Originations of adjustable-rate mortgages have not kept pace with overall mortgage production this year, according to a new ranking and analysis by Inside Nonconforming Markets. An estimated $152 billion in ARMs were originated through the first three quarters of 2015, down 10.1 percent from the same period last year. In that span, total first-lien production has increased by 42.9 percent, according to estimates by affiliated publication Inside Mortgage Finance ... [Includes one data chart]