Discount to NAV - The amount by which the net asset value (NAV) exceeds the share price, calculated as the share price divided by the net asset value and expressed as a percentage. Read our guide to discounts The share price of an investment trust can differ from the net asset value (NAV). If the current share price is below the NAV, the investment trust is said to be trading at a discount. When a discount gets bigger, it is said to "widen". When the discount has "narrowed", it has got smaller. Discount to NAV