Specialty segment net premiums earned totaled $267 million, up 9% year over year. Mortgage Insurance Remains a Key Earnings DriverRadian’s mortgage insurance segment wrote $16.3 billion of new insurance during the quarter, an increase of 14% from a year earlier. Mortgage segment operating expenses declined 7% year over year, and the segment expense ratio improved to 23% from 25% a year earlier. About Radian Group (NYSE:RDN)Radian Group Inc (NYSE:RDN) is a leading provider of private mortgage insurance and related risk management solutions in the United States. Beyond mortgage insurance, Radian offers an array of real estate transaction services under its Radian Title division.