I NEED AFL TO MQ5 CONVERT p1=Param("Period MA",1); C0=EMA(C,p1); O0=EMA(O,p1); a3=Ref(C0,-3); a2=Ref(C0,-2); a1=Ref(C0,-1); a0=C0; b1=Ref(O0,-1); b0=O0; y=IIf(a0 < a1 & a1< a2 & a2<a3,-1,IIf(a0>=b0 & a1>= b1,1,0)); ...