Enhancements to Freddie Mac's Mortgage Rate Survey Methodology

This Research Note details the enhancements made to Freddie Mac's Primary Mortgage Market Survey (PMMS) methodology, launched on November 17, 2022. It discusses the transition from traditional survey methods to leveraging loan application data for improved accuracy and reliability in mortgage rate reporting. The note also outlines the implications of these changes for users and the historical context of the PMMS.