EXP1:=EXPMA(C,18);EXP2:=EXPMA(C,30);XG:REF(CROSS(EXP1,EXP2),5)&&BETWEEN(EXP1/REF(EXP1,5),0.99,1.01)&&BETWEEN(EXP2/REF(EXP2,5),0.99,1.01);