Short interest in iShares Biotechnology ETF (NASDAQ:IBB) increased during the last reporting period, rising from 10.28M to 11.26M. This put -% of the company's publicly available shares short.

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

Based on the recent average volume of 1.60M shares traded per day, it would take 7.02 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.