MonitorBankRates
☰
iAdvertiser Disclosure
Advertiser Disclosure Some institutions listed may have a business relationship with MonitorBankRates. Our proprietary systems independently track and verify all rates. Advertiser relationships do not influence our Safety Ratings, Star Ratings, Texas Ratio calculations, or the rates shown.
Rate Trends

Best 5/1 Jumbo ARM Rates June 2026 | As Low As 5.38%

Content reviewed by
Brian McKay Brian McKay
Brian McKay

Brian McKay

Founder & Data Architect
Expertise
  • Automated Online Rate Data Aggregation
  • Location-Based Rate Tables
  • Bank & Credit Union Health Safety Ratings
  • Bank & Credit Union Star Ratings
  • Finance Calculators
Brian is the Founder of MonitorBankRates.com. For over 18 years, he has utilized his background in enterprise infrastructure to engineer proprietary systems that track rates from over 8,000 financial institutions.
Read Full Bio →
| iEditorial Disclosure
Editorial Disclosure The rates displayed are actual, verified rates sourced directly from the official websites of lenders. Our editorial content is independent of any advertiser relationships.
| ✓Fact Checked | Last Updated: June 27, 2026

Today's 5/1 Jumbo ARM mortgage market includes offers such as Randolph Brooks FCURandolph Brooks FCU1 IKEA RBFCU Parkway, Allen, TX 75002A+5.0 ★Texas Ratio: 4.42% offering Jumbo ARM (5/5) 30 years at 5.38%, and SunwardSunward1 Liberty Square Cir, Albuquerque, CA 81301 5104A+5.0 ★Texas Ratio: 3.78% offering Jumbo 5/5 1 Loan at 5.75%, and Rockland Federal Credit UnionRockland Federal Credit Union1690 Main St, Brockton, MA 02048 1223A+5.0 ★Texas Ratio: 3.27% offering 5/6 ARM - Jumbo at 5.62%, and Chevron Federal Credit UnionChevron Federal Credit Union100 Northpark Blvd # B1302A, Bakersfield, CA 20190 5919A+5.0 ★Texas Ratio: 2.14% offering Jumbo 5/6 ARM 30-Year Variable Mortgage at 5.62%, and Ventura County Credit UnionVentura County Credit Union18 W Thousand Oaks Blvd, Camarillo, CA 91360 4458A+5.0 ★Texas Ratio: 2.96% offering 5/5 ARM 2/2/5 Jumbo 5 YR Treasury CMT at 5.75%.

A 5/1 jumbo ARM provides a fixed rate for the first 5 years on a high-balance loan above conforming limits, then adjusts annually. It balances a meaningfully lower initial rate against a 5-year window of rate certainty — ideal for jumbo borrowers with a medium-term ownership plan.

5/1 Jumbo ARM rates reflect the initial fixed-rate period. Jumbo ARM rates will adjust after 5 years based on market conditions. Last Updated and Verified: June 27, 2026

Compare 5/1 Jumbo ARM Rates Today

State:
Today's 5/1 Jumbo ARM Rate Context: The average 5/1 jumbo arm mortgage rate is 6.562%, up 0.063% from last week. The table below shows verified 5/1 jumbo arm rate offers from banks and credit unions. Source: Verified Mortgage Rate Data provided by MonitorBankRates.com.
Source: Verified Mortgage Rate Data provided by MonitorBankRates.com
Lender
Product
Term
Rate ▲
APR
Profile
Randolph Brooks FCU
Institution Rating:
A+5.0 ★Texas Ratio: 4.42%
Allen, TX
Jumbo ARM (5/5) 30 years
30 years
5.38%
5.41%
View
▼
Rate5.38%
APR5.41%
Points0.000
UpdatedJun 23, 2026
Details

