Short interest in State Street SPDR Portfolio Aggregate Bond Index ETF (ARCA:SPAB) increased during the last reporting period, rising from 412.52K to 1.37M. This put -% of the company's publicly available shares short.

Based on the recent average volume of 5.17M 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.