HDFC Bank saw a decline in short interest during the month of January. As of January 15th, there was short interest totaling 5,200,000 shares, a decline of 8.8% from the December 31st total of 5,700,000 shares. Based on an average trading volume of 2,800,000 shares, the short-interest ratio is currently 1.9 days. View HDFC Bank's Short Interest .