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US 30-Year Mortgage Rate Rises for Third Consecutive Week to 6.22%, Driven by Fed Holding Steady and Inflation Concerns

2026-03-21

Core Overview: US housing market borrowing costs are once again facing upward pressure. According to the latest data, as of 2026-03-19 (Q1 2026), the US 30-year fixed mortgage rate reached 6.22%, climbing 11 basis points compared to the previous value of 6.11% on 2026-03-12 (Q1 2026). This marks the third consecutive week of an upward trend, hitting a new high of over three months since the end of last year. Despite this, compared to 6.67% in the same period last year, the current rate still represents a decline of 45 basis points.

Key Details: In terms of detailed performance, not only have long-term borrowing costs risen, but the 15-year fixed mortgage rate also edged up slightly from 5.50% last week to 5.54%. On the other hand, observations by Freddie Mac point out that, benefiting from current rates remaining significantly lower than the levels seen in the same period last year, the market has seen improvements in home purchase applications and pending home sales. This indicates that buyers are gearing up for a more affordable spring homebuying season.

Deep Attribution: The recent rebound in mortgage rates is mainly driven by the macroeconomic environment and the upward push of bond market yields. Fox Business and PBS report that the geopolitical situation in the Middle East (such as the Iran conflict) has triggered a rise in oil prices, intensifying market concerns about reigniting inflation. This prompted the Federal Reserve (Fed) to decide to keep its benchmark interest rate unchanged at its March meeting and hint at potentially holding steady for an extended period. This move directly pushed up the 10-year US Treasury yield, which in turn drove mortgage rates higher.

Outlook and Risks: Looking ahead to the short term (1-2 months), it is currently the traditional peak spring homebuying season. Although mortgage rates have a year-over-year decrease advantage, buyers still face the challenges of limited existing home inventory and persistently high home prices. If inflation data continues to show stickiness, rates may remain volatile at high levels. In the medium term (3-6 months), as the market has significantly downwardly revised expectations for Fed rate cuts within the year, institutions such as the Mortgage Bankers Association (MBA) estimate that the 30-year mortgage rate will hover in the 6% to 6.5% range. Borrowers should pay attention to potential disruptions from geopolitics and oil prices on the inflation path, and compare different loan options in a timely manner to manage risks.

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