Intermountain Mortgage offers several adjustable rate mortgages, including the 3, 5, 7 and Interest Only Options. An ARM that reacts quickly to the market will allow the borrower to benefit from falling interest rates. An ARM that lags behind the market will allow the borrower to take advantage of lower rates when rates being to increase. As a borrower it is important to watch the market and speak with your mortgage consultant to decide which type of ARM will best fit your home loan needs.