Despite the efforts of some major lenders to shuffle their product mix away from interest-only mortgages, IO loans remained a key component of the mortgage market during the first nine months of the year. According to a new analysis by Inside Alternative Mortgages, the estimated $450 billion in new IO loans that were originated during the first nine months of the year accounted for 19.3 percent of the period’s total $2.3 trillion in new 1-4… [One data table included]