N:=21;
M:=8;
VAR1:=3*SMA((CLOSE-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1)-2*SMA(SMA((CLOSE-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1),15,1);
VAR2:=(CLOSE-LLV(LOW,26))/(HHV(HIGH,26)-LLV(LOW,26))*100;
VAR3:=SMA(SMA(VAR2,3,1),3,1);
VAR4:=EMA(VAR3,5);
VAR5:=LLV(LOW,26);
VAR6:=HHV(HIGH,34);
VAR7:=EMA((CLOSE-VAR5)/(VAR6-VAR5)*4,4)*25;
VAR8:=(2*C+H+L)/4;
VAR9:=LLV(LOW,N);
VAR10:=HHV(HIGH,M);
VAR2W:=100-100*(HHV(HIGH,14)-CLOSE)/(HHV(HIGH,14)-LLV(LOW,14));
MW:= EMA(VAR2W,3);
VAR3W:=EMA(VAR2W,7);
M1:= EMA(VAR3W,5);
MB1:=CROSS(MW,M1) AND M1<20;
MG1:=IF(CROSS(M1,MW) AND REF(MW,1)>80,80 ,0) ;
波段:EMA((VAR8-VAR9)/(VAR10-VAR9)*100,9),COLORMAGENTA;
B1:EMA(0.667*REF(波段,1)+0.333*波段,2),COLOR00FF00;
顶:IF((BARSLAST(MG1>0)<2),80,100);
底:IF((MB1),20,0);
底预备: IF((VAR7<10),50,30);
顶预备: IF((VAR7>90),50,70);
STICKLINE((波段-B1)>0,波段,B1,3,0),COLORMAGENTA;
STICKLINE((波段-B1)<0,波段,B1,3,0),COLOR00FF00;
DRAWTEXT(CROSS(波段,20),18,'买入'),COLORRED;
DRAWTEXT(CROSS(80,波段),82,'卖出'),COLORGREEN;
