Mortgage rates in the United States have risen sharply in recent weeks, reaching their highest levels in nearly three years, prompting some homebuyers to consider adjustable-rate mortgages (ARMs) as an alternative to traditional fixed-rate loans. According to Freddie Mac, the average rate for a 30-year fixed mortgage climbed to 7.28 percent this week, up from 7.03 percent last week.

The increase follows a period of relative stability when rates had dipped below 6 percent at the end of February. However, geopolitical tensions, including recent military action by the United States and Israel against Iran, have contributed to rising energy costs and inflation concerns. These factors have pushed yields on the 10-year Treasury note—the benchmark for many consumer loans—to their highest level since 2002, which in turn has driven mortgage rates upward.

The rise in fixed mortgage rates has renewed interest in ARMs, which typically offer lower initial interest rates than fixed mortgages. ARMs often feature a "teaser" rate for an introductory period of five, seven, or ten years before adjusting to prevailing market rates on an annual basis. This structure can result in lower monthly payments initially but carries the risk of higher payments if interest rates continue to climb after the adjustment period.

The Mortgage Bankers Association reports a recent rise in ARM applications, which now account for about 10.3 percent of all mortgage requests—the highest share in a year. Experts note that the gap between fixed and adjustable rates creates an incentive for buyers to opt for ARMs. Currently, the average rate for a five-year ARM stands at about 6.56 percent, nearly a full percentage point lower than fixed mortgages.

While ARMs can offer immediate savings, they also introduce greater uncertainty due to their variable nature. Loan underwriting has become stricter compared to the early 2000s when ARMs were more common, helping mitigate risks. Nonetheless, financial advisors caution that borrowers must have a clear plan for managing potential rate increases once the introductory period ends, whether that involves refinancing or selling the property.

Data from Redfin indicates that nearly 72 percent of ARM borrowers can refinance into a fixed-rate loan within five years at a rate at least 0.5 percentage points lower than their original ARM. This possibility makes ARMs particularly attractive to those who anticipate short-term homeownership or expect rates to decline in the near future. However, refinancing is not guaranteed, and rising future payments remain a key concern.

Mortgage professionals emphasize that ARMs tend to suit buyers with higher risk tolerance, stable financial situations, and strategies such as a substantial down payment that can lower initial rates. For some, the potential savings on monthly payments outweigh the uncertainty, but experts urge careful consideration of long-term affordability before choosing an adjustable-rate product.