Short interest in State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (ARCA:SPTM) increased during the last reporting period, rising from 435.39K to 542.00K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 414.96K shares traded per day, it would take 1.31 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.