==Thank you for your support! == We provide stock trading transaction fee calculation services, including brokerage commissions, exchange levies, CSRC levies, stamp duties, settlement fees, handling fees and storage fees. Users can get the profit amount through this program. At the same time, you can create a trading portfolio to manage profit information more conveniently. Including costs, average purchase price, holding costs, total handling fees, etc., the income within the portfolio is cle