{波浪原理+布林主图抓牛启动}
N:=20;
BOLL:MA(CLOSE,N);
UB:BOLL+2*STD(CLOSE,N);
LB:BOLL-2*STD(CLOSE,N);
MID:=(UB+LB)/2;
WAVE1:=REF(HHV(HIGH,5),1);
WAVE2:=REF(LLV(LOW,5),1);
WAVE3:=IF(C>REF(C,1) AND C>WAVE1,1,IF(C<REF(C,1) AND C<WAVE2,-1,0));
WAVE4:=SUM(WAVE3,5);
START:IF(WAVE4>=3 AND CROSS(C,UB),1,0);
DRAWICON(START,L*0.98,1);
DRAWTEXT(START,L*0.95,'启动'),COLORYELLOW;
