Reverse mortgage rates: how HECM rates work

Last updated · By the Clear Reverse editorial team · Educational content, not financial advice

Reverse mortgage rates are set by each lender, but federal rules fix how a HECM rate is built: a market index plus the lender's margin. A fixed rate comes only with a single lump sum at closing, while lines of credit and monthly payments use an adjustable rate with federal caps. A lower expected rate means you can borrow more.

Key takeaways
  • Reverse mortgage (HECM) rates are set by each lender, but federal rules fix how they're built: a market index plus the lender's margin.
  • A fixed rate comes only with a single lump sum at closing. Lines of credit and monthly payments use an adjustable rate with federal caps.
  • A lower expected rate means a bigger loan amount, so compare margins and fees from at least three lenders before you choose.

Want this on paper? Get our free guide by email. We email the guide only: no calls, and no lender will contact you.

Get your free guide

There's no single "reverse mortgage rate" posted anywhere. Each lender sets its own rates, and they change daily with the bond market. What federal rules do fix is how a Home Equity Conversion Mortgage (HECM) rate is built, how much it can move, and how it affects the amount you can borrow. This guide explains those rules, with today's index values, so you can compare lender quotes. New to the topic? Start with how a reverse mortgage works.

Curious about your own numbers? Rough range only, not a loan offer or pre-qualification. No sign-up, no credit check.

Try the estimate calculator

Are reverse mortgage rates fixed or adjustable?

OptionHow you get the moneyHow the rate worksSource
Fixed rateOne lump sum at closing only. You can't draw more later.Agreed with the lender and never changes.24 CFR 206.19(e), 206.21(a)
Annual adjustableLine of credit, monthly payments, or a mix.Adjusts once a year. Each change is capped at 2 percentage points, and the total change over the life of the loan is capped at 5 points from your starting rate.24 CFR 206.21(b)(1)
Monthly adjustableLine of credit, monthly payments, or a mix.Adjusts every month. There's no yearly cap, and the lifetime cap is 10 percentage points from your starting rate.24 CFR 206.21(b)(2)
Why the fixed rate isn't always the safe pick. With a fixed rate you take one lump sum, and interest builds on all of it from day one. Federal rules also limit how much of your loan you can take in that lump sum. If you only need money over time, an adjustable line of credit means you pay interest only on what you draw, and the unused line can grow. Ask your counselor which fits your plan.

Two rates on one loan: the note rate and the expected rate

An adjustable HECM has two rates, and lenders often quote both:

  • The note (interest) rate is what your balance actually grows by. It equals a short-term index plus the lender's margin. The index must be the 1-year Constant Maturity Treasury (CMT) yield or the 30-day average Secured Overnight Financing Rate (SOFR) for annual loans, or the 1-month CMT or an approved SOFR index for monthly loans (24 CFR 206.21).
  • The expected rate is used only to work out how much you can borrow. For an adjustable HECM it's the 10-year CMT yield (or an approved SOFR index) plus the same lender margin. For a fixed HECM it's simply the fixed rate (24 CFR 206.3).

The margin is the part you can negotiate. The index is the same for every lender on a given day, so when you compare quotes, compare margins.

Recent index values (not lender rates), as of the dates shown

These are the public market indexes HECM rates are built on. Add a lender's margin to get a rate. These aren't offers or lender quotes.

IndexValueDateSource
1-year CMT (annual adjustable note rate)4.50%Oct 27, 2026U.S. Treasury
1-month CMT (monthly adjustable note rate)4.10%Oct 27, 2026U.S. Treasury
30-day average SOFR (annual adjustable note rate)3.90%Oct 28, 2026New York Fed
10-year CMT (expected rate)4.99%Oct 27, 2026U.S. Treasury

Daily values shown. HUD rules refer to weekly average yields, so a lender's figure may differ slightly. The 30-day SOFR average is rounded from 3.89522%.

Example only: if a lender's margin were 2.00%, the expected rate on Oct 27, 2026 would be about 4.99% + 2.00% = 6.99%, and an annual adjustable note rate on the 1-year CMT would start near 4.50% + 2.00% = 6.50%. Real margins vary by lender and loan, so get written quotes.

How does the rate change how much you can borrow?

