通达信做多做空公式

JJ :=(C*2+H+L)/4;
 SK := EMA(JJ,13) - EMA(JJ,21);
 SD := EMA(SK,3);
 SP := EMA(SK,10);
长线1:IF(SD>=SP,SD,SP),LINETHICK1,COLORFF00FF;
长线2:IF(SP-SD,SP,SD),LINETHICK1,COLORBLUE;
 IF(长线1>长线2,长线1,0)*0.35,NODRAW;
 A1:=EMA(CLOSE,7)-EMA(CLOSE,21);
 B1:=EMA((0.668*REF(A1,1)+0.333*A1),1);
做多:IF(A1>=B1,A1,B1),LINETHICK1,COLORRED;
做空:IF(B1-A1,B1,A1),LINETHICK1,COLORGREEN;
 DRAWICON(CROSS((3*做多-2*长线2),做多) AND CROSS(做多,长线2),长线2*0.90,1);
 DRAWTEXT(做多=做空,做多,'↓'),COLORGREEN;
 DRAWTEXT(做多>做空,做空,'↑'),COLORRED;