BN:=20;
C2:=MA(C,2),LINETHICK0;
MA10:=MA(C2,10),LINETHICK0;
MA20:=MA(C2,BN),LINETHICK0;
MA60:=MA(C2,60),LINETHICK0;
BOLL:=MA20;
UPPER:=BOLL+1.618*STD(C2,BN),COLORGREEN,LINETHICK0;
LOWER:=BOLL-1.618*STD(C2,BN),COLORGREEN,LINETHICK0;
CROSS(C2,LOWER);