Countrywide Financial paced the option adjustable-rate mortgage market during the first nine months of the year, an exclusive new Inside Alternative Mortgages analysis and ranking reveals. Overall, Inside Alternative Mortgages estimates that $230 billion in new option ARMs – or loans that allow borrowers to choose among a variety of payment options each month – were produced through the end of September, a figure equal to 10 percent of the total $2.3 trillion in… [One data table included]