Africa Oil Corp. (OTCMKTS:AOIFF - Get Rating) was the target of a large drop in short interest in the month of October. As of October 15th, there was short interest totalling 633,000 shares, a drop of 14.9% from the September 30th total of 743,800 shares. Based on an average daily volume of 401,000 shares, the days-to-cover ratio is presently 1.6 days.