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Reverse Mortgage Expected Rate is Key to the Principal Limit

Michael G. Branson, CEO of All Reverse Mortgage
CEO · 45 yrs in mortgage banking
Cliff Auerswald, President of All Reverse Mortgage
President · All Reverse Mortgage Inc.
5 min read Fact Checked HUD-Lender #26031-0007 8 comments

Many homeowners understand that when they qualify for a reverse mortgage, they’re eligible for a loan amount that’s a percentage of their home’s value or the HUD Lending limit, whichever is lower.  This amount, commonly known as the ‘Principal Limit,’ is a key factor in reverse mortgages.

Yet, the ‘Expected Rate’ is a lesser-known aspect that significantly impacts the available funds from a reverse mortgage.  Understanding how this rate influences the loan proceeds is crucial for consumers considering a reverse mortgage.



Reverse Mortgage Expected Rate – The Key to the Principle Limit

Reverse Mortgage Expected Rate: Impact and Importance

The ‘expected rate’ in a reverse mortgage plays a pivotal role, though it’s often misunderstood.  It’s important to understand that this rate is not the one at which interest starts accruing on your loan.  Moreover, it’s not a forecast of rate changes or a constant rate throughout the loan’s life.

HUD uses the expected rate in its calculations, deriving it from a different, usually higher, index than the one used for calculating the loan’s interest accrual at the time of application.

Specifically, the expected rate is based on a 10-year index, contrasting with the lower 1-month or 1-year index used for adjustable-rate reverse mortgages.  For fixed-rate loans, the expected rate is simply the Note Rate, remaining constant over time.

So, why is this important? The expected rate directly influences the loan proceeds you receive.  With current interest rates at or above the HUD floor rate, the expected rate becomes a decisive factor in determining the amount of money borrowers can access through the program. Understanding this rate is key to fully grasping the financial implications of a reverse mortgage.


What is the HUD Floor Rate?

The HUD floor rate is currently set at 3%.  This rate acts as a benchmark: if the expected interest rate for a reverse mortgage is at or below this 3% floor, borrowers qualify for the maximum loan amount permitted by the program’s guidelines.

However, the situation changes when the expected interest rate rises above 3%.  In such cases, the amount of money a borrower is eligible to receive starts to decrease.  In today’s market, all fixed-rate reverse mortgages have interest rates above 3%, resulting in lower loan amounts for borrowers.

Conversely, until recently, adjustable-rate options often had interest rates at or below the 3% mark, allowing borrowers to access the maximum funds based on their age and property value or the HECM lending limit, whichever is lower.

As interest rates climb, borrowers will notice a corresponding decrease in the loan proceeds they can receive.  This trend continues unless the expected rate is locked in for 120 days from the application date once the lender receives a Case Number assignment from HUD.


Weekly Fluctuations of the Expected Rate: A Time-Sensitive Matter

In a market where interest rates are on the rise, the weekly changes in the expected rate become critically important.  This is because securing your application quickly allows you to lock in your loan proceeds at the current expected rate.  It’s important to note that while this lock does not fix your interest rates or closing costs, it does secure the amount of loan you can access based on the current expected rate.

In a climate of increasing rates, particularly when they exceed the HUD floor, any rise in rates can reduce the loan amount available.  This often results in borrowers being surprised or disappointed when they discover they are eligible for less than they initially anticipated or require due to rate increases.

If you’re considering using the rate lock but anticipate potential delays (like appraisal setbacks, mandatory repair works, or additional requirements from HUD), it’s wise not to wait until the last minute.  Delays can often be beyond your control, and you wouldn’t want to risk losing your rate lock benefits.

Predicting the ‘perfect’ time to secure a loan is always challenging.  While property values are currently rising, so are interest rates.  It’s essential to remember that acting now could still be beneficial.

For instance, if you secure a loan now but don’t utilize the entire amount immediately, the unused funds in a line of credit can potentially grow over time.  This can be more advantageous than the diminishing loan amounts you might face as interest rates climb.


