老牛分时买卖之买选股指标公式

	VAR1:=LLV(LOW,100); VAR2:=HHV(HIGH,250); 操盘线:=EMA((CLOSE-VAR1)/(VAR2-VAR1)*4,4); 绝底:=0.3; 买:crOSS(操盘线,绝底);