NAV vs. Market Price: Key Differences
When investing in mutual funds, ETFs, or individual stocks, it’s easy to get confused between NAV (Net Asset Value) and market price. While they may sound similar, these terms reflect fundamentally different pricing mechanisms. In this article, we’ll break down the differences so you can make more informed investment decisions.
What Is NAV?
NAV, or Net Asset Value, represents the per-share value of a mutual fund. It's calculated by subtracting the fund's liabilities from its total assets and then dividing that figure by the number of outstanding shares. This value is published at the end of each trading day.
Formula:
NAV = (Total Assets - Total Liabilities) / Total Outstanding SharesNAV helps investors understand how much one share of the mutual fund is worth at the end of the day.
What Is Market Price?
Market price, on the other hand, is the price at which securities like stocks and ETFs are bought and sold on an exchange during market hours. This price is determined by the forces of supply and demand in real time.
Unlike mutual funds that are priced once per day at NAV, ETFs and stocks trade continuously at market price.
Mutual Funds: Priced at NAV
Mutual funds are not traded on an exchange, so investors buy or redeem shares directly from the fund company at the end-of-day NAV. There’s no bid-ask spread or premium/discount involved.
ETFs and Stocks: Priced by the Market
ETFs and individual stocks trade throughout the day, so their prices constantly change. Sometimes, the price of an ETF may deviate slightly from its NAV—this is referred to as trading at a premium or discount.
Key Differences at a Glance
| Feature | NAV | Market Price |
|---|---|---|
| Applies to | Mutual Funds | ETFs and Stocks |
| Price Updates | Once daily (after market) | Continuous during market |
| Determined By | Fund’s net assets | Supply and demand |
| Trading Mechanism | Direct with fund company | On stock exchanges |
| Subject to Fluctuations | No (intra-day) | Yes |
Example: Comparing NAV vs. Market Price
Let’s say:
- A mutual fund has a NAV of $25.00. You buy it directly from the fund at that price.
- An ETF tracking the same index has a NAV of $25.00 but due to investor demand, it trades on the market at $25.10.
That $0.10 difference is the ETF trading at a premium.
Why This Difference Matters to You
- For mutual fund investors: You always buy/sell at NAV, so the focus should be on fund performance and fees.
- For ETF investors: Be mindful of the bid-ask spread and premium/discount to NAV, which can subtly affect returns, especially for large investments.
Common Misconceptions
- “Lower market price means better value.” Not necessarily. NAV reflects the value of underlying assets.
- “NAV and market price always match.” Only for mutual funds. ETFs and stocks often differ due to trading activity.
Final Takeaway
NAV and market price are both useful—but for different asset types. As a mutual fund investor, NAV is your benchmark. If you’re investing in ETFs, the market price (and how it compares to NAV) becomes much more important.
Understanding these distinctions helps you evaluate investment choices and avoid confusion when tracking fund performance.

