Initial Interest Rate
Fannie Mae
Updated 10-31-2026
Initial Interest Rate
The original interest rate of the mortgage when it is closed. This rate (which is often referred to as the "start rate") changes for adjustable-rate mortgages. Also referred to as the initial note rate.
Fannie Mae Glossary of Terms
Fannie Mae · p. 23
California Association of Realtors
Updated 10-31-2026
Initial Interest Rate
This refers to the original interest rate of the mortgage at the time of closing. This rate changes for an adjustable-rate mortgage (ARM). It's also known as "start rate" or "teaser."
California Association of Realtors Glossary
California Association of Realtors · p. 7
FTC
Updated 10-31-2026
Initial Interest Rate
The original inter-est rate for an adjustable-rate mortgage (ARM). Sometimes known as the "start rate."
FTC Real Estate Terms
FTC · p. 10
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