Short interest in First Trust Water ETF (ARCA:FIW) increased during the last reporting period, rising from 42.39K to 74.44K. This put -% of the company's publicly available shares short.

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

Based on the recent average volume of 38.69K shares traded per day, it would take 1.92 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.