Depreciation = benefit at the start on the year (opening stability) + buys inside the 12 months − value at the conclusion of the calendar year (closing equilibrium) The formulation for each income metric about the financial gain and decline assertion (P&L) is mentioned in the subsequent list: 今日持仓/昨日持仓：中国期货通常指定平今仓和平昨仓来收取不同的费用； Jason https://connervaejl.blogdanica.com/34175182/the-best-side-of-pnl