VAR1:=(2*CLOSE+HIGH+LOW)/4;
VAR2:=expma(EXPMA(EXPMA(VAR1,4),4),4);
J:(VAR2-REF(VAR2,1))/REF(VAR2,1)*100, COLORSTICK;
D:MA(J,3);
K:MA(J,1);
DRAWTEXT(crOSS(K,D),K,'买'),COLORRED;
DRAWTEXT(CROSS(D,K),D,'卖'),COLORGREEN;