Short interest in Sienna Biopharmaceuticals Inc (OTC:SNNAQ) decreased during the last reporting period, falling from 1.36K to 1.36K. This put 0.01% of the company's publicly available shares short.

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

Based on the recent average volume of - shares traded per day, it would take 999.99 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.