Short interest in Collegium Pharmaceutical Inc (NASDAQ:COLL) increased during the last reporting period, rising from 5.62M to 5.68M. This put 21.84% of the company's publicly available shares short.

Short interest for Collegium Pharmaceutical gives investors a sense of the degree to which investors are betting on the decline of Collegium Pharmaceutical's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 363.39K shares traded per day, it would take 15.63 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.