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How to compute your income in Mutual Funds

A lot of people invested in Mutual Funds are still at a loss regarding how their earnings from this investment is computed. We’ll try to simplify how it’s being done in this discussion.

Here’s a step-by-step guide on how you yourself can manually compute the gains (or losses) of your Mutual Fund investment.

Step 1: Determine the number of shares you own

When you invest in mutual funds, you are actually buying “shares” of the mutual fund company. (Learn more about it here: Introduction to Mutual Funds)

The price you pay is equal to the NAVPS or the Net Asset Value per Share, a figure that changes every day since it represents the market value of the investments owned by the mutual fund company.

Let’s assume you want to invest P100,000 in a Mutual Fund. You checked and saw that the mutual fund’s NAVPS price is P1.75.

Given that NAVPS value, your P100,000 investment will give you 57,142 shares of that mutual fund:

  • P100,000 divided by P1.75 = 57,142 shares

Your total investment value that day is P99,998.50, computed as follows:

  • 57,142 shares x P1.75 NAVPS = P99,998.50

Does that mean the entire P100,000 is not invested? That’s correct, and you actually will get a change of P1.50 from the company.

For simplicity purposes, we did not consider any fees or sales loads charged by the fund. Do note, though, that most funds will charge a fee either upon investment (entry fee) or when redeeming your mutual fund shares (exit fee).

Step 2: Determine the current NAVPS

At any day, you can compute the value of your mutual fund investment. The only two things you need to know are:

  1. Number of shares you own
  2. NAVPS price on that day

Let’s assume that at the end of 1 year, the NAVPS of your mutual fund is P2.50.

To calculate the profit, you simply have to get the difference between the current NAVPS and the NAVPS when you originally bought the shares.

Then multiply this with the number of shares you own and you’ll get the amount of your profit.


  • Current NAVPS = P2.50
  • Original NAVPS = P1.75
  • Difference in NAVPS prices = P2.50 – P1.75 = P0.75
  • Number of Shares you Own = 57,142 (from Step 1 above)
  • Profit = Difference in NAVPS price x Number of Shares you Own
  • So your Total Profit = P0.75 x 57,142 = P42,856.50

Alternatively, you can simply compare the current total fund value and the initial fund value:

  • Beginning fund value = 57,142 shares x P1.75 NAVPS = P99,998.50
  • Current fund value = 57,142 shares x P2.50 NAVPS = P142,855.00
  • Difference in fund values = Profit
  • So your Total Profit =P142,855.00 – P99,998.50 = P42,856.50

One major point to remember, though. This profit is still “paper profit” or “unrealized income.”

That’s because you have not redeemed the shares yet. Any day afterwards, the NAVPS will still change which means your fund value (and profit) will also change.

We’ll show this in the next example.

Step 3: Calculate actual profit at time of redemption

Let’s assume it’s now the 2nd year and you wanted to encash and redeem your shares.

Before we proceed, you need to know that the fund value and your profits at the end of Year 1 are now irrelevant. Yup, they are not important anymore at this point. Whatever “profit” you have previously gained was not “realized” since you did not redeem the shares.

Assume that at the end of Year 2, the NAVPS price is P2.00. As in Step 2, we can compute the profit by comparing the current and original NAVPS:

  • Current NAVPS = P2.00
  • Original NAVPS = P1.75
  • Difference in NAVPS prices = P2.00 – P1.75 = P0.25
  • Number of Shares Owned = 57,142
  • Profit = P0.25 x 57,142 = P14,285.50

At the end of Year 2, your mutual fund investment earned profits of P14,285.50.

If you redeemed all 57,142 shares, you will get P14,285.50 cash as profit.

The total money you would get from the mutual fund is this profit plus the original investment (P14,285.50 + P99,998.50), which totals P114,284.00.

This total cash proceeds can also be computed this way:

  • Current NAVPS = P2.00
  • Number of Shares Owned = 57,142
  • Total Fund Value = P2.00 x 57,142 = P114,284.00

Again, be reminded that this computation does not consider any fees charged by the fund. Your fund value may be reduced by those fees.

We hope this gives you an idea how to compute your mutual fund income.

Happy investing!

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48 thoughts on “How to compute your income in Mutual Funds”

  1. lynlyn says:

    does the shares can anytime to liquidate it?
    thanks. can some one help me for this. cause it makes me confuse regarding the example.
    parang ang dapat eh, once you sold na ung share mo at high value iwithdraw na bago pa bumaba ung cost per share. then buy ulit kapag mababa na ung value??

  2. Nharda says:

    is this computation also applicable sa VUL products? i hope may mag feedback regarding on this..

  3. mikantonio says:

    I think what I’d like to know is if my shares will gain/lose new shares depending on the fund performance or not. Or would I only have additional shares when I have subsequent investment? If it does not earn shares, there’s really no point in minding for the navps along the way, just when you think I’m ready to redeem, all I need to do is add more money to buy more share then hope that the company grows so navps also grows. Am I interpreting it right?

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