看图操作，对波段的顶点、低点等有指导意义。

上1:SMA(C,20,1)+6.18*SMA(MAX(MAX(H-L,ABS(H-REF(C,1))),ABS(REF(C,1)-L)),17,1),colormagenta;

上2:SMA(C,20,1)+3.82*SMA(MAX(MAX(H-L,ABS(H-REF(C,1))),ABS(REF(C,1)-L)),17,1),colorgreen;

下1:SMA(C,20,1)-3.82*SMA(MAX(MAX(H-L,ABS(H-REF(C,1))),ABS(REF(C,1)-L)),17,1),coloryellow;

下2:SMA(C,20,1)-6.18*SMA(MAX(MAX(H-L,ABS(H-REF(C,1))),ABS(REF(C,1)-L)),17,1),colormagenta;

生命线:SMA(C,20,1),colorwhite;

DRAWKLINE(H,O,L,C),LINETHICK2;

MID :  MA(CLOSE,20);

U: MID + 2*STD(CLOSE,20);

L: MID - 2*STD(CLOSE,20);

人:MA(CLOSE,3);

天:MA(CLOSE,5);

地1:MA(CLOSE,13);

地2:MA(CLOSE,15);

长:MA(CLOSE,90);

年:MA(CLOSE,250);

VAR1:=HIGH<REF(LOW,1);

DRAWTEXT(VAR1=1,H*1.01,'←↓');

VAR2:=LOW>REF(HIGH,1);

DRAWTEXT(VAR2=1,L*0.99,'←↑');

ZDF:=(C-REF(C,1))/REF(C,1)*100 ;

STICKLINE(ZDF>9.8,O,C,8,0),colorred;

STICKLINE(ZDF<-9.8,O,C,8,0),colorblue;

STZDF:=(C-REF(C,1))/REF(C,1)*100  ;

STICKLINE(STZDF>4.8  AND  STRFIND(STKNAME,'S',1)>0,O,C,8,0),coloryellow;