EXP1:=EMA(CLOSE,17);
EXP2:=EMA(CLOSE,50);
T1:=(EXP1-EXP2)/EXP2<0.01;
T2:=LAST(EXP1>EXP2,5,1);
T3:=EXP1>EXP2;
T4:=CROSS(C,EXP1);
T1 && T2 && T3 && T4;