 Geospace Technologies Co. NASDAQ:GEOS saw a large decline in short interest in March. As of March 31st, there was short interest totalling 301,800 shares, a decline of 22.1 from the March 15th total of 387,300 shares. Based on an average daily volume of 73,800 shares, the short-interest ratio is presently 4.1 days. Currently, 2.5 of ... 