BRAND NAME(S): Cardura. USES: Doxazosin is used alone or with other drugs to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems.
DEFINITION of 'ARM Index'. The benchmark interest rate to which an adjustable rate mortgage is tied. An adjustable rate mortgage's interest rate consists of an index value plus a margin. The index underlying the adjustable rate mortgage is variable, while the margin is constant. There are several popular indexes used for different types of adjustable rate mortgages. This is also referred to as the fully indexed interest rate.
Adjustable Rate Mortgage (ARM) Index. Many lenders use this rate to reset the interest rate on some ARMs. This index was the only index rate that federally chartered savings and loan associations could use as an adjustable-rate mortgage index in the early 1980s. âMarch 28, 2017.