The weighted average coupon for new issuance of FHA refinancing loans is much lower than FHA purchase loans due to a combination of factors, according to an analysis by Wells Fargo Securities. Wells analysts led by senior analyst Vipul Jain compared collateral characteristics of FHA purchase and refi production for 2017 based on the weighted average loan age (WALA) of newer collateral issuance. The team found that purchase-loan production in FHA carries higher-than-average ...