股价在低位时准确率相当高，股价在高位，要谨慎。

RV:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;
RG:=(CLOSE-LLV(LOW,5))/(HHV(HIGH,5)-LLV(LOW,5))*100;
VAR44:=SMA(RV,3,1);
VAR55:=SMA(VAR44,3,1);
KK:=EMA(SMA(RG,3,1),2);
DD:=SMA(KK,3,1);
DRAWTEXT(CROSS(VAR44,VAR55) AND CROSS(KK,DD),80,'共振'),COLORRED;