Gold funds are bought at a rate of 0 and sold at 1.5% within 7 days. 7-30 days 0. 1%. It is free to hold it for more than 30 days. As you said, the situation should be to sell the earliest share of successful subscription first. Then charge according to the holding time of the sold shares. (The holding days are not calculated according to your purchase time, but according to the successful purchase time. )