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 can be crucial to check P&L statements from distinctive accounting intervals, as any modifications over time turn into much more meaningful compared to figures by themselves. On ne alter rien à ce qui est en coach de se passer, mais on modifie seulement son sens. En PNL, on https://philipu741jot4.wikicorrespondence.com/user