N:=20;个股涨跌幅%:(C-REF(C,1))/REF(C,1)*100 NODRAW;大盘涨跌幅%:(INDEXC-REF(INDEXC,1))/REF(INDEXC,1)*100 NODRAW;个股净强度%:(个股涨跌幅%-大盘涨跌幅%) NODRAW COLORRED;大盘强度N日:EMA(大盘涨跌幅%,N) LINESTICK COLORMAGENTA;个股强度N日:EMA(个股涨跌幅%,N)COLORLIGREEN;