What Is NAV in Mutual Funds? Meaning, Formula & Importance

When you invest in a mutual fund, you are not directly purchasing individual stocks or bonds. Instead, you buy units of a professionally managed fund that invests your money across different assets.

But how do you know the value of one unit of that mutual fund?

The answer is NAV (Net Asset Value). Understanding what NAV in mutual funds is helps investors know the actual value of their investment, how mutual fund units are priced, and why NAV changes every day.

In this blog, we will explore NAV, its formula, calculation of NAV, factors affecting NAV, compare NAV vs stocks, tips for understanding it, etc. Keep scrolling.

What is NAV in Mutual Funds?

NAV (Net Asset Value) is the per-unit value of a mutual fund scheme after deducting all liabilities from its total assets. In simple words, NAV tells you the current value of one unit of a mutual fund.

For example:

If a mutual fund has a NAV of ₹50, it means one unit of that mutual fund is currently worth ₹50.

If you invest ₹10,000:

Units purchased = ₹10,000 ÷ ₹50 = 200 units

If the NAV increases to ₹60:

Investment value = 200 × ₹60 = ₹12,000

Your investment grows because the value of each unit has increased.

Why Does NAV Matter for Mutual Fund Investors?

NAV is important because it determines the value of your mutual fund investment.

1. It Determines Purchase Value

When you invest in a mutual fund, you receive units based on the applicable NAV.

Example:

Investment amount: ₹25,000
NAV: ₹100

Units received:

₹25,000 ÷ ₹100 = 250 units

2. It Determines Redemption Value

When you sell your mutual fund units, the redemption amount is calculated using the NAV applicable on that day.

Example:

Units owned: 500
NAV: ₹150

Investment value:

500 × ₹150 = ₹75,000

3. It Helps Track Fund Performance

A rising NAV generally means the value of the underlying investments has increased.

However, investors should remember:

A higher NAV does not always mean a better mutual fund.

A fund with a NAV of ₹500 can perform worse than a fund with a NAV of ₹50.

Returns percentage, risk level, fund strategy, and management quality matter more.

What is the NAV Formula?

The standard NAV formula is:

NAV = (Total Assets – Total Liabilities) ÷ Total Outstanding Units

Let's understand each component.

Total Assets

These include:

• Stocks owned by the mutual fund
• Bonds and securities
• Cash balance
• Dividend income
• Interest income
• Other investments

Total Liabilities

These include:

• Fund management fees
• Operating expenses
• Pending payments
• Other financial obligations

Outstanding Units

These are the total units held by all investors in the mutual fund scheme.

How is NAV Calculated?

The calculation of mutual fund NAV happens every business day after the stock market closes.

The process includes:

Step 1: Calculate Total Asset Value

The fund house calculates the current market value of all investments.

Example:

Stocks = ₹400 crore
Bonds = ₹100 crore
Cash = ₹50 crore

Total assets:

₹550 crore

Step 2: Subtract Liabilities

Suppose:

Expenses and liabilities = ₹50 crore

Net assets:

₹550 crore - ₹50 crore

= ₹500 crore

Step 3: Divide by Total Units

If the fund has 10 crore units:

NAV:

₹500 crore ÷ 10 crore

= ₹50 per unit

Therefore, the mutual fund NAV is ₹50.

NAV Calculation Example

Suppose ABC Mutual Fund has:

Using the NAV formula:

NAV = (₹850 crore - ₹50 crore) ÷ 20 crore

NAV = ₹800 crore ÷ 20 crore

NAV = ₹40 per unit

This means every unit of the mutual fund is valued at ₹40.

When is Mutual Fund NAV Updated?

Mutual fund NAV is calculated once every business day after market closing. Unlike stocks, where prices change continuously throughout the trading session, mutual fund NAV is calculated at the end of the day.

The NAV applicable to your investment depends on:

• Transaction timing
• Fund type
• Applicable cut-off rules

Investors should always check the latest rules from their fund house before making large investments.

How Does NAV Affect SIP Investments?

