Short Interest Surges for Cemtrex Amid Stock Volatility Short interest in Cemtrex, Inc. (CETX) rose significantly in February, increasing by 298.5% to 212,800 shares. With 12% of shares short sold and a days-to-cover ratio of 0.6, market sentiment reflects skepticism. The stock, currently at $1.69, has seen major fluctuations, adding to investor concerns.3