According to Black Knight Financial Services, as many as 25% of American borrowers with 30-year mortgages could benefit from refinancing their homes. Trey Barns, the senior vice president of Loan Data Products for Black Knight Financial Services said, “before the most recent reductions in the average 30-year mortgage interest rate, approximately six million borrowers met broad-based ‘refinancibility’ criteria. These criteria assume loan-to-value ratios of 80% or below, good credit, non-delinquent loan status and current interest rates high enough that borrowers have an incentive to refinance.” More here