PayPal saw a decrease in short interest during the month of January. As of January 15th, there was short interest totaling 19,550,000 shares, a decrease of 15.4% from the December 31st total of 23,110,000 shares. Based on an average daily volume of 17,400,000 shares, the short-interest ratio is currently 1.1 days. Approximately 1.8% of the shares of the stock are sold short. View PayPal's Short Interest .