In January, Prosper began using its new PMI7 credit underwriting model; Prosper expects PMI7 to help improve returns and credit scoring metrics; the estimated return on loans issued for January is 7.86%; post-charge off recoveries have been higher than estimated which is expected to increase IRR calculations; delinquencies and pre-payments are also improving; the average coupon increased 300 bps in January to 15.99% as PMI7 caused an increase in higher risk loans. Source