Treasury Index
Fannie Mae
Updated 10-31-2026
Treasury Index
An index that is used to determine interest rate changes for certain ARM plans. It is based on the results of auctions that the U.S. Treasury holds for its Treasury bills and securities or is derived from the U.S. Treasury's daily yield curve, which is based on the closing market bid yields and actively traded Treasury securities in the over-the-counter market.
Fannie Mae Glossary of Terms
Fannie Mae · p. 50
FTC
Updated 10-31-2026
Treasury Index
An index that is used to determine interest rate changes for certain adjustable-rate mortgage (ARM) plans. It is based on the results of auc-tions by the U.S. Treasury of Treasury bills and securities.
FTC Real Estate Terms
FTC · p. 17
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