主力打压痕迹（副图指标）
VAR1:=WINNER(LOW); IF(DATE<1990501,VAR1,0); IF(DATE<1990501,CROSS(VAR1,0.06),0),VOLSTICK; IF(DATE<1990501,0.06,0); IF(DATE<1990501,0.25,0); IF(DATE<1990501,1,0);
