吸拉派落指标

M1 := EMA( CLOSE, 9 );
M2 := EMA( CLOSE, 18 );
MD :  M1 - M2, COLORWHITE, LINETHICK3;
MM := EMA( MD, 3 );
吸 : IF( MD >= MM AND MD <  0, MD, DRAWNULL ), COLORLIRED, LINETHICK3;
拉 : IF( MD >= MM AND MD >= 0, MD, DRAWNULL ), COLORRED,   LINETHICK3;
派 : IF( MD <  MM AND MD >= 0, MD, DRAWNULL ), COLORGREEN, LINETHICK3;
落 : IF( MD <  MM AND MD <  0, MD, DRAWNULL ), COLORWHITE, LINETHICK3;