As Low As

Sunward
Institution Rating:
A+5.0 ★Texas Ratio: 3.78%
Albuquerque, CA
Jumbo 5/5 1 Loan
30 Years
5.75%
5.90%
View
▼
Rate5.75%
APR5.90%
Points0.000
UpdatedJun 23, 2026
Details

As low as; Rate: 5.750%

Rockland Federal Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 3.27%
Brockton, MA
5/6 ARM - Jumbo
360
5.62%
6.12%
View
▼
Rate5.62%
APR6.12%
Points0.000
UpdatedJun 26, 2026
Details

Fully Indexed Rate: 6.375%

Chevron Federal Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.14%
Bakersfield, CA
Jumbo 5/6 ARM 30-Year Variable Mortgage
30-Year Variable
5.62%
6.28%
View
▼
Rate5.62%
APR6.28%
Points0.000
UpdatedJun 26, 2026
Details

Annual Percentage Rates shown are "as low as". All rates are subject to change without notice.

Ventura County Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.96%
Camarillo, CA
5/5 ARM 2/2/5 Jumbo 5 YR Treasury CMT
5.75%
6.29%
View
▼
Rate5.75%
APR6.29%
Points0.000
UpdatedJun 27, 2026
Details

As Low As; *(2)

Michigan State University Federal Credit Union
Institution Rating:
A5.0 ★Texas Ratio: 8.72%
Algonquin, IL
Jumbo Adjustable-Rate Mortgages
5/1
6.33%
View
▼
Rate
APR6.33%
Points0.000
UpdatedJun 26, 2026
Details

As Low As; 6.000%

Hingham Institution for Savings
Institution Rating:
A+5.0 ★Texas Ratio: 0.05%
Boston, DC
5/5 ARM (Jumbo)
5/5 ARM
6.35%
View
▼
Rate
APR6.35%
Points0.000
UpdatedJun 16, 2026
Details

Jumbo

Ventura County Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.96%
Camarillo, CA
5/6 ARM 2/1/5 Jumbo 30 day avg. SOFR
6.25%
6.41%
View
▼
Rate6.25%
APR6.41%
Points0.000
UpdatedJun 27, 2026
Details

As Low As; *(1)

Sunward
Institution Rating:
A+5.0 ★Texas Ratio: 3.78%
Albuquerque, CA
Jumbo 5/5 >80% 1 Loan
30 Years
6.25%
6.43%
View
▼
Rate6.25%
APR6.43%
Points0.000
UpdatedJun 23, 2026
Details

As low as; Rate: 6.250%

Ventura County Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.96%
Camarillo, CA
7/6 ARM 5/1/5 Jumbo 30 day avg. SOFR
6.38%
6.49%
View
▼
Rate6.38%
APR6.49%
Points0.000
UpdatedJun 27, 2026
Details

As Low As; *(3)

Commonwealth One Federal Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 12.83%
Alexandria, DC
5/5 ARM Jumbo
5.88%
6.72%
View
▼
Rate5.88%
APR6.72%
Points0.000
UpdatedJun 23, 2026
Details

Rate locked in for the first five years, then adjusts every five years. Caps limit rate increases to 2% at any one time and 5% over the life of the loan. Par rate (no discount points). Your specific rate will be based on your unique circumstances and may differ from the rates shown.

The 5/1 jumbo ARM rates displayed are verified and sourced directly from the official websites of the listed financial institutions. Jumbo ARM rates will adjust after the initial fixed period.

Banks and Credit Unions: If you need to update your rate data or request removal from MonitorBankRates.com, please contact us here.

5/1 Jumbo ARM Rate Trend

Daily average rates across all mortgage types

Daily mortgage rate averages compiled from our database of 8,500+ banks and credit unions — updated daily.

View Full Trends Report →
5/1 Jumbo ARM — Avg
6.562%
▲ 0.063% from last week

The 5/1 Jumbo ARM rate rose 0.063 points over the past 7 days to 6.562%, up from 6.499% last week.

