N1:=50;
N2:=50;
N3:=50;
N4:=50;
大单买入:IF(CURRBARSCOUNT=1,V*N1/100,DRAWNULL),COLORRED;
大单卖出:IF(CURRBARSCOUNT=1,V*N2/100,DRAWNULL),COLORGREEN;
小单买:IF(CURRBARSCOUNT=1,V*N3/100,DRAWNULL),COLORMAGENTA;
小单卖:IF(CURRBARSCO