Short interest in Calix Inc (NYSE:CALX) increased during the last reporting period, rising from 4.93M to 5.35M. This put 13.06% of the company's publicly available shares short.

Based on the recent average volume of 629.49K shares traded per day, it would take 8.49 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.