Rising interest rates apparently haven’t done much to dampen the appetite of subprime borrowers for adjustable-rate products. In fact, a new analysis of the subprime MBS market reveals that the share of ARMs in securitized pools has notched upward this year. According to the Inside Mortgage Finance MBS Database, ARMs accounted for 80.7 percent of the $259.16 billion in subprime loans securitized through the end of June. In 2005, ARMs accounted for 79.1 percent… [One data table included]