What NAV Means When You're Looking at Stock Prices

NAV is the per-share value of what a fund owns, not the price you pay to buy it

NAV stands for net asset value. It is the total value of everything a fund holds — stocks, bonds, cash — minus what it owes, divided by the number of shares outstanding. NAV tells you what each share is theoretically worth based on the fund's holdings at the end of each trading day.

The reason NAV matters is that some funds trade at a price different from their NAV. A closed-end fund or ETF might trade at $50 per share even though its NAV is $48. That $2 difference — called a premium or discount — is real money that affects what you pay and what you get back when you sell.

For most individual stock investors, NAV is not something you encounter. It applies to funds — mutual funds, ETFs, and closed-end funds — not to individual company shares. If you own Apple stock, there is no NAV; there is only the market price. But if you own a fund that holds Apple and 99 other stocks, that fund has a NAV.

Key Takeaways

• NAV is calculated once per day for mutual funds and throughout the day for ETFs, and represents the per-share value of the fund's holdings minus its liabilities.
• Closed-end funds and some ETFs can trade at a price above their NAV (a premium) or below it (a discount), which affects the real cost of buying in or selling out.
• Open-end mutual funds always trade at their NAV at the end of each trading day, so there is no premium or discount to worry about.
• NAV is listed on fund fact sheets, fund company websites, and financial data sites like Morningstar, usually updated daily or in real time.

How NAV is calculated and updated

The calculation is straightforward: add up the market value of every holding in the fund, subtract any debt or expenses the fund owes, and divide by the number of shares. If a fund owns $100 million in stocks and bonds, owes $2 million to its lenders, and has 10 million shares outstanding, the NAV per share is $9.80.

For open-end mutual funds, NAV is calculated once per day, usually after the stock market closes at 4 p.m. Eastern time. You place an order to buy or sell a mutual fund during the day, but you do not know the exact price until that evening calculation. That price is locked in for your trade.

For ETFs and closed-end funds, NAV is calculated throughout the day as prices change. You can see both the NAV and the actual trading price side by side on your brokerage screen. The difference between them — the premium or discount — is visible in real time.

When NAV and trading price are the same

Open-end mutual funds always trade at their NAV. There is no premium or discount because the fund company itself stands ready to buy shares back from you or issue new shares to buyers at the NAV price. This is built into how mutual funds work: they are required by law to redeem shares at NAV.

Most ETFs also trade very close to their NAV most of the time, though not exactly. The difference is usually small — a few cents per share — because large traders called authorized participants can create or destroy ETF shares to keep the price in line with NAV. But the mechanism is different from a mutual fund, and the price can drift slightly.

Closed-end funds, by contrast, trade like stocks. Once the fund issues its shares, no new shares are created and old ones are not redeemed. The price floats based on supply and demand, just like a stock price. A closed-end fund might trade at a 5 percent premium or a 10 percent discount to its NAV depending on whether investors want in or out.

Why premiums and discounts happen

A closed-end fund trades at a premium when investors are willing to pay more than the fund's holdings are worth. This usually happens when the fund is popular, has a strong track record, or holds assets that are hard to buy directly. A discount happens when investors want out — perhaps because the fund's performance has lagged, or because interest rates have risen and bond funds are less attractive.

Discounts can create opportunities. If a closed-end fund holds solid assets but trades at a 10 percent discount, you are buying $1 of assets for 90 cents. But discounts can also persist for years, so buying a discount is not automatic profit. Premiums work the opposite way: you pay extra, and that premium can shrink if the fund falls out of favor.

ETFs rarely trade at large premiums or discounts because of the authorized participant mechanism. If an ETF's price drifts too far above its NAV, authorized participants can buy the underlying stocks, exchange them for new ETF shares, and sell those shares at the higher price — a trade that pushes the price back down. This arbitrage keeps ETF prices honest.

Where to find NAV information

Your brokerage platform shows NAV for any fund you search. On Fidelity, Schwab, or Vanguard, pull up a fund and you will see the NAV listed alongside the current price. Financial data sites like Morningstar, Yahoo Finance, and Google Finance also display NAV for mutual funds and ETFs.

The fund company's own website is another source. Vanguard, Fidelity, and iShares all publish NAV daily or in real time. If you own a fund through a 401(k) or other retirement plan, your plan statement shows the NAV as the price you bought or sold at.

For closed-end funds, the premium or discount is sometimes listed directly on financial sites. If not, you can calculate it yourself: divide the trading price by the NAV, subtract 1, and multiply by 100. A fund trading at $48 with a NAV of $50 has a discount of 4 percent.

NAV and your investment decisions

If you are buying an open-end mutual fund, NAV is not a decision point — you pay NAV no matter what. The only choice is which fund to buy.

If you are buying a closed-end fund or an ETF, the premium or discount matters. Buying a closed-end fund at a steep discount can make sense if you believe the discount will narrow. Buying at a premium means you are betting the fund will outperform enough to make up the extra cost. For most investors, a small ETF premium or discount of less than 1 percent is not worth worrying about.

NAV also matters if you are comparing the same fund across different share classes. Some funds offer multiple classes — Class A, Class B, Class C — with different fees. They all hold the same assets, so they have the same NAV, but the share price differs because of the fee structure. Comparing NAV helps you see the true cost.

NAV in different market conditions

When the stock market falls sharply, NAV falls with it. If a stock fund's holdings drop 10 percent in value, the NAV drops 10 percent. This is not a flaw in how NAV is calculated — it is the point. NAV reflects reality: your fund is worth less because the stocks inside it are worth less.

In a rising market, NAV rises. In a flat market, NAV stays roughly stable unless the fund pays a dividend, which reduces NAV by the amount of the dividend (though you receive that amount in cash or reinvested shares).

For closed-end funds, the premium or discount can widen or narrow independently of NAV changes. A fund's NAV might rise 5 percent, but if the discount widens from 5 percent to 10 percent, the trading price might actually fall. This is why closed-end fund investors watch both numbers.

Frequently Asked Questions

Is NAV the same as the stock price?

No. NAV applies only to funds, not individual stocks. A stock has a market price set by buyers and sellers. A fund has a NAV based on its holdings, and a trading price that may differ from the NAV (especially for closed-end funds). For mutual funds, the trading price and NAV are the same.

Should I buy a fund trading at a premium or a discount?

For open-end mutual funds, it does not matter — you pay NAV either way. For closed-end funds, a discount can be attractive if you think it will narrow, but discounts can persist. A small ETF premium or discount under 1 percent is usually not worth factoring into your decision. Focus on the fund's holdings and fees first.

Can NAV go negative?

In theory, yes, if a fund's liabilities exceeded its assets. In practice, this almost never happens because fund managers and custodians prevent it. If a fund's value falls sharply, the fund company will close it or merge it into another fund rather than let NAV go negative.

Why does my mutual fund price not match the NAV I see online?

The NAV you see online may be from the previous day's close. Mutual fund prices are set once per day after the market closes. If you are looking at a price during the trading day, it is yesterday's NAV. Check the date on the NAV quote to confirm.

Do I need to understand NAV to invest in funds?

For mutual funds, no — you pay NAV automatically and do not need to think about it. For ETFs, understanding that they usually trade close to NAV helps you avoid overpaying. For closed-end funds, knowing the premium or discount is useful if you plan to hold them long term.