Short interest in CECO Environmental Corp (NASDAQ:CECO) increased during the last reporting period, rising from 2.48M to 3.16M. This put 10.81% of the company's publicly available shares short.

Based on the recent average volume of 784.84K shares traded per day, it would take 4.02 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.