Short interest in ProShares Big Data Refiners ETF (ARCA:DAT) increased during the last reporting period, rising from 637.00 to 3.76K. This put -% of the company's publicly available shares short.

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

Based on the recent average volume of 10.82K 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.