出现红柱拉长关注之后变绿买入参考，注意仓位控制。
使用时请结合其他技术指标、成交量、大盘走势等多因素进行综合判断。
VAR1:=REF((LOW+OPEN+CLOSE+HIGH)/4,1);
VAR2:=SMA(ABS(LOW-VAR1),13,1)/SMA(MAX(LOW-VAR1,0),10,1);
VAR3:=EMA(VAR2,10);
VAR4:=LLV(LOW,33);
VAR5:=EMA(IF(LOW<=VAR4,VAR3,0),3);
VAR6:0;
主力进场:IF(VAR5>REF(VAR5,1),VAR5,0),colorred,NODRAW;
STICKLINE(VAR5>REF(VAR5,1),0,VAR5,3,0 ),colorred;
洗盘:IF(VAR5<REF(VAR5,1),VAR5,0),colorgreen,NODRAW;
STICKLINE(VAR5<REF(VAR5,1),0,VAR5,3,0),colorgreen;
