Short interest in AC Immune SA (NASDAQ:ACIU) increased during the last reporting period, rising from 796.92K to 984.46K. This put 1.86% 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 87.05K shares traded per day, it would take 11.31 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.