There was a healthy flow of mortgage servicing rights during the first quarter of 2018, but it’s unclear whether this year will match the prodigious transaction volume recorded in 2017. Transfers of single-family agency servicing rights totaled an estimated $121.76 billion in the first three months of 2018, according to an exclusive Inside Mortgage Trends analysis of mortgage-backed securities data from Fannie Mae, Freddie Mac and Ginnie Mae ... [Includes three data charts]