A2:=DYNAINFO(17)
boll:=MA(CLOSE,20);
UB:=BOLL+2STD(CLOSE,20);
LB:=BOLL-2STD(CLOSE,20);
BOLL =REF(BOLL,1) AND C =BOLL AND L =BOLL AND C O AND A1 AND A2;

A2:=DYNAINFO(17)
boll:=MA(CLOSE,20);
UB:=BOLL+2STD(CLOSE,20);
LB:=BOLL-2STD(CLOSE,20);
BOLL =REF(BOLL,1) AND C =BOLL AND L =BOLL AND C O AND A1 AND A2;

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