A SIMPLE KEY FOR PNL UNVEILED

Depreciation = benefit originally from the 12 months (opening harmony) + purchases inside the year − worth at the conclusion of the yr (closing harmony)The method for each financial gain metric on the earnings and loss assertion (P&L) is said 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