通达信很精准的指标(源码)

SK: EMA((MAV-VAR1)/(VAR2-VAR1)*100,8),COLORWHITE;
SD: EMA(0.667*REF(SK,1)+0.333*SK,1),COLORCYAN;
SJ:=3*SK-2*SD;
50,POINTDOT,COLORRED;
70,POINTDOT,COLORRED;