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 vital to compare P&L statements from diverse accounting intervals, as any adjustments with time turn into much more significant compared to quantities on their own. "hitparade.ch - Discographie PNL". Hung Medien. Retrieved 26 September 2016. ^ a b c d e file g h i j k https://iodirectory.com/listings13167748/top-guidelines-of-pnl