Short interest in iShares MSCI USA Size Factor ETF (ARCA:SIZE) increased during the last reporting period, rising from 19.85K to 22.57K. This put -% of the company's publicly available shares short.

Short interest for iShares MSCI USA Size Factor ETF gives investors a sense of the degree to which investors are betting on the decline of iShares MSCI USA Size Factor ETF's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 4.96K shares traded per day, it would take 4.55 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.