Proteostasis Therapeutics Inc. (NASDAQ:PTI) saw a large decrease in short interest in the month of October. As of October 14th, there was short interest totalling 413,963 shares, a decrease of 34.2% from the September 30th total of 628,808 shares. Based on an average daily trading volume, of 156,703 shares, the short-interest ratio is presently 2.6 […]
