Short interest in ProShares UltraShort QQQ (ARCA:QID) increased during the last reporting period, rising from 886.85K to 1.03M. This put -% of the company's publicly available shares short.

Short interest in ProShares UltraShort QQQ Corp (ARCX:QID) decreased during the last reporting period, falling from 280.30M to 275.20M. This put 1.17% of the company's publicly available shares short.

Based on the recent average volume of 4.76M 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.