本指标不含未来函数，当BD线开始往上反转的时候，可以考虑买入，放心使用。
P1:=0;
P2:= IF (CLOSE>MA(CLOSE,5),P1+10,P1-10);
P3:= IF (CLOSE>MA(CLOSE,10),P2+10,P2-10);
P4:= IF (CLOSE>MA(CLOSE,10),P3+10,P3-10);
P5:= IF (MA(CLOSE,5)>MA(CLOSE,10),P4+10,P4-10);
P6:= IF (MA(CLOSE,10)>MA(CLOSE,20),P5+10,P5-10);
BD:P6;
STICKLINE(BD>=-50,-50,BD,3,0),colorgreen;
STICKLINE(BD>=-30,-30,BD,3,0),COLORFFFF00;
STICKLINE(BD>=0,0,BD,3,0),coloryellow;
{STICKLINE(BD<=50 AND BD>=30,30,BD,3,0),colorred;}
STICKLINE(BD<=50 OR BD>=30,30,BD,3,0),colorred;
