Prepayment rates on non-agency jumbo MBS issued beginning in 2010 have been high as interest rates have declined significantly since then. However, industry analysts suggest that refinance activity is likely to be much lower for recently issued non-agency jumbo MBS as interest rates have stabilized at low levels, if not started to increase. “Stable mortgage rates are making refinancing less attractive to the newest mortgage borrowers, which should keep prepayment rates on loans originated over the last several months slower than those originated between 2010 and 2012,” said Grant Bailey, a managing director at Fitch Ratings. Only 12.6 percent of the original balance on the $237.84 million non-agency jumbo MBS issued...