Expected Rate FAQs

Q.

What is the expected rate in reverse mortgages?

The expected rate in a reverse mortgage is the rate that factors into the loan-to-value (LTV) calculation along with the age(s) of the borrower(s) and/or youngest spouse.  The expected rate is not the rate at which the loan accrues interest and is used solely for the initial loan calculations.

Q.

How does the expected rate determine my loan amount?

The expected rate determines your loan amount, as that is how HUD has set up the product. HUD has an extensive Principal Limit Factors table for all expected rates and ages.  The higher the expected rate goes, the lower the loan-to-value (LTV) will be.

Q.

Is the expected rate what the lender expects rates to be in the future?

No, the expected rate is not what the lender expects rates to be in the future.  For an adjustable-rate loan, the expected rate is the 10-year index plus the margin, and for a fixed-rate loan, the expected rate is the interest rate.

Q.

What happens if the expected rate is lower at the time my loan locks?

If the expected rate is lower at the time your loan locks, you will benefit from the improvement in the rate.  If the improvement in the rate causes your loan to move down on the Principal Limit Table, you will receive a higher loan to value.

Q.

What happens if the expected rate is higher at the time my loan locks?

If the expected rate is higher at the time your loan locks, one of two things will happen.  If you are still in your expected rate lock window from the time of your initial application (120 days) you get the better rate from your initial application.  If you are outside your expected rate lock window, then you will be subject to the higher rate.



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Michael G. Branson CEO, All Reverse Mortgage, Inc. and moderator of ARLO™ has 45 years of experience in the mortgage banking industry. He has devoted the past 20 years to reverse mortgages exclusively.

