Short interest in AC Immune SA (NASDAQ:ACIU) increased during the last reporting period, rising from 986.13K to 1.01M. This put 1.9% of the company's publicly available shares short.

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

Based on the recent average volume of 142.04K shares traded per day, it would take 7.08 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.