LOWERA:=MIDA-2ART3;
boll:REF(MIDA,1);
UB:REF(UPPERA,1);
LB:REF(LOWERA,1);
XG1:=V/REF(V,1) =2 AND crOSS(C,BOLL);
XG2:=UB/H 1.005 AND C MA(C,5);
DRAWTEXT(XG1,L0.98,'买'),COLORRED;
DRAWTEXT(XG2,H*1.02,'卖'),COLORGREEN;