:MA(CLOSE,20),COLOR888888;UPPER:BOLL+2*STD(CLOSE,20),COLOR888888;LOWER:BOLL-2*STD(CLOSE,20),COLOR888888;:IF(BOLL>REF(BOLL,1),BOLL,DRAWNULL),COLORRED;VAR1:=CLOSE>REF(CLOSE,1) AND CLOSE>REF(CLOSE,2);VAR2:=REF(VAR1,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);VAR3:=REF(VAR2,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);VAR4:=REF(VAR3,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);VAR5:=REF(VAR4,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);VAR6:=REF(VAR5,1) AND CLOSE