A float-down is a feature that can let a borrower improve a locked mortgage rate if market pricing moves favorably.
Float down is a mortgage pricing feature that may let a borrower improve the terms of an existing rate lock if market pricing moves favorably before closing.
Float-down matters because borrowers often feel trapped when they lock and then see rates improve before closing. A float-down feature can reduce that frustration, but only if the lender offers it and the exact rules are understood.
It also matters because many borrowers misunderstand the term as a general right. Float-down is not automatic. It is a specific feature governed by lender policy, timing rules, and sometimes extra cost.
Borrowers encounter float-down after a Rate Lock is already in place. It becomes relevant only if market conditions improve before the mortgage closes.
The feature is most important late in the pre-closing period, when the borrower wants to know whether the locked terms are final or whether limited improvement is still possible.
A borrower locks a mortgage rate, then sees market pricing improve before closing. If the lender’s lock terms include a float-down option and the borrower satisfies its rules, the final rate or point structure may improve from the original lock.
Float-down differs from Rate Lock because it is not the initial commitment itself. It is a possible adjustment feature attached to some locks.
It also differs from Lock Period. Lock period tells you how long the locked pricing lasts. Float-down tells you whether pricing can improve during that period.