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Mortgage rates took a step lower this week, as some of the leading lenders repriced even closer to 6%. The Yahoo Finance weekly survey ranks lenders by the lowest annual percentage rate (APR), which includes lender fees. Read on to see the 10 lenders with the lowest rates this week.

MORE:ย See our top picks for mortgage lenders for first-time home buyers.

Here are the 10 mortgage lenders with the best interest rates this week, as determined by our survey of the lowest mortgage rates on 30-year, fixed-rate conventional loans. The following numbers are each lender's annual percentage rate (APR).

PenFed Credit Union: 6.09%

Navy Federal Credit Union: 6.142%

Chase Home Loans: 6.210%

Better: 6.213%

Citi Mortgage: 6.235%

Truist: 6.455%

Flagstar Bank: 6.466%

Wells Fargo: 6.539%

U.S. Bank: 6.542%

Citizens Bank: 6.576%

PenFed Credit Union resumed its low-rate leadership this week, cutting its 30-year conventional rate within a razor margin of 6%. Navy Federal Credit Union held steady as the runner-up.

Of the 16 national lenders surveyed on June 15, Bank of America, Fifth Third Bank, PNC Bank, Rate, Third Federal, and Rocket Mortgage did not rank among the top 10 by annual percentage rate. An APR difference of 0.809 percentage points separated the top lender, PenFed, from the bottom-ranked Rocket Mortgage. That's further proof that shopping multiple lenders can lead to significant savings.

Read more: Is it a good time to refinance?

These are sample mortgage rates found on lender websites and are based on generic assumptions. Lenders advertise 30-year mortgage rates based on varying credit scores, down payments, and other credit qualifications. Even where you live affects your mortgage rate.

Your rate will be based on your particular credit profile.

If a mortgage lender required additional borrower information to provide a sample rate, we supplied a median home value and credit score, with a 20% down payment based on a home located in the Midwest.

Read more: See the average mortgage rate in your state

The key to securing the lowest mortgage rate is shopping around, which could save borrowers up to an average of $44,000 over the life of a 30-year loan, according to analysis by Realtor.com.

We're also looking for details that you will want to consider. Often, borrowers focus on the offered interest rate, as that's what lenders typically highlight. However, the mortgage annual percentage rate, or APR, is the most important number.

APR includes both the interest rate and lender fees (for example, the mortgage origination fee), so it is the most accurate measure of your annual borrowing costs.

Lenders often include mortgage discount points to lower the interest rate they offer. That's where things can get confusing.

First off, discount points are prepaid interest โ€” an up-front fee paid at closing that reduces your interest rate. Although lenders often include discount points in their advertised rates online, buying points is optional.

Each point represents 1% of your loan amount and generally lowers your interest rate by about 0.25%. For example, one point on a $400,000 mortgage would cost $4,000 and reduce a 6.25% home loan to 6%.

Just remember, no matter what the lender puts in an advertised rate or in a loan offer, when you get a Loan Estimate, and you see discount points under the lender fees section, you can say "no" and have them removed. But your rate will be higher.

Learn more: How mortgage rates are determined

One thing we're seeing more often: Lenders sometimes offer special discounts off their interest rates and fees. For example, Chase Home Loans just completed another mortgage rate sale. We would like to see more mortgage lenders launch such consumer-oriented promotions. And from the national response we've seen each time Chase hosts a rate sale, many borrowers would too.

If a lender you are interested in is not currently promoting a discount, ask for any concessions they can offer and let them know you are shopping with multiple lenders.

If possible, when shopping with three or more lenders, have each of them provide a quote for a mortgage rate with zero discount points. Then, focus on the APR for an accurate side-by-side comparison of rates and fees.

See the table below to understand the Yahoo Finance methodology for determining which mortgage lenders have the best rates this week. Remember, we are sorting by APR, which includes both the interest rates and mortgage lender fees, including points.

Rank

Lender

Advertised 30-year fixed rate

APR

Points/notes

1

PenFed Credit Union

5.88%

6.09%

1.5 point and 1% origination fee

2

Navy Federal

6.00%

6.14%

0.500 point

3

Chase Home Loans

6.13%

6.21%

1 point

4

Better Mortgage

6.00%

6.21%

2.24 points

5

Citi Mortgage

6.13%

6.24%

0.750 point

6

Truist Bank

6.25%

6.46%

0.982 point

7

Flagstar Bank

6.38%

6.47%

1 point and $1,295 origination fee

8

Wells Fargo

6.38%

6.54%

1 point

9

U.S. Bank

6.38%

6.54%

0.868 point

10

Citizens Bank

6.50%

6.58%

.25 point

11

Bank of America

6.50%

6.64%

0.599 point

12

Fifth Third Bank

6.50%

6.64%

0 points

13

PNC Bank

6.50%

6.66%

0.795 point

14

Rate

6.25%

6.66%

1.246 points

15

Third Federal

6.75%

6.80%

0 points

16

Rocket Mortgage

6.63%

6.90%

1.75 points

Some advertised rates required no additional information. When asked for details, we used the U.S median home sales price of $410,800, a 20% down payment ($82,200; $328,600 loan),ย  the current median FICO credit score of 715, and the ZIP code for Indianapolis, IN (46077)

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