Supersized Mortgages Are Making the Agency MBS Market Riskier

Bloomberg, Dec. 9, 2021–Adam Tempkin
The loans that are bundled into government-backed mortgage bonds are getting supersized as homes grow more expensive, a change that could weigh on the performance of the securities next year.
https://www.bloomberg.com/news/articles/2021-12-09/structured-weekly-agency-mbs-get-riskier-as-loan-sizes-swell