{牛股回调何时介入}
N:=20;
M:=5;
REF_HIGH:=REF(HHV(H,N),1);
REF_LOW:=REF(LLV(L,N),1);
MA5:=MA(C,5);
MA10:=MA(C,10);
MA20:=MA(C,20);
COND1:=C>MA5 AND MA5>MA10 AND MA10>MA20;
COND2:=CROSS(MA5,MA10) OR CROSS(MA10,MA20);
COND3:=V>REF(V,1)*1.2;
COND4:=C>REF(C,1) AND C>O;
COND5:=C<REF_HIGH*0.95 AND C>REF_LOW*1.05;
BUY_SIGNAL:=COND1 AND COND2 AND COND3 AND COND4 AND COND5;
DRAWICON(BUY_SIGNAL,L,1);
