Banks tend to approve a much higher share of applications for jumbo mortgages than nonbanks, according to a new ranking and analysis by Inside Nonconforming Markets based on new Home Mortgage Disclosure Act data. In 2016, the denial rate for applications for jumbo mortgages was 18.6 percent. The rate tracks total loan applications for jumbo mortgages last year (495,213) and denied applications. The calculation excludes withdrawn applications and ... [Includes one data chart]