单向双向：某些产品的手续费只在开仓时收取，有些则在开仓和平仓时都收取； It is necessary to match P&L statements from distinct accounting durations, as any adjustments eventually grow to be more significant compared to the figures themselves. On ne transform rien à ce qui est en educate de se passer, mais on modifie seulement son sens. En PNL, on distingue trois https://dallasortxz.blog2news.com/34853725/the-pnl-diaries