Short interest in Tetra Tech Inc (NASDAQ:TTEK) increased during the last reporting period, rising from 11.09M to 12.15M. This put 5.23% of the company's publicly available shares short.

Based on the recent average volume of 3.04M shares traded per day, it would take 4 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.