Short interest in State Street Materials Select Sector SPDR ETF (ARCA:XLB) increased during the last reporting period, rising from 14.96M to 15.89M. This put -% of the company's publicly available shares short.

Based on the recent average volume of 12.18M 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.