HH:=MID+2SQRT(SUM((CLOSE-MID)(CLOSE-MID),N)/N);
LL:=MID-2SQRT(SUM((CLOSE-MID)(CLOSE-MID),N)/N);
RSV:=(CLOSE-MID)/SQRT(SUM((CLOSE-MID)(CLOSE-MID),N)/N)100;
K:SMA(RSV,3,1),COLORWHITE;
D:SMA(K,3,1),COLORYELLOW;
J:3K-2D,COLORMAGENTA;