HUD turns your age and the expected rate into a "principal limit factor," a percentage of your home's value (counted up to $1,249,125, valid through Dec 31, 2026, per HUD) that you can borrow before costs. A higher expected rate means a lower factor. HUD's principal limit factor table starts at a 3% expected rate, and FHA's calculator accepts expected rates from 3.0%, so a lower rate doesn't raise the factor above the 3% row (FHA Connection HECM calculator help). Factors from HUD's table for loans with case numbers assigned on or after October 2, 2017:

Youngest borrower's ageExpected rate 5%6%7%
6241.0%35.7%31.2%
7246.7%41.6%37.2%
8255.6%51.1%47.1%

Source: HUD, HECM principal limit factors effective October 2, 2017 (Mortgagee Letter 2017-12 and HUD's published factor table). Checked October 28, 2026; confirm current factors with a lender.

So for a 72-year-old with a $400,000 home, moving from a 6% to a 7% expected rate drops the starting principal limit from about $166,400 to about $148,800, before costs and any mortgage payoff. That's why a half-point difference in margin matters. See how much can I get? for the full math.

The other cost that grows with your rate: mortgage insurance

On top of interest, every HECM carries FHA mortgage insurance: 2% of the maximum claim amount upfront and 0.5% a year on the loan balance (HUD Mortgagee Letter 2017-12). Interest and the annual premium are both added to your balance. If your note rate is 6.50%, your balance grows by roughly 7% a year before servicing fees. Read reverse mortgage costs explained for the full fee list.

How do you compare reverse mortgage rate quotes?

  1. Get at least three quotes on the same day, for the same loan type (fixed or which adjustable).
  2. Ask for the margin, the index, and the expected rate in writing, not just a "rate."
  3. Ask what the lender charges for origination (HUD caps it at $6,000) and whether a lower margin comes with higher fees.
  4. Compare the net principal limit, which is what's left for you after costs and payoffs.
  5. Ask about a rate lock. Federal rules let you lock the expected rate and margin before closing with the lender's agreement (24 CFR 206.3).

Every HECM requires counseling with a HUD-approved counselor first. They can walk you through rate options at no or low cost. Find one at hud.gov/counseling or call (800) 569-4287, and read what to expect in counseling.

See a rough estimate for your home

Our estimate calculator takes about 30 seconds. It shows a rough range for your home, not a loan offer or pre-qualification. No sign-up and no credit check.

Try the estimate calculator

Prefer to read first? Get your free guide by email.

Frequently asked questions

Are reverse mortgage rates fixed or adjustable?

Both exist. A fixed-rate HECM pays one lump sum at closing only. Lines of credit and monthly payments use an adjustable rate, which changes yearly with caps of 2 points a year and 5 points over the loan, or monthly with a 10-point lifetime cap.

What is the expected rate on a reverse mortgage?

It's the rate HUD uses to work out how much you can borrow. For an adjustable HECM it's the 10-year Treasury (CMT) yield or an approved SOFR index plus the lender's margin. For a fixed HECM it equals the fixed rate.

Does a higher interest rate mean I can borrow less?

Yes. HUD's principal limit factors fall as the expected rate rises. For a 72-year-old, the factor is 41.6% at a 6% expected rate and 37.2% at 7%.

Can I negotiate a reverse mortgage rate?

You can compare and negotiate the lender's margin and fees. The index is the same for every lender on a given day, so get written quotes from at least three lenders on the same day.

Is there a minimum rate for a reverse mortgage?

HUD's principal limit factor table starts at a 3% expected rate, and FHA's calculator accepts expected rates from 3.0%, so a lower rate doesn't raise the factor above the 3% row.

Next step

Keep going with Reverse mortgage costs explained: the fees that come on top of interest. Or get all of our guides in one free download.

Get your free guide

Have a question? Email us. We answer questions about our guides; we can't give advice about your own loan.

Who wrote this guide

This guide is written and maintained by the Clear Reverse editorial team from the primary sources listed below. The "Last updated" date at the top shows when it last changed. Clear Reverse is an education service, not a lender or mortgage broker, and nothing here is legal, tax or financial advice. Spotted an error? Email [email protected]. How we research and update our guides.

Sources

Rules checked October 28, 2026; index values as dated in the table. Rates change daily and vary by lender. Nothing here is a rate quote or loan offer; confirm details with a HUD-approved counselor and a licensed lender.