VAR1:=IF(DATE>=1990601,0,1);
VAR2:=TROUGHBARS(3,15,1)<10;
VAR3:=PEAKBARS(3,15,1)<10;
VAR4:=IF(VAR2=1,50,0);
VAR5:=IF(VAR3=1,50,0);
底部:= IF(VAR4=50,50,0);
头部:= IF(VAR5=50,100,0);
a:if( 底部>ref(底部,1),50,0);
aa:if(头部>ref(头部,1),50,0);
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DRAWTEXT(a=50,100,'买' ),COLOR00ff00;
DRAWTEXT(aa=50,50,'卖'),COLORred;