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8 Comments on this Article
  1.   Will
    October 28th, 2025
    As I understand it, HUD switched the HECM program to be based on the SOFR index instead of LIBOR. When calculating the “expected rate,” are they now using a 10-year SOFR index? Also, where can we find a time graph of the 10-year SOFR index to see how it has fluctuated over time?
    Reply to Will
    • Michael Branson Michael Branson
      October 29th, 2025
      Hello Will,
      HUD announced that due to manipulation concerns surrounding the LIBOR index, it could no longer be used after 2021. In response, they issued Mortgagee Letter 2021-08, which provided guidance allowing lenders to use either the SOFR or the Constant Maturity Treasury (CMT) index.
      As of now, the SOFR index has not been adopted for the HECM reverse mortgage program. All new reverse mortgages continue to be originated using the CMT index.
      From a lender's perspective, there currently aren't any investors purchasing HECM loans based on the SOFR index. The reverse mortgage market is already a small segment compared to traditional ("forward”) mortgages. With limited investor participation, securitizing SOFR-based HECMs would be difficult, which makes the product less attractive to both lenders and investors.
      Until HUD issues a mandate requiring all lenders to transition to SOFR - similar to what happened when LIBOR was phased out - it's unlikely we'll see a widespread shift. For now, the CMT index remains the standard used to determine the expected rate for HECM loans.
      Reply to Michael
  2.   John
    February 21st, 2023
    Will ARLO LOCK THE MARGIN ARLO QUOTED AT THE START OF APPLICATION?
    Reply to John
    • Michael Branson Michael Branson
      February 24th, 2023
      Margins are not locked and while it is rare that a margin would change after the process started, if there was a catastrophic change in the marketplace or the processing of the loan were to take extraordinarily long (i.e. due to title or property issues, waiting for the borrower to turn 62, etc.) and the margin was no longer available due to changes in interest rates or secondary markets for mortgages and mortgage backed securities, there is the chance that the margin could be affected by the time the loan was ready to close.
      Our borrowers always have the right to cancel with no cancellation charges though, so it is also to our benefit to close the loan whenever possible at the original terms as well. But at times of extreme market volatility, that is not always possible. Luckily though, that does not happen often, and this is why we strive to close our customers' loans as soon as possible in accordance with the borrowers' wishes.
      Reply to Michael
  3.   Kevin
    August 7th, 2019
    Why is the ten year libor used to create the estimated interest rate?
    Reply to Kevin
    • Michael Branson Michael Branson
      August 7th, 2019
      HUD uses a longer-term rate that is not as volatile for the expected rate because that's more what you might expect the rates to do over the life of the loan.
      The rate is only used for two purposes: to determine how much money you can borrow and to run calculations.
      Since the rates are subject to change, no one can say what the rates will do in the future so if you use a higher, longer term rate for comparison, borrowers are not using a short term 1 year rate that might be misleading and under calculating interest accrual after just the first 12 months of the life of the loan.
      You must remember though; all the amortizations are just estimating since rates do fluctuate. Borrowers who received the adjustable rates over the last 10 years have done extremely well. Will this always be the case? No one can make that promise because no one can control the interest rate market.
      That is why you want to look closely at things like your margin and your life cap. The margin is added to the index to determine the final rate at which you accrue interest.
      A high margin means your rate will always be higher and you will always accrue more interest. You need to carefully consider your need to limit fees with the interest that it will cost you in the long run.
      Reply to Michael
      •   Mitch H.
        October 10th, 2021
        At this time interest rates are very low, so getting a adj. rate would not be smart, right?
        Does a fixed rate stay the same when you sign the agreement?
        Why would I need MIP when I have no mortgage on my house?
        Reply to Mitch
        • Michael Branson Michael Branson
          October 17th, 2021
          Hello Mitch,
          There are advantages and drawbacks to both the fixed and the adjustable programs. The fixed rate will never change. The rate cannot increase in the future but the fixed rate offers only one draw option, a full draw of all funds available. The adjustable programs offer borrowers the option to take any amount they wish including monthly payments, additional draws as they wish as long as additional funds are available, or a combination of lump sums and monthly payments.
          Also, HUD limits the amount you can receive in the first year if you are not using the funds to pay off an existing mortgage or to purchase a new home to 60% of the Principal Limit or available loan funds. If you do not have a loan on your house now, that means you would need to take all of the available funds at closing on a fixed rate and you would lose 40% of the available funds. For example. If you have no loan on your home and you are eligible for a reverse mortgage in the amount of $100,000, you can take up to $60,000 of this amount at closing or in the first 12 months (which includes the cost of the loan). With the fixed rate loan, you must take all the funds at closing and then no additional funds are ever available on the loan in the future.
          On the adjustable line of credit, you can take any amount you choose up to $60,000 (including the costs to get the loan) at closing or any time in the first 12 months and then after 12 months, you would have another $40,000 available to you. The fixed rate would be fixed for the life of the loan while the adjustable-rate loan can fluctuate at interest rates rise and fall. The adjustable-rate line of credit has a growth feature that means that the amount available to you grows at the same rate as the interest that accrues plus the MIP of .5%. So, if you only take $25,000 at the close and your rate is 2.5% plus the .5% MIP, your remaining $75,000 line of credit will grow by $2,250 making it roughly $77,250 at the end of the year. It is important to note that this is not interest you are earning, it is an increase in the funds available to you.
          The mortgage insurance is a charge by HUD for the insurance they provide on the loan. HUD/FHA insures the loan against loss to the lender, the investors and the borrower and heirs so that there is never a loss. The loan is a non-recourse loan as a result and the mortgage insurance is what allows HUD to offer the program. HUD has still seen some major losses on this program in the past despite collecting mortgage insurance premiums due to fluctuations in property values but even so, borrowers and their heirs can simply walk away after the loan is done if the loan balance is higher than the property is valued or they can sell the home and keep the proceeds or heirs can pay the loan off at 95% of the current value if the home is valued less than the amount owed.
          Reply to Michael

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Reverse Mortgage Expected Rate is Key to the Principal Limit
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