MSCI Agency MBS Model Version 2.1: Single-Family Social Index

Jun 1, 2023

In November 2022, Fannie Mae and Freddie Mac posted a one-time historical file to provide the Social Criteria Share (SCS) and the Social Density Score (SDS) for all active and inactive MBS pools issued since January 2010. This Model Insight document describes the Agency MBS Prepayment Model Version 2.1, (MSCI2.1) that includes the new social disclosure data.