快线慢线之低买选股指标公式

快线:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100,LINETHICK2,COLORRED;
慢线:=SMA(快线,3,1),COLORFFFF00;
BB:=IF(BArslAST(crOSS(慢线,快线))>=3 AND CROSS(快线,慢线) AND 慢线<30,20,0);
低买:IF(BB,-20,-40);