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Current ARM mortgage rates report for Aug. 21, 2026

While fixed-rate mortgages are far more popular than adjustable-rate mortgages, the latter are worth considering if you’ve got a little tolerance for uncertainty. That’s because an ARM may offer a low rate during its introductory period before adjustments kick in—making this loan type potentially attractive for folks planning to rent out or flip the property they’re buying, or who are planning to move before the introductory period comes to an end.

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