Short interest in iShares S&P 100 ETF (ARCA:OEF) increased during the last reporting period, rising from 137.33K to 147.16K. This put -% of the company's publicly available shares short.

Short interest in iShares S&P 100 ETF Corp (ARCX:OEF) 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 212.46K 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.