If issuers were to include agency-eligible mortgages with slightly less than pristine underwriting standards in new non-agency mortgage-backed securities, the deals could receive ratings with credit enhancement levels similar to the levels on recent jumbo MBS, according to the results of an exercise released this week by the Treasury Department. Treasury asked six rating services to assign ratings to hypothetical non-agency MBS comprised of $19.75 billion of mortgages ...
JPMorgan Chase this week issued the largest jumbo mortgage-backed security seen since the market started to return in 2010. The $940.06 million deal was backed by adjustable-rate mortgages originated by First Republic Bank. Previously, the largest post-crash deal was a $666.13 million jumbo MBS from Redwood Trust in February 2013. Prior to the financial crisis, many non-agency MBS had balances that topped $1.0 billion, while most jumbo MBS ...