LC:=REF(CLOSE,1);RSV:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;归位:SMA(MAX(CLOSE-LC,0),6,1)/SMA(A(CLOSE-LC),6,1)*100;A:SMA(RSV,5,1);B:SMA(A,5,1);80,colorred,colorred,LINETHICK2;50,colorwhite,LINETHICK2;20,colorgreen,LINETHICK2;