The transaction price of closed-end funds is the known market price at the time of buying and selling, and its price is affected by the relationship between supply and demand; The subscription of open-end funds adopts the unknown price method, that is, the transaction price of the fund unit is the net asset value of the unit fund that is not known at the time of the behavior (but it can be calculated after the market closes on the same day and announced on the next trading day). The calculation method of subscription fund unit quantity share is as follows: subscription share = (subscription amount-subscription fee) ÷ T day fund unit net subscription fee = subscription amount × subscription rate If an investor subscribes for this fund with an investment of 80,000 yuan, assuming that the fund unit net value on that day is 1. 1.688 yuan, the share obtained is: subscription fee = 80. 000× 2.0% = 1, and the subscription share of 600 yuan = (80000-1.600) ÷1.1688 = 67077.34.