<t>I will try to be clear. For a Swaption(nY, mY) where n is the expiry of the option an m is the length(maturity ) of the underlying swap.I have 3 cases: Case1: n <=10 and m<=10. I think these swaption are liquid.Case2: n<=10 and m=(15, 20, 25, 30) I think they are not so liquid.Case 3: n >= 15 I t...