Right now Sav has the cheapest first year at $9.99, and Sav the cheapest renewal at $31.88. Over three years the lowest total at one registrar is $73.75 at Sav.
Why does .forex cost more after the first year?
Many registrars sell the first year below cost and recover it at renewal: at Sav, .forex renews at $31.88 after a $9.99 first year. Compare the renewal and 3-year columns before you buy.