Quick Reference — June 2026
Est. payment ($400k loan): $2,545/mo
Loan type: 5/1 Jumbo ARM (adjustable after 5 years)
Best for: Lower initial rate on jumbo loans, mid-term
Data source: 8,500+ lenders verified daily
As of Jun 28, 2026 • Daily averages from our database of 8,500+ U.S. banks & credit unions — updated daily Powered by MonitorBankRates

Jumbo ARM Mortgage Calculators

Mortgage Payment Calculator Affordability Calculator Refinance Calculator Rent vs. Buy Calculator

Methodology & Data Sources

Direct-Sourced & Verified Rate Data: Every 5/1 jumbo ARM rate on this page is sourced directly from the official website of the lending institution. Jumbo ARM rates reflect the initial fixed-rate period and are verified and updated daily.

Coast-to-Coast Lender Coverage: Our database monitors over 8,500 banks and credit unions across all 50 states, capturing a diverse mix of community credit unions, regional banks, and online lenders. This breadth ensures you see competitive rates that many rate surveys miss.

Time-Stamped for Full Transparency: Because 5/1 Jumbo ARM rates can shift multiple times per week in response to economic conditions and Federal Reserve policy changes, every rate entry carries its own specific "last updated" date. You always know exactly how fresh the data is.

Proprietary Lender Safety Ratings: Rate alone is only part of the picture. MonitorBankRates evaluates the financial stability of every listed institution using regulatory FDIC and NCUA data. Our composite Health Grades (A+ to F), Star Ratings, and Texas Ratio calculations give you a clear view of lender stability so you can borrow with confidence from a financially sound institution.

Frequently Asked Questions About 5/1 Jumbo ARM Rates

What is a 5/1 Jumbo ARM?

A 5/1 Jumbo ARM is an adjustable-rate mortgage on a loan that exceeds the conforming loan limit (currently $766,550 in most U.S. counties) with a five-year initial fixed-rate period. The rate stays the same for the first 60 months, then adjusts once per year based on a financial index — typically SOFR — plus a lender margin. The 5/1 Jumbo ARM is the most widely used jumbo ARM structure, offering a meaningful rate discount versus fixed jumbo products while providing five years of payment stability.

What qualifies as a jumbo loan?

A jumbo loan is any mortgage that exceeds the conforming loan limits set annually by the Federal Housing Finance Agency (FHFA). In most U.S. counties, the 2024 single-family limit is $766,550. In designated high-cost areas such as parts of California, New York, and Hawaii, higher limits apply — up to $1,149,825. Loans above these thresholds cannot be purchased by Fannie Mae or Freddie Mac, so lenders retain more risk and typically require stronger borrower qualifications.

How does the rate adjustment work after the 5-year fixed period?

After the initial 5-year fixed period, the rate adjusts annually. Each adjustment is tied to a financial index — most commonly SOFR — plus a fixed margin set by the lender (typically 2.5%–3.0%). For example, if SOFR is 4.50% and the margin is 2.75%, your adjusted rate would be 7.25%, subject to applicable rate caps. The first adjustment is often capped separately from subsequent annual adjustments, and a lifetime cap limits how high the rate can ever go.

What are rate caps on a 5/1 Jumbo ARM?

Rate caps protect borrowers from sudden, large payment increases. A typical 5/1 Jumbo ARM uses a 2/2/5 cap structure: the first adjustment after the fixed period cannot increase the rate more than 2%, each subsequent annual adjustment is also capped at 2%, and the lifetime maximum increase over the start rate is 5%. If your initial rate is 6.50%, your rate can never exceed 11.50%. Always verify the specific cap structure in your loan disclosure, as jumbo lenders sometimes use different cap structures than conforming ARMs.

Who is a 5/1 Jumbo ARM best suited for?

