Ally Financial Inc. (Ally) has reported improving profitability, a declining consumer auto net charge-off rate, and continued growth of retail deposits. We are revising our outlook on Ally to positive from stable. At the same time, we are affirming our 'BB+' long-term issuer credit rating on the company. We could raise the rating if the company maintains its improved level of profitability without taking on more risk--which will likely depend on it avoiding a deterioration in credit quality or a sharp increase in deposit costs--or materially reducing its capital ratios. On Oct. 17, 2018, S&P Global Ratings revised its outlook on Ally Financial Inc. (Ally) to positive from stable. At the same time, we affirmed our ratings on Ally, including