Banking business - foreign exchange quotation business rules

  Definition: The foreign exchange rate is the price between foreign exchange buying and selling announced by the bank through the listing.
 
  Purpose: Banks can adjust the foreign exchange rate in real time through the listed price to regulate the market, and achieve internal profits by buying low and selling high.
 
  Object: Foreign financial institutions ->Bank Head Office->Bank Branch->Customer
 
  Price Object: Head Office Price->Total Point Price->Customer Price
 
  Selling Price: Low to High (From Head Office Price to Customer Price)
  Buying Price: High to Low ( From the customer price to the head office price)
 
  follow the principles:
  1. The selling price of the head office and branches must be greater than the buying price
  2. The buying price of the customer price must be lower than the selling price of the head office

  Example:
             Buy and sell
 
  customer price 8(4) 11 (3)
 
  Total points price 8.5(5) 10.5 (2)
 
  Head office price 9(6) 10(1)
              External (sold to the head office institution, the initial price is 10)