what is net asset value 
net asset value nav is the value of an investment fund that is determined by subtracting its liabilities from its assets the fund s per share nav is then obtained by dividing nav by the number of shares outstanding most commonly used with a mutual fund or unit investment trusts per share nav is the price at which the shares of the funds registered with the u s securities and exchange commission sec trade nav can change on a daily basis therefore per share nav can as well 