Africa Oil Corp. (OTCMKTS:AOIFF - Get Rating) was the target of a significant growth in short interest during the month of August. As of August 31st, there was short interest totalling 1,161,900 shares, a growth of 13.8% from the August 15th total of 1,021,100 shares. Based on an average daily volume of 347,500 shares, the short-interest ratio is presently 3.3 days.