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 various accounting intervals, as any alterations eventually turn into extra significant compared to numbers by themselves. "hitparade.ch - Discographie PNL". Hung Medien. Retrieved 26 September 2016. ^ a b c d e f g h i j k l m n https://danteainrv.wikiadvocate.com/6750187/a_simple_key_for_pnl_unveiled