A handful of GSE-eligible mortgages in Goldman's deal have loan-to-value ratios greater than 80% and private mortgage insurance, which is uncommon for loans in non-agency MBS.
No other mortgage stocks came close but there were strong valuation gains from PennyMac Financial Services, up 60% for the year, and in the mortgage insurance sector.
The deduction for mortgage insurance premiums and a tax break on forgiven mortgage debt had expired at the end of 2017 while funding for the National Flood Insurance Program was set to elapse on Dec. 20.