通达信公式-大阳线后缩量三角形回调

{三角形回调，黄金50%回调}
C1:=HHVBARS(OC,20),NODRAW;
C2:=HHVBARS(V,20),NODRAW;
C3: C1>2 AND C2=C1  AND REF(H,C1)=HHV(H,C1+1) AND REF(L,C1)=LLV(L,C1+1) AND REF(OC,C1)>4 AND REF(TW,C1)>40;