Short interest in iShares Environmental Infrastructure and Industrials ETF (NASDAQ:EFRA) increased during the last reporting period, rising from 853.00 to 1.15K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 487.00 shares traded per day, it would take 2.36 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.