US Mortgage Backed Securities Statistics

SIFMA Research tracks the current landscape for U.S. mortgage-backed securities, including issuance, trading, and outstanding data. We also break out issuance and outstanding into several subcategories across the MBS sector for both agency and non-agency securities. Trading volumes are reported in the number of trades and dollar amounts for both agency and nonagency MBS. Data is downloadable by daily (trading volumes only), monthly, quarterly and annual statistics including trend analysis.

YTD 2026 statistics (through August) include:

  • Issuance $1,432.5 billion, +19.9% Y/Y
  • Agency Trading $367.0 billion ADV, +6.4% Y/Y
  • Non-Agency Trading $1,829.4 million ADV, +7.1% Y/Y

Get notified when new data posts. Subscribe to our email alerts.

 

Related Resources

Details

More Content

  • Insights
    Sep 29, 2026

    SIFMA Digital Assets Conference Debrief

  • White Papers
    Sep 22, 2026

    US Treasury Central Clearing Pulse Survey

  • Insights
    Sep 21, 2026

    Digital Assets: Research Brief

    SIFMA Insights examines how cryptocurrencies, stablecoins, and tokenized assets are reshaping capital markets.

Get the latest trends, stats, and research on financial markets and securities.