier.

This once-daily pricing is set by federal regulation. It applies to all mutual funds—stock funds, bond funds, money market funds. Exchange-traded funds (ETFs), which are similar to mutual funds but trade on an exchange like stocks, do change price throughout the day, but that is a different product category.

Key Takeaways

  • Mutual fund NAV updates once per business day at 4 p.m. Eastern Time, not continuously like stock prices.
  • Your buy or sell order executes at that day's closing NAV, not at the price you saw when you placed the order.
  • The NAV reflects the current market value of all holdings in the fund minus expenses, divided by total shares.
  • Weekend and holiday closures mean Friday's NAV does not update until Monday, so weekend news does not affect your price until then.

Why the NAV changes from day to day

The NAV moves because the stocks and bonds inside the fund move. If a fund holds Apple, Microsoft, and Tesla, and all three rise 2 percent in a day, the fund's NAV will rise roughly 2 percent (before accounting for any cash drag or fund fees). If the market falls, so does the NAV.

The size of the daily change depends on what the fund holds. A fund that owns large U.S. companies typically moves less dramatically than a fund that owns small emerging-market stocks or high-yield bonds. A money market fund, which holds very short-term, low-risk debt, might move only a few basis points per day or stay nearly flat.

Fund expenses also affect the NAV, though usually by a small amount each day. A fund with a 0.5 percent annual expense ratio loses about 0.0014 percent of its value per day to fees. Over time, this compounds, which is why lower-cost funds tend to outperform higher-cost ones holding similar investments.

What happens if you place an order after 4 p.m.

If you submit a buy or sell order after 4 p.m. Eastern Time on a business day, your order does not execute that day. It waits until the next business day's closing NAV. If you order on Friday at 5 p.m., your trade goes through at Monday's 4 p.m. closing price, not Friday's.

This delay protects fund shareholders from what is called late trading—a practice where traders could see market-moving news after hours and then trade at the stale closing price. Regulators banned it to keep the system fair for all investors.

Some brokerages allow you to place orders in the evening or early morning, but those orders still settle at that day's 4 p.m. NAV. The order time does not matter; only the calendar day matters.

How market volatility affects daily NAV swings

On a normal day, a diversified stock fund might move 0.5 to 1.5 percent. On a day when the stock market drops sharply—such as during a market correction or a major economic announcement—a fund's NAV can swing 3, 4, or even 5 percent or more in a single day.

Bond funds are generally less volatile than stock funds, but they still move daily. A bond fund's NAV can shift if interest rates change, if credit spreads widen or tighten, or if the bonds it holds are repriced by the market. During periods of rising interest rates, bond fund NAVs often fall.

Sector-specific funds—those focused on technology, healthcare, energy, or other industries—tend to swing more than broad market funds because they concentrate their holdings in fewer companies or themes. International funds add currency risk on top of market risk, so their NAVs can move for reasons unrelated to the underlying stocks.

Checking your fund's NAV and understanding the quote

You can find a mutual fund's NAV on your brokerage website, on the fund company's website, or on financial data sites like Yahoo Finance or Morningstar. The quote usually shows the previous day's closing NAV, the change in dollars, and the percentage change.

When you see a fund listed as "NAV: $52.34, +0.87 (+1.69%)", that means the fund closed at $52.34 per share, up $0.87 from the previous day's close. The percentage tells you how much your shares gained or lost in one day, assuming you held them overnight.

Some sites also show the fund's 52-week high and low, year-to-date return, and expense ratio. These give you context for whether the fund's daily movement is typical for its category or unusually volatile.

How dividends and distributions affect NAV

When a mutual fund pays a dividend or capital gains distribution, the NAV drops by the amount of the payout on the distribution date. If a fund's NAV is $50 and it pays a $2 dividend, the NAV will be $48 after the distribution, all else equal. You receive the $2 in cash (or it is reinvested if you have that option selected), so your total value does not change, but the per-share price does.

This is not a loss; it is a return of the fund's earnings to you. But it can look confusing if you are watching the NAV and see it drop on distribution day. The fund is not losing value—it is paying you what it earned.

Most funds distribute dividends and capital gains once or twice per year. Money market funds and some bond funds distribute monthly. The fund's prospectus tells you when distributions occur.

Frequently Asked Questions

Can I see what my mutual fund will be worth tomorrow?

No. The NAV depends on where the market closes tomorrow, which no one knows in advance. You can see today's closing NAV and historical trends, but tomorrow's price is unknowable until 4 p.m. Eastern Time tomorrow. This uncertainty is part of why mutual funds carry investment risk.

Why can't I trade mutual funds during market hours like stocks?

Mutual funds are priced once daily by regulation to prevent market timing and late trading abuses. Stocks trade continuously because each trade is between two parties at a negotiated price. A mutual fund's NAV is calculated for all shareholders at once, so it updates once per day instead.

Does my mutual fund NAV change on weekends or holidays?

No. The NAV only updates on business days when U.S. markets are open. If the market is closed Friday through Monday for a holiday weekend, your fund's NAV does not change until Monday's 4 p.m. close. Any news over the weekend affects your fund's price only when markets reopen.

If I own a mutual fund and the market crashes overnight, what happens to my shares?

Your shares' value will reflect the crash when the NAV updates at 4 p.m. that day. If you owned the fund before the crash, you own the same number of shares after, but each share is worth less. If you sell after the crash, you receive the post-crash NAV. You cannot undo the loss by selling quickly, because the price is set once daily.

Are mutual fund NAVs the same across all brokerages?

Yes. The NAV is set by the fund company and is the same everywhere. Whether you own the fund through Fidelity, Vanguard, Schwab, or another brokerage, you pay the same NAV price. Brokerages may charge different fees or commissions to buy or sell, but the fund's price itself is uniform.