NAV plays an important role in SIP investments. In SIP, you invest a fixed amount every month. The number of units you receive depends on the NAV on that date.

Example:

Month 1

Investment: ₹5,000
NAV: ₹100

Units: 50 units

Month 2

Investment: ₹5,000
NAV: ₹125

Units: 40 units

Does a Low NAV Mean a Better Mutual Fund?

No. This is one of the biggest misconceptions among new investors.

Many people think:

"Fund A has NAV ₹10 and Fund B has NAV ₹100, so Fund A is cheaper."

This is incorrect.

NAV only represents the value of one unit.

Example:

Fund A:

NAV = ₹10
Growth = 20%

New NAV = ₹12

Fund B:

NAV = ₹100
Growth = 20%

New NAV = ₹120

Both delivered the same percentage return.

Investors should focus on:

• Historical performance
• Risks in mutual funds
• Fund objective
• Expense ratio
• Fund manager experience
  
  

NAV vs Share Price: What is the Difference?

For regular mutual funds, you buy and sell units based on NAV.

Factors That Affect NAV

Several factors can increase or decrease NAV.

1. Market Performance

If the stocks and securities owned by the fund increase in value, NAV generally rises.

2. Fund Expenses

Higher expenses can reduce the NAV because liabilities increase.

3. Dividend Distribution

Dividend payments can affect the fund’s NAV.

4. Investment Inflows and Outflows

Large buying or selling activity can influence the number of units in a fund.

Common NAV Mistakes Investors Should Avoid

Mistake 1: Choosing Funds Only Based on Low NAV

Low NAV does not mean better returns.

Mistake 2: Checking NAV Daily

Short-term NAV movements are normal. Investors should focus on long-term goals.

Mistake 3: Comparing NAV Between Different Funds

Different funds have different investment strategies, sizes, and histories.

Mistake 4: Ignoring Fund Performance

NAV alone cannot tell whether a fund is suitable.

How Can You Check Mutual Fund NAV?

Investors can check the latest NAV through:

• Mutual fund company websites
• AMFI India website
• Investment platforms
• Fund fact sheets

Most platforms also provide historical NAV data for performance comparison.

NAV vs Share Price: Key Differences

Many beginners confuse NAV vs share price. Here’s the clear difference:

Share Price (Stocks): Determined by supply and demand in the market. It can trade above or below the company’s actual value throughout the day.

NAV (Mutual Funds): It is the actual per-unit value, calculated daily. You always buy/sell at (or very close to) NAV. No bargaining or intraday swings for open-ended mutual funds.

For ETFs (a type of fund traded like stocks), the market price can differ slightly from NAV, but arbitrage keeps them close. For regular mutual funds, NAV is the price you use.

Factors That Affect NAV

• Market movements (stocks up = NAV up)
• Fund manager’s decisions
• Inflows and outflows of money
• Expenses and dividends.

NAV fluctuates, but over the long term, good funds tend to grow if markets do well.

Common Myths About NAV

Myth 1: Lower NAV is always better.

Reality: NAV is just a number. Growth percentage matters more.

Myth 2: NAV is fixed.

Reality: It changes daily with the market.

Myth 3: High NAV means the fund is expensive.

Reality: It just shows the fund has grown over time.

Tips for Understanding NAV

Before investing in mutual funds:

• Do not select funds only because of low NAV.
• Understand the fund’s investment objective.
• Compare long-term returns.
• Check expense ratio and risk level.
• Continue investing based on financial goals rather than daily NAV changes.

Conclusion

Understanding NAV in mutual funds is essential for every investor. NAV helps you know the value of your mutual fund units, calculate your investment value, and understand how your money grows over time.

However, NAV should not be the only factor when selecting a mutual fund. A successful investment decision depends on choosing the right fund based on your goals, risk tolerance, and long-term strategy.

(Sources: ICICI Bank, Kotak MF, Nippon India, ICICI Direct, Groww)

DISCLAIMER: This blog is NOT any buy or sell recommendation. No investment or trading advice is given. The content is only for educational purposes. Always discuss with your SEBI-registered financial advisor for investment-related decisions.