Short interest in ProShares UltraPro Dow30 (ARCA:UDOW) increased during the last reporting period, rising from 236.22K to 406.63K. This put -% of the company's publicly available shares short.

Short interest for ProShares UltraPro Dow30 gives investors a sense of the degree to which investors are betting on the decline of ProShares UltraPro Dow30's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 2.07M 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.