Uniform Mortgage-Backed Security (UMBS)
Last updated 2026-08-01
Fannie Mae
Updated 2026-08-01
A common security issued by the GSEs that is eligible for trading in the To-be-Announced (TBA) market. The securities are backed by fixed-rate loans secured by single-family one-to-four unit properties and are identified by certain pool prefixes.
Fannie Mae Glossary of Terms
Fannie Mae · pp. 50–53
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