A:=(3*C+L+O+H)/6;
B:(22*A+21*REF(A,1)+20*REF(A,2)+19*REF(A,3)+18*REF(A,4)+17*REF(A,5)+16*REF(A,6)
+15*REF(A,7)+14*REF(A,8)+13*REF(A,9)+12*REF(A,10)+11*REF(A,11)+10*REF(A,12)
+9*REF(A,13)+8*REF(A,14)+7*REF(A,15)+6*REF(A,16)+5*REF(A,17)+4*REF(A,18)+3*REF(A,19)+2*REF(A,20)+REF(A,22))/253,COLOR0000FF;
D:MA(B,10),COLOR00FF00;
DRAWTEXT(CROSS(B,D),D,'买多'),COLOR0000FF;
DRAWTEXT(CROSS(D,B),D,'卖空'),COLOR00FF00;