The 5/1 Jumbo ARM is well suited for high-value home buyers who expect to sell or refinance within five years, plan to pay down a significant portion of principal in the early years, or anticipate income growth that would support a higher payment if the rate adjusts. It is also commonly used by professionals who relocate every 4–7 years, executives with short-term assignments, and move-up buyers with a clear 5-year horizon. The 5-year window provides meaningful predictability while still delivering a rate advantage over 30-year fixed jumbo loans.

What are the typical borrower requirements for a jumbo ARM?

Jumbo ARMs carry stricter qualification standards than conforming loans. Most lenders require a minimum credit score of 700–720, with the best pricing for scores above 740 or 760. Down payment requirements typically start at 10%–20% depending on loan size. Debt-to-income (DTI) ratios are generally capped at 43%, and lenders commonly require 12–24 months of cash reserves in liquid assets after closing. Self-employed borrowers should expect more extensive income documentation requirements.

How does a 5/1 Jumbo ARM compare to a 30-year fixed jumbo mortgage?

The 5/1 Jumbo ARM typically offers an initial rate 0.50%–1.25% below a 30-year fixed jumbo mortgage, which on a $1,000,000 loan translates to $415–$1,040 in monthly savings during the fixed period. The trade-off is rate uncertainty after year 5. If you sell or refinance before the first adjustment, you capture the full savings with no rate risk. If you stay beyond 5 years and rates have risen, your payment increases. The decision hinges on your confidence in your 5-year exit plan and your tolerance for rate risk.

What is the difference between interest rate and APR on a jumbo ARM?

The interest rate is your fixed borrowing cost for the first five years. The APR on an ARM is more complex than on a fixed loan — it incorporates the initial rate, projected future rate adjustments (based on current index levels), plus fees and points, all annualized. Because it must project future adjustments, the APR on an ARM is a useful but imperfect comparison tool. It is still the best single number for comparing total cost across lenders, but be aware it rests on assumptions about where SOFR will be after your fixed period.

How are 5/1 Jumbo ARM rates determined?

Lenders price 5/1 Jumbo ARM rates primarily based on the 5-year U.S. Treasury yield and current SOFR levels, adding a spread to cover credit risk, jumbo premium, servicing costs, and profit. Jumbo ARM pricing is influenced by investor appetite on lender balance sheets rather than secondary market demand from Fannie Mae or Freddie Mac, giving lenders more discretion in pricing. Your individual rate also reflects credit score, loan-to-value ratio, property type, loan size, and current market conditions at the time of locking.

What are today's best 5/1 Jumbo ARM rates?

  • Randolph Brooks FCU: 5.38% (Jumbo ARM (5/5) 30 years)
  • Sunward: 5.75% (Jumbo 5/5 1 Loan)
  • Rockland Federal Credit Union: 5.62% (5/6 ARM - Jumbo)
  • Chevron Federal Credit Union: 5.62% (Jumbo 5/6 ARM 30-Year Variable Mortgage)
  • Ventura County Credit Union: 5.75% (5/5 ARM 2/2/5 Jumbo 5 YR Treasury CMT)
30-Year Fixed rates reflect actual verified offers from lenders actively lending to borrowers across the country. Your final approved rate will depend on your credit profile, loan-to-value ratio, and daily market movements. Last Updated: June 27, 2026

More Mortgage Rate Options

30
30-Year Fixed Mortgage Rates Best for long-term stability
15
15-Year Fixed Mortgage Rates Build equity faster
30J
30-Year Jumbo Mortgage Rates Loans above conforming limits
15J
15-Year Jumbo Mortgage Rates Shorter term, high-balance
3/1
3/1 ARM Rates 3-year fixed, then adjusts
5/1
5/1 ARM Rates 5-year fixed, then adjusts
7/1
7/1 ARM Rates 7-year fixed, then adjusts
3/1J
3/1 Jumbo ARM Rates Short-term jumbo ARM
7/1J
7/1 Jumbo ARM Rates Longer-term jumbo ARM
VA
VA Mortgage Rates For eligible veterans & service members
FHA
FHA Mortgage Rates Low down payment government loans