Short interest in iShares Mortgage-Backed Securities Active ETF (BATS:MBBA) increased during the last reporting period, rising from 1.95K to 4.13K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 8.26K 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.