--- title: What is an Interest Rate Cap and How Does it Work? description: With an interest rate cap, the borrower knows what the maximum rate is, and how much it might rise during any given period. image: https://www.realized1031.com/hubfs/social-suggested-images/Barry_Leads_1031_ebook_What_is_Cap_Rate.jpg --- [![Realized 1031 Exchange Marketplace](https://www.realized1031.com/hs-fs/hubfs/Images/Brand/Logo/Realized/Realized-Logo-Black.png?width=240&height=80&name=Realized-Logo-Black.png "Realized 1031 Logo") ](https://www.realized1031.com/) - [Wealth Management Gap](https://www.realized1031.com/the-wealth-management-gap) - [Our Process](https://www.realized1031.com/how-realized-works) - [Financial Advisors](https://www.realized1031.com/advisor) - [Resources](https://www.realized1031.com/resources) - [The Company](https://www.realized1031.com/about-us) - [Articles](https://www.realized1031.com/blog) [Register](https://www.realized1031.com/marketplace) [Log In](https://www.realized1031.com/login) - Better Business Bureau Rating: **A+** - [FINRA BrokerCheck](https://brokercheck.finra.org/firm/summary/22333) - [Call](tel:1-877-797-1031) **(877) 797-1031** # What is an Interest Rate Cap and How Does it Work? Posted Jun 21, 2023 ![Barry_Leads_1031_ebook_What_is_Cap_Rate](https://www.realized1031.com/hs-fs/hubfs/social-suggested-images/Barry_Leads_1031_ebook_What_is_Cap_Rate.jpg?width=640&height=427&name=Barry_Leads_1031_ebook_What_is_Cap_Rate.jpg) For investors, interest rates can make a significant difference in whether a specific project is attractive or not. As interest rates rise, the margin for profit may shrink, requiring the investor to approach with caution. In some cases, a variable or [adjustable interest rate](https://www.realized1031.com/blog/what-is-an-adjustable-rate-mortgage-and-how-does-it-work) can offer a tool to increase the deal’s feasibility. The reason for this boost is that the initial rate is lower than the investor can obtain for a long-term fixed-rate loan. For example, suppose that the interest rate on a 30-year fixed-rate loan is set at 6 percent, but the available starting rate for an adjustable loan is 4.5 percent. That difference in rate might bring a purchase within reach. For a $250,000 loan, the monthly payment would be $230 less with the adjustable loan than with the fixed rate. ### How is the cap implemented? Often, a variable interest rate loan will have limits to how much the rate can increase, both overall and within specific time parameters. The reason for these limits is to reduce the risk to the borrower that could result from a rate shock. With an interest rate cap, the borrower knows what the maximum rate is, and how much it might rise during any given period. For example, if you accept a variable rate mortgage loan for a home purchase, the rate may be fixed for a few years, and then subject to increase if rates are higher. The rate and fixed term are reflected in the loan’s title, such as a 5/1 ARM. That indicates that the starting rate will be fixed for five years, and then the rate can rise yearly. The initial rate increase would also be established in the loan agreement. For example, the increase might be held to one or two percent at the initial reset, and a similar yearly amount, with an overall lifetime cap of five percent. ### How does this cap help borrowers? If interest rates are rising, accepting an adjustable rate loan will typically allow the borrower to access lower payment rates at the beginning of the loan term, due to a starting rate that is below market. If rates continue to rise, the borrower will know what to expect at the end of the fixed term. The borrower can sell if necessary, or refinance the mortgage, particularly if rates drop during the fixed term portion of the loan. Since rates for [investment property loans](https://www.realized1031.com/blog/investment-property-vs.-primary-residence-interest-rates-what-is-the-difference) are typically higher than those for personal occupancy, investors may want to consider adjustable rate loans. ### Are interest rate caps good for lenders? [Adjustable rate loans](https://www.realized1031.com/glossary/adjustable-rate-mortgage-arm) are attractive to lenders because they protect the lender from having capital tied up in loans that are issued below the current market rate. For example, suppose your bank gives you a 30-year loan with an interest rate of 5 percent. After a few years, the current market rate is up to 7 percent, but the lender can’t change the amount you pay. Unless you voluntarily terminate the loan by refinancing (unlikely in a rising rate environment) or selling, the lender is losing access to a higher margin. If, instead, they give you a slightly lower starting rate, the financial institution can preserve its ability to increase the rate you pay as the market conditions change. This approach allows more stability for both parties to the loan. This material is for general information and educational purposes only. Information is based on data gathered from what we believe are reliable sources. It is not guaranteed as to accuracy, does not purport to be complete and is not intended to be used as a primary basis for investment decisions. It should also not be construed as advice meeting the particular investment needs of any investor. Realized does not provide tax or legal advice. This material is not a substitute for seeking the advice of a qualified professional for your individual situation. All real estate investments have the potential to lose value during the life of the investment. All financed real estate investments have the potential for foreclosure. Hypothetical examples shown are for illustrative purposes only. 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The reason for this boost is that the initial rate is lower than the investor can obtain for a long-term fixed-rate loan. For example, suppose that the interest rate on a 30-year fixed-rate loan is set at 6 percent, but the available starting rate for an adjustable loan is 4.5 percent. That difference in rate might bring a purchase within reach. For a $250,000 loan, the monthly payment would be $230 less with the adjustable loan than with the fixed rate. How is the cap implemented? Often, a variable interest rate loan will have limits to how much the rate can increase, both overall and within specific time parameters. The reason for these limits is to reduce the risk to the borrower that could result from a rate shock. With an interest rate cap, the borrower knows what the maximum rate is, and how much it might rise during any given period. For example, if you accept a variable rate mortgage loan for a home purchase, the rate may be fixed for a few years, and then subject to increase if rates are higher. The rate and fixed term are reflected in the loan’s title, such as a 5/1 ARM. That indicates that the starting rate will be fixed for five years, and then the rate can rise yearly. The initial rate increase would also be established in the loan agreement. For example, the increase might be held to one or two percent at the initial reset, and a similar yearly amount, with an overall lifetime cap of five percent. How does this cap help borrowers? If interest rates are rising, accepting an adjustable rate loan will typically allow the borrower to access lower payment rates at the beginning of the loan term, due to a starting rate that is below market. If rates continue to rise, the borrower will know what to expect at the end of the fixed term. The borrower can sell if necessary, or refinance the mortgage, particularly if rates drop during the fixed term portion of the loan. Since rates for investment property loans are typically higher than those for personal occupancy, investors may want to consider adjustable rate loans. Are interest rate caps good for lenders? Adjustable rate loans are attractive to lenders because they protect the lender from having capital tied up in loans that are issued below the current market rate. For example, suppose your bank gives you a 30-year loan with an interest rate of 5 percent. After a few years, the current market rate is up to 7 percent, but the lender can’t change the amount you pay. Unless you voluntarily terminate the loan by refinancing (unlikely in a rising rate environment) or selling, the lender is losing access to a higher margin. If, instead, they give you a slightly lower starting rate, the financial institution can preserve its ability to increase the rate you pay as the market conditions change. 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