The market value of the fund is your fund share multiplied by the daily net value. Because the net value of the fund changes every day, it is different every day. The fund share is generated after you confirm the purchase of the fund (obtained by dividing the amount you purchased by the net value of the fund on the day you purchased it). It is fixed. Unless you choose to transfer dividends when you buy it, when the fund pays dividends, your dividends will become one and be added to your original share. Your share will change again.