Short interest in ProShares Ultra Nasdaq Biotechnology (NASDAQ:BIB) decreased during the last reporting period, falling from 8.86K to 4.17K. This put -% of the company's publicly available shares short.

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

Based on the recent average volume of 11.92K shares traded per day, it would take 1 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.