Short interest in First National Corp (NASDAQ:FXNC) increased during the last reporting period, rising from 138.53K to 141.96K. This put 1.83% of the company's publicly available shares short.

Based on the recent average volume of 53.29K shares traded per day, it would take 2.66 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.