19.3 million people could qualify for refinancing—Here's what to know about the market

The 30-year mortgage rate has dropped to a record low of 2.86 percent and 19.3 million borrowers qualify for refinancing. Andy Walden, Black Knight market research director, and CNBC's Diana Olick discuss how many homeowners could qualify and how much they could save.
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Fri, Sep 11 20202:19 PM EDT