Volume of loans securitized in unpaid principal balance, average underwriting characteristics (FICO, debt-to-income, loan-to-value and loan size), and volume by insurance type (private mortgage insurance, FHA, VA or Rural Housing). For purchase loans, includes share attributable to first-time homebuyers. For refi, includes share of total securitizations. Quarterly data beginning 2021.

Volume of loans securitized in unpaid principal balance, average underwriting characteristics (FICO, debt-to-income, loan-to-value and loan size), and volume by insurance type (private mortgage insurance, FHA, VA or Rural Housing). For purchase loans, includes share attributable to first-time homebuyers. For refi, includes share of total securitizations. Quarterly data beginning 2018.