这不是公式代码，是一种操作策略和方法，以金山开发为例，讲述买进和卖出的时机。
 

差价之谜

DRAWGBK(C>O,RGB(10,0,0),RGB(30,0,0),1,2,1);
A1:(EMA(C,1)-CONST(REF((HHV(C,N)+LLV(C,N))/2,20)))/C*100,NODRAW;
M5:EMA(A1,5);
M10:EMA(M5,5);
0,DOTLINE,COLORGRAY;
DRAWTEXT(CROSS(A1,0) OR CROSS(M5,M10),M5,'关口'),COLORLIMAGENTA;
XG:=CROSS(A1,0);
行业指数:HY_INDEXC,NODRAW;
指数增减:行业指数-REF(行业指数,1),NODRAW;
A2:(EMA(C,1)-CONST(REF((HHV(C,N)+LLV(C,N))/1.98,20)))/C*100;
DRAWKLINE(A1+H-C,REF(A1,1)+(O-REF(C,1)),REF(A1,1)+(O-REF(C,1))+L-O,A1);
DRAWTEXT(A1>REF(A1,1)*1.02 AND M10>REF(M10,1) AND C>REF(C,1)*1.02 AND V/REF((V,5),1)>1.6,REF(A1,1),'强介入'),COLORYELLOW;
DRAWNUMBER(A1>REF(A1,1)*1.02 AND M10>REF(M10,1) AND C>REF(C,1)*1.02 AND V/REF((V,5),1)>1.6,REF(A1,1),REF(C,1)*1.02),COLORLIMAGENTA;
DRAWTEXT(LONGCROSS(A1,0,30),0,'启爆'),COLORRED;