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How to compute your earnings in Mutual Funds

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

Step 1: Determine how many shares you own

Calculating income from Mutual Fund investments

When you invest in mutual funds, you are actually buying “shares” of the mutual fund company. (See Introduction to Mutual Funds) The price you pay is the NAVPS or the Net Asset Value per Share, a figure that changes every day since it represents the market values of the investment assets the mutual fund company owns.

Let’s assume you want to invest P100,000. When you checked with the mutual fund, the NAVPS price is P1.75. The number of shares you will then get is:

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

Your total fund value that day is:

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

Since you paid P100,000 but the amount of the shares you bought is only P99,998.50, the company would actually return P1.50 to you.

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). We’ll defer computations including fees in a succeeding article.

Step 2: Determine the current NAVPS

At any day, you can compute the value of your mutual fund investment. The only two things relevant to you 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. Your profit is simply the difference between the current NAVPS and the NAVPS when you bought your shares. 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 Owned = 57,142
  • Profit = P0.75 x 57,142 = P42,856.50

This same amount can also be computed by comparing the current total fund value and 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 = 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 you wanted to encash and redeem your shares at the end of the 2nd year. Before we proceed, you need to know that the fund value and NAVPS price at the end of Year 1 are now irrelevant. Whatever “profit” you gained before 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 total investment earned P14,285.50. If you redeemed all 57,142 shares, you can now actually earn and 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 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 will be reduced by those fees.

In any case, we hope this gives you an idea how to compute your mutual fund income.

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About this post: pinoymoneytalk mutual funds, how to compute mutual funds, mutual fund computation, how to earn in mutual funds, navps
  • lynlyn

    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??

  • Nharda

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

  • mikantonio

    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?