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MID :  MA(CLOSE,20);

UPPER: MID + 2*STD(CLOSE,20);

LOWER: MID - 2*STD(CLOSE,20);

MID2 :=MA(CLOSE,60);

UPPER2: MID2 +1*2*STD(CLOSE,60),POINTDOT,LINETHICK3;

LOWER2: MID2 -1*2*STD(CLOSE,60),POINTDOT,LINETHICK3;

MID3 :=MA(CLOSE,180);

UPPER3: MID3 +1*2*STD(CLOSE,180),LINETHICK6;

LOWER3: MID3 -1*2*STD(CLOSE,180),LINETHICK6;