Short interest in FED NAT MTGE ASSN O PFD by Fannie Mae (OTC:FNMFN) decreased during the last reporting period, falling from 2.33K to 1.33K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 12.38K 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.