Total mortgage applications rose 11.2% week to week, according to the Mortgage Bankers Association’s seasonally adjusted index.

Mortgage rates remained “essentially flat” this week despite the volatility in the markets, according to the latest Freddie Mac Primary Mortgage Survey. 30-year fixed-rate mortgages averaged 6.65% as of March 13,

The average rate on a 30-year mortgage edged higher, ending a seven-week slide that helped ease borrowing costs leading into the spring homebuying season.