There were "no big changes" in mortgage rates this week, as two reports provided a mixed picture of the housing market, according to Freddie Mac's( FRE) weekly survey.

Still, rates are far below year-ago levels.

A 30-year fixed mortgage posted an average rate of 6.37% with an upfront payment of 0.6 of a point for the week ended Thursday. A week ago, those rates were at 6.35%, and a year earlier they were at 6.37%.

Shorter term, 15-year fixed mortgages moved down slightly to 5.91%, with an upfront payment of 0.6 of appoint, from 5.92% a week earlier. A year ago, those mortgages came with an average rate of 6.39%.

Long-term adjustable mortgage rates were up slightly, while short-term ARMs held steady.

Five-year Treasury-indexed hybrid adjustable-rate mortgages averaged 5.82%, with an upfront payment of 0.6 of a point, up from 5.78% a week ago. A year ago, those rates averaged 6.35%.

One-year Treasury-indexed ARMs held steady at 5.17% this week with an upfront payment of half a point. A year ago, those rates averaged 5.71%.

Freddie Chief Economist Frank Nothaft noted a report from the National Association of Realtors that showed pending sales for existing homes fell more than expected in May. Offsetting that report was news that mortgage applications rose sharply over the July 4th holiday weekend.

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