Portfolio_NumWinTrades
此功能仅能在信号中,并且搭配Portfolio Backtester使用。
在投资组合有5笔获利交易,则Portfolio_NumWinTrades 会返回5。
若投资组合没有已经完成的交易,则 Portfolio_NumWinTrades will return a value of 0 if no winning trades were completed during the entire trading period