Short interest in First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund (NASDAQ:GRID) increased during the last reporting period, rising from 138.90K to 247.46K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 556.73K 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.