I found some data to answer one of my own questions. In Q3 2006, 29.92 percent of the 6,134 [securitized] loans originating in San Diego were option ARMs. Thats 1,835 in one quarter. Their percentage was below 10% until Q3 2004 and they went away in 2007. So, the total number of option ARMs ever issued in San Diego was probably in 15,000 to 20,000 range.
