MKS should be slightly less than XFP since they are identical credits but XFP pays 6.125% and MKS pays 6.0% today XFP is $16.71 while MKS is $18. BTW Barlays has completely assumed Lehman's former role with respect to XFP
My mistake, I was looking at CFCpb which pays quarterly. I have been buying all three for yield for another TRUp I owned ( for 10 yrs)was called. It also yielded over 8 %.