THE FACT ABOUT PNL THAT NO ONE IS SUGGESTING

Depreciation = value at the start with the yr (opening balance) + buys from the calendar year − benefit at the end of the calendar year (closing balance)“盈亏修正”主要指的是交易成本，通常在投机交易中占比较小。盈亏修正的计算实际上非常复杂，不同的交易所可能有不同的规则格式来规范交易