把MACD的DEA作为估算标准差的变量,以此做MACD布林主图,关注K线与上轨及M6与上轨的关系。 M6:(EMA(c,5)+EMA(c,6))/2; M12:=EMA(c,12); M26:EMA(c,26),COLORRED,LINETHICK2; DIF:=ema(M12-M26,9); SBL:M26+2*(26/12)*STD(DIF,26),COLORYELLOW,DOTLINE; XBL:M26-2*(26/12)*STD(DIF,26),COLORGREEN,DOTLINE;