ETFMG Alternative Harvest ETF (NYSEARCA:MJ) was the target of a significant decrease in short interest in the month of October. As of October 15th, there was short interest totalling 763,612 shares, a decrease of 50.8% from the September 28th total of 1,551,692 shares. Based on an average daily volume of 847,851 shares, the short-interest ratio […]