Short interest in ProShares Ultra VIX Short Term Futures ETF (BATS:UVXY) increased during the last reporting period, rising from 3.51M to 4.28M. This put -% of the company's publicly available shares short.

Based on the recent average volume of 7.85M 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.