Short interest in Altimmune Inc (NASDAQ:ALT) increased during the last reporting period, rising from 22.84M to 23.43M. This put 33.04% 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 2.92M shares traded per day, it would take 8.04 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.