Mortgage applications increased 0.2% from one week earlier, according to data from the Mortgage Bankers Association’s Weekly Mortgage Applications Survey for the week ending August 21, 2015.

The Market Composite Index, a measure of mortgage loan application volume, increased 0.2% on a seasonally adjusted basis from one week earlier. On an unadjusted basis, the Index decreased 1% compared with the previous week. The Refinance Index decreased 1% from the previous week. The seasonally adjusted Purchase Index increased 2% from one week earlier. The unadjusted Purchase Index decreased 0.3% compared with the previous week and was 18% higher than the same week one year ago.

Applications for government home purchase loans drove the increase; the seasonally adjusted Federal Housing Administration purchase index rose by 5.6% from the previous week while the seasonally adjusted United States Department of Veterans Affairs purchase index rose by 5.2% over the week. Conventional purchase applications were essentially unchanged from the previous week.

The refinance share of mortgage activity decreased to 55.3% of total applications from 55.5% the previous week. The adjustable-rate mortgage (ARM) share of activity decreased to 6.8% of total applications.

The FHA share of total applications increased to 13.1% from 12.9% the week prior. The VA share of total applications increased to 11.4% from 11.1% the week prior. The United States Department of Agriculture share of total applications remained unchanged at 0.8% from the week prior.

The average contract interest rate for 30-year fixed-rate mortgages with conforming loan balances ($417,000 or less) decreased to 4.08% from 4.11%, with points decreasing to 0.36 from 0.37 (including the origination fee) for 80% loan-to-value ratio loans. The effective rate decreased from last week.

The average contract interest rate for 30-year fixed-rate mortgages with jumbo loan balances (greater than $417,000) decreased to 4.00% from 4.03%, with points decreasing to 0.24 from 0.29 (including the origination fee) for 80% LTV loans. The effective rate decreased from last week.

The average contract interest rate for 30-year fixed-rate mortgages backed by the FHA increased to 3.90% from 3.88%, with points increasing to 0.21 from 0.17 (including the origination fee) for 80% LTV loans. The effective rate increased from last week.

The average contract interest rate for 15-year fixed-rate mortgages decreased to 3.33% from 3.37%, with points decreasing to 0.31 from 0.36 (including the origination fee) for 80% LTV loans. The effective rate decreased from last week.

The average contract interest rate for 5/1 ARMs decreased to 2.96% from 2.98%, with points decreasing to 0.36 from 0.40 (including the origination fee) for 80% LTV loans. The effective rate decreased from last week.