SPDR S&P Pharmaceuticals ETF (NYSEARCA:XPH) was the target of a large increase in short interest in the month of October. As of October 31st, there was short interest totalling 1,876,106 shares, an increase of 59.5% from the October 15th total of 1,176,581 shares. Based on an average daily volume of 154,373 shares, the days-to-cover ratio […]