VAR1:=MA(CLOSE,30);
海底: VAR1-2*STD(CLOSE,60),COLORCYAN,LINETHICK2;
水平面: MA(CLOSE,60),POINTDOT;
天际: VAR1+2*STD(CLOSE,60),;
 FLY1: MA(CLOSE,5),;
 FLY2: MA(CLOSE,10),;
 VAR2:=CROSS(MA(CLOSE,5),MA(CLOSE,30));
 DRAWICON(VAR2,LOW-LOW*0.01,1);
 DRAWTEXT(VAR2 AND CLOSE>MA(CLOSE,250),LOW-LOW*0.02,'←少量买 '),COLORYELLOW;
 DRAWTEXT(VAR2 AND CLOSE>=MA(CLOSE,60) AND CLOSE<=MA(CLOSE,250),LOW-LOW*0.02,'←半仓买'),COLORYELLOW;
 DRAWTEXT(VAR2 AND CLOSE 买线:=EMA(C,2);
卖线:=EMA(SLOPE(C,21)*20+C,42);
 BU:=CROSS(买线,卖线);
SEL:=CROSS(卖线,买线);
DRAWTEXT(BU,LOW*0.98,'B'),,,COLORRED;
 DRAWTEXT(SEL,HIGH*1.02,'S'),,,COLORGREEN;
 TY:=C;
 A1:=REF(TY,10)=HHV(TY,2*10+1); B1:=FILTER(A1,10); C1:=BACKSET(B1,10+1); HD:=FILTER(C1,10);
 A2:=RE