X_1:=(CLOSE-REF(CLOSE,1))/CLOSE*100;
X_2:=CLOSE<OPEN AND X_1<(-2.4) AND X_1<REF(X_1,1);
X_3:=(HIGH+LOW+CLOSE)/3;
X_4:=(X_3-MA(X_3,14))/(15*AVEDEV(X_3,14)/1000)/10;
GG:=(VOL-REF(VOL,5))/REF(VOL,5);
XG:COUNT(X_4<REF(X_4,1) AND X_2,2)=2 AND GG<REF(GG,1) AND REF(GG,1)>REF(GG,2) AND X_4<20;
