How to make a profit by buying up and buying down
1 hand =15kg
Calculation formula: profit and loss = (closing price-opening price) × 15× lots-handling fee.
Attachment: handling fee = (opening price+closing price) × 15× lots × 8 ‰
Example 1 Do more (buy more):
Opening price: 6600 yuan/kg, closing price: 6800 yuan/kg, 2 transactions.
Handling fee =(6800+6600)× 15×2 lot× 0.08% = 321.6 yuan.
Profit and loss =(6800-6700)× 15×2 hand -32 1.6 yuan =5678.4 yuan.
Example 2 Short (Buy):
Opening price: 6800 yuan/kg, closing price: 6700 yuan/kg, 2 transactions.
Handling fee =(6800+6700)× 15×2 lots× 0.08% = 324 yuan.
Profit and loss =(6800-6700)× 15×2 lots -324 yuan =2676 yuan.