Short interest in Altimmune Inc (NASDAQ:ALT) decreased during the last reporting period, falling from 22.40M to 22.23M. This put 31.37% of the company's publicly available shares short.

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

Based on the recent average volume of 1.74M shares traded per day, it would take 12.75 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.