Short interest in ProShares UltraShort QQQ (ARCA:QID) decreased during the last reporting period, falling from 477.19K to 347.66K. This put -% of the company's publicly available shares short.

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

Based on the recent average volume of 5.92M 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.