Nonprime lenders allow credit scores as low as 500 and loan-to-value ratios up to 90.0 percent, but new originations don’t typically reach such extremes. According to an analysis by Inside Nonconforming Markets, the average credit score on loans in nonprime/Alt A mortgage-backed securities issued in recent years was 701.1. The average combined LTV ratio for the loans was 74.9 percent and the average debt-to-income ratio was 37.0 percent. The analysis ... [Includes one data chart]