AA:EMA(EMA(CLOSE,8)-EMA(CLOSE,13),3);
BBAA-REF(AA,1))*10;
CC:IF(BB>REF(BB,1),BB,REF(BB,1));
DRAWTEXT(CROSS(BB,0),BB*1.3,'买入'),COLORGREEN;
DRAWTEXT(CROSS(0,BB),BB,'撤离'),COLORYELLOW;
DRAWTEXT(CC=BB AND REF(CC,1)>REF(BB,1) AND BB<0,BB*1.3,'准备'),COLORMAGENTA;
DRAWTEXT(CC=BB AND REF(CC,1)>REF(BB,1) AND BB>0,BB*1.4,'加仓'),COLORMAGENTA;
DRAWTEXT(BB<CC AND REF(CC,1)=REF(BB,1) AND BB>0,BB*1.3,'卖出'),COLORRED;