Short interest in Janus Henderson Mortgage-Backed Securities ETF (ARCA:JMBS) increased during the last reporting period, rising from 755.29K to 1.13M. This put -% of the company's publicly available shares short.

Based on the recent average volume of 491.51K shares traded per day, it would take 2.3 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.