Short interest in Altimmune Inc (NASDAQ:ALT) increased during the last reporting period, rising from 22.23M to 22.94M. This put 32.36% 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 1.75M shares traded per day, it would take 13.09 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.