通达信波段顶底主图+副图指标 贴图 超准

波段顶底（指标 主图+副图 通达信 贴图），超准

TC1:=IF(H=HHV(H,48),H,DRAWNULL);
TC2:=CONST(BARSLAST(TC1=H))+1;
UPPER:=CONST(IF(TC2=1,H,REF(H,TC2-1)));
BC1:=IF(L=LLV(L,48),L,DRAWNULL);
BC2:=CONST(BARSLAST(BC1=L))+1;
LOWER:=CONST(IF(BC2=1,L,REF(L,BC2-1)));
LP:=CURRBARSCOUNT<=BC2 AND L=LOWER;{低点定位}
HP:=CURRBARSCOUNT<=TC2 AND H=UPPER;{高点定位}
DRAWTEXT(LP,L*0.993,'↖波段底'),COLORLIGREEN;{波段底文字提示}
DRAWTEXT(HP,C*1.01,'←波段顶'),COLORMAGENTA;{波段顶文字提示}
STICKLINE(IF(BC2>TC2,HP,LP),LOWER,UPPER,0,0),COLORMAGENTA;{波段顶底竖线条}
STICKLINE(IF(BC2>TC2,LP,HP),LOWER,UPPER,0,0),COLOR628962; {波段顶底竖线条};