Greenfire Resources Ltd. (NYSE:GFR - Get Free Report) saw a large increase in short interest during the month of September. As of September 15th, there was short interest totaling 3,223,621 shares, an increase of 84.8% from the August 31st total of 1,744,086 shares. Approximately 3.2% of the shares of the company are short sold. Based on an average daily volume of 1,954,378 shares, the short-interest ratio is presently 1.6 days.