Which of the following is a 1 x 4 FRA? The FRA expires in one month, and the underlying Eurodollar expires in three months. The FRA expires in four months, and the underlying Eurodollar expires in one month. The FRA expires in one month, and the underlying Eurodollar expires in five months. The FRA expires in one month, and the underlying Eurodollar expires in four months.