Traditional Culture Encyclopedia - Traditional festivals - How to calculate ICBC's foreign exchange profit? What do buying price, selling price and trading interest rate mean?

How to calculate ICBC's foreign exchange profit? What do buying price, selling price and trading interest rate mean?

Calculation formula: ((closing price-market price) x quantity x contract amount)/closing price+/-interest = profit and loss cash purchase price, you exchange RMB cash for cash purchase price of Hong Kong dollars, you exchange RMB in bank account for selling price of Hong Kong dollars, and you exchange RMB for price of Hong Kong dollars. Regardless of the transaction interest rate of cash and cash, the interest rate is the appropriate level to reach a transaction.