Mortgage Glossary
Float-Down
Defined by Onias Derilus, Mortgage Capital · NMLS# 1859012 · Florida licensed mortgage broker
A float-down is an option that lets a borrower capture a lower rate if market rates fall during an existing rate lock.
What Float-Down means
It provides downside protection on top of the lock, usually for a fee. If rates drop meaningfully before closing, the borrower can reset to the lower rate once.
Florida example
A Florida borrower locks at 6.875% with a float-down option. When rates dip to 6.5% before closing, they exercise the float-down and close at the lower rate instead of the locked one.
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