Mutual funds trade once per day, after the stock market closes at 4 p.m. Eastern time

When you buy or sell shares of a mutual fund, the transaction does not happen instantly like a stock trade. Instead, all buy and sell orders placed during a single trading day are processed together at one price — the Net Asset Value (NAV) — calculated after the market closes. If you place an order before 4 p.m. Eastern on a business day, your trade settles at that day's closing NAV. If you place an order after 4 p.m. or on a weekend or holiday, it processes at the next business day's closing NAV.

This once-daily pricing is a legal requirement under the Investment Company Act of 1940. It means you cannot trade mutual funds throughout the day the way you can with stocks or exchange-traded funds (ETFs). The fund company calculates the NAV by taking the total value of all holdings in the fund, subtracting expenses, and dividing by the number of shares outstanding. That single price applies to every transaction that day, whether someone is buying $100 or $100,000 worth of shares.

Key Takeaways

  • All mutual fund trades settle at the closing NAV calculated after 4 p.m. Eastern on the day the order is placed, not at intraday prices.
  • Orders placed after 4 p.m. Eastern or on weekends and market holidays process at the next business day's NAV instead.
  • The fund company must calculate NAV at least once daily and publish it by 8 p.m. Eastern, though most publish it sooner.
  • You will not know the exact price you paid or received until after the market closes, even if you place your order in the morning.
  • Some brokerage firms allow you to place orders before market open, but they still settle at that day's closing NAV if submitted before the 4 p.m. cutoff.

Why mutual funds trade differently from stocks

Mutual funds are pools of money managed by a professional fund company. Because the fund holds dozens or hundreds of securities, and the value of those holdings changes throughout the day, the fund cannot price shares until it knows the final value of everything it owns. Stocks and ETFs, by contrast, trade continuously on an exchange — their price updates every few seconds based on what buyers and sellers are willing to pay right now.

The once-daily pricing rule protects fund shareholders from what regulators call "timing risk." Without it, someone could watch the market move during the day, place a trade at the last second based on intraday price movement, and gain an unfair advantage over shareholders who placed orders earlier. By pricing all shares at the same NAV, the fund treats every shareholder equally regardless of when during the day they traded.

What time cutoffs actually mean for your order

The critical time is 4 p.m. Eastern, Monday through Friday, when the stock market closes. If your brokerage receives your order before 4 p.m. Eastern on a business day, it processes at that day's NAV. If it arrives at 4:01 p.m., or at any time after the market closes, it processes at the next business day's NAV.

The order does not have to be placed directly with the fund company — it can go through your brokerage, a financial advisor, or a retirement account custodian. But all of these intermediaries have their own internal cutoff times, which are usually earlier than 4 p.m. Eastern. A brokerage might require orders by 2 p.m. Eastern to may provide same-day processing, or by 11:59 p.m. to process the next day. Check your brokerage's specific cutoff time, because missing it means your trade delays by a full business day.

Weekends, federal holidays, and market closures (like Christmas or Thanksgiving) do not count as business days. If you place an order on Friday after 4 p.m., or anytime on Saturday or Sunday, it processes at Monday's closing NAV, assuming Monday is a business day. If Monday is a holiday, it processes Tuesday.

How the NAV is calculated and published

After the stock market closes at 4 p.m. Eastern, the fund company's accounting team gathers the closing price of every security the fund owns. They add up the total value, subtract operating expenses and liabilities, and divide by the number of outstanding shares. This number is the NAV per share. The fund company must calculate it at least once daily and make it public by 8 p.m. Eastern, though most publish it much sooner — often by 5 or 6 p.m.

You can find the NAV on the fund company's website, on financial data sites like Yahoo Finance or Morningstar, or through your brokerage. The NAV is always listed alongside the date it was calculated, so you know which day's closing price you are looking at. Some funds also show the previous day's NAV so you can see whether the fund gained or lost value.

What happens between when you place an order and when it settles

When you submit a buy or sell order, your brokerage sends it to the fund company or its transfer agent (the company that handles shareholder records). The fund company collects all orders received before its cutoff time and processes them together at the closing NAV. This usually takes one business day, though some brokerages may show the transaction in your account the same day even though the actual settlement happens after the NAV is calculated.

The money for a buy order typically must be in your account before you place the order, or the order may be rejected. For a sell order, the fund shares must be in your account. Once the NAV is calculated and the trade settles, the fund company either deposits cash into your account (for a sale) or deducts it (for a purchase). This settlement usually happens within one to three business days after the NAV is calculated, depending on your brokerage and the fund company's procedures.

Trading mutual funds in retirement accounts

The same once-daily NAV pricing applies whether you are trading in a regular brokerage account, an IRA, a 401(k), or any other retirement account. The cutoff time may differ depending on your account custodian — a 401(k) plan might have an earlier cutoff than a brokerage IRA, for example. Some 401(k) plans allow trades only on certain days of the week or month, which is an additional restriction beyond the standard 4 p.m. cutoff.

If you are rolling over money from one retirement account to another or moving funds between investment options within a 401(k), the same rules apply. The transaction settles at the NAV on the day the custodian processes it, not on the day you request it. Check your plan documents or call your plan administrator to confirm the exact cutoff time and any additional trading restrictions.

Frequently Asked Questions

Can I place a mutual fund order before the stock market opens?

Yes, many brokerages allow you to place orders before 9:30 a.m. Eastern when the market opens. However, if you place the order before 4 p.m. Eastern on a business day, it still settles at that same day's closing NAV. You cannot lock in an intraday price — you are simply submitting your order early so the brokerage can process it when the market closes.

What if I place an order at 3:59 p.m. versus 4:01 p.m.?

An order at 3:59 p.m. Eastern processes at that day's closing NAV. An order at 4:01 p.m. processes at the next business day's closing NAV — a full day later. The difference in timing can mean a significant difference in price if the market moves sharply overnight. Always check your brokerage's cutoff time, because it may be earlier than 4 p.m.

Do I know the price before I confirm my order?

No. When you place a mutual fund order, you do not know the exact price you will pay or receive because the NAV has not been calculated yet. You will see an estimated NAV based on the previous day's closing price, but the actual price depends on how the fund's holdings move during the trading day. You find out the real price after the market closes and the NAV is published.

Can I cancel a mutual fund order after I place it?

It depends on timing. If you cancel before your brokerage's cutoff time (usually before 4 p.m. Eastern), the order is typically cancelled and never reaches the fund company. If you cancel after the cutoff, the order may have already been submitted to the fund company and cannot be stopped — you would have to place a sell order the next day to reverse it.

Why do some mutual funds have different cutoff times than others?

The 4 p.m. Eastern cutoff is set by law, but individual brokerages and fund companies may impose earlier cutoffs for their own operational reasons. A brokerage might need orders by 2 p.m. to ensure they reach the fund company by 4 p.m., or a fund company might stop accepting orders at 3 p.m. to allow time for processing. Always check your specific brokerage or fund company's rules.