准确买卖

VAR1:=IF(DATE>=1990601,0,1);{准确买卖}

VAR2:=TROUGHBARS(3,15,1)<10;

VAR3:=PEAKBARS(3,15,1)<10;

VAR4:=IF(VAR2=1,50,0);

VAR5:=IF(VAR3=1,50,0);

买:= IF(VAR4=50,50,0);

卖:= IF(VAR5=50,100,0);

A:IF( 买>REF(买,1),50,0);

B:IF(卖>REF(卖,1),50,0);

DRAWTEXT(A=50,50,'+' ),COLOR00FF00;

DRAWTEXT(B=50,50,'-'),COLORRED;