Locking vs. Floating Your Mortgage Rate

Posted on March 10th, 2021
Locking vs. Floating Your Mortgage Rate

To mortgage folk across the country, it’s an age-old question: “Lock or float?”

It’s a question loan officers and mortgage brokers get asked on a daily basis, often over and over again by panicked borrowers and first-time home buyers.

And it might just be the most important answer a homeowner will come up with during the loan process, as it will determine the mortgage rate they ultimately receive.

That interest rate you pick will dictate what you pay each month for potentially the next 30 years (assuming you don’t refinance), so it’s not a decision to be taken lightly!

How Locking vs. Floating a Mortgage Rate Works

lock or float

  • When you apply for a mortgage you’ll be given the option to lock or float your interest rate
  • If you choose to lock, the interest rate won’t change as long as you fund your loan before its expiration
  • If you decide to float, rates may go up or down until you finally lock it in
  • Your loan officer or broker may be able to advise you on which move to make

When you submit a home loan application, you will be asked if you want to lock in your mortgage rate or float the rate.

If you choose to lock the rate, you are guaranteeing yourself a certain interest rate on your mortgage.

So if the lender says you can lock in an interest rate of 3% on your 30-year fixed-rate mortgage today, and you’re happy with that, they can lock it in for you.

This ensures that your rate will not change, even if mortgage rates spike higher over the days and weeks after you lock.

At the same time, this means you won’t be able to take advantage of a lower mortgage rate, assuming they drop even lower as your loan closing date approaches.

Conversely, if you choose to float your rate, you’re essentially telling the lender that you don’t like where rates are at, and want to wait for better.

Or it could just be that your loan approval is still a month away, and you don’t want to lock prematurely and have to pay to extend your lock if it takes longer than anticipated to close.

Either way, your mortgage rate is subject to change until it is locked, so you’re taking a risk, whether calculated or not.

[Do mortgage rates change daily?]

Are You Feeling Lucky?

float mortgage rate

  • Floating a mortgage rate is inherently risky because no one knows what tomorrow holds
  • It can be a dangerous game to play if you can’t afford a higher interest rate
  • But you can potentially wind up with a lower mortgage rate if you do choose to wait
  • One tip is the more time you have until closing, the greater your chances of securing a lower rate

When deciding between locking and floating, you need to assess your situation. Every borrower has a unique story, and every day is different, so there is no hard and fast rule here.

Some borrowers may not be comfortable with “letting it ride,” while others may be market experts and have a good handle on the direction of mortgage rates.

Generally, what’s bad for the economy is good for mortgage rates, which explains why they are so darn low at the moment.

If you prefer to sleep at night and “like” where mortgage rates are right now, locking might suit you better than floating.

And if you think mortgage rates aren’t going to get any better, again, locking is probably the move.

Additionally, if you can’t risk taking on a higher mortgage rate (think a DTI ratio on the brink), locking your rate would be very smart to avoid any future hang-ups or a denied application.

On the other hand, if you think mortgage rates have room to fall, and you can stand to profit from it, you may choose to float your rate.

After all, mortgage rates have hit record low after record low in the past few years, and despite a recent pullback, could drop again.

So why not wait it out a little longer if you’ve got time?

Instead of locking in a rate of 3% on a 30-year fixed, you might be able to take advantage of all the uncertainty going on (due to the economy, COVID, etc.) and wait for your rate to fall back to 2.5%.

If that happens, you’ll save money each month in the form of a lower mortgage payment and a lot more over the life of the loan.

You may also receive a larger lender credit to use for costly closing costs.

A Mortgage Rate Float-Down Might Be an Option Too

mortgage float down

  • A float-down may also be an option with some banks and mortgage lenders
  • It allows you to lower your already locked-in interest rate for a small fee
  • The option goes into effect if rates fall significantly after you lock in your rate
  • At that time you may be given the option to re-lock at the lower rate despite previously locking your loan

Aside from floating and locking, you might also be given the option to “float down” your rate.  Be sure to ask your broker or loan officer about their float-down policy when inquiring about pricing.

A float-down is an option that becomes available once you lock your rate to take advantage of potential interest rate improvements after the fact.

For example, say mortgage rates fall dramatically after you lock. Go figure!

If they do, you could have the one-time option to float the rate down to current levels for a cost.

This allows you to take advantage of interest rate decreases if you want an even lower rate, despite already being locked in on an earlier date.

However, as noted, there is a cost to the float-down, and it could be quite significant. There’s also no guarantee rates will improve once you lock.

The cost of a float-down will range from bank to lender, and could run anywhere from .125% to .375% of the loan amount (or higher) to take advantage of current pricing.

So for higher loan amounts, say on a jumbo home loan, it could be a pricey option.

However, you should still come out ahead even when factoring in the upfront cost thanks to that lower interest rate.

Just make sure you stay in the home (or keep the mortgage) long enough to recoup the fee.

Other Lock/Float Considerations

  • Ask what your lender’s float down policy is before you lock
  • And think about how long you’ll stay with the property and mortgage
  • Their policy could act as a sort of hedge to your decision
  • Use that along with current market conditions to determine if it’s in your best interest to lock or float

Not all lenders have the same float down policy. In fact, some may not even offer one. Or it could be less attractive than others out there.

Some lenders may offer to split the difference with you if rates drop after locking.

So if rates are .25% lower than when you originally locked, they may lower your rate by .125% as a courtesy free of charge.

Others may renegotiate the lock (rate lock break) just to keep your business if rates have really plummeted, so it never hurts to try to haggle a bit if that happens.

Just keep in mind that lenders generally have restrictions on when you can execute a float-down, how low the rate can/must drop, and how long the lock can be extended if at all.

The float-down option can usually only be applied once and it must occur before the lock expires, often within a designated time period before the loan is set to close.

If purchasing a home or building one (new construction), you may be given an extended rate lock option with a built-in float-down option, sometimes referred to as “lock and shop.”

Some lenders are also offering free float-downs, as is the case with Quicken Loan’s RateShield Approval, which allows you to lock in your rate before finding a home.

Once you find your home, they’ll give you the lower rate automatically if rates improved since you locked. It’s their way of snagging your business ahead of time.

Regardless of what direction you choose, just be sure you understand the consequences of both locking and floating a mortgage rate.

Tip: Most lenders will probably err on the side of locking your rate because they won’t want to explain why mortgage rates moved higher if they happen to get worse while floating. But it’s ultimately your decision to make!

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