Short interest in F N B Corp (NYSE:FNB) increased during the last reporting period, rising from 25.00M to 26.75M. This put 9.9% of the company's publicly available shares short.

Based on the recent average volume of 5.16M shares traded per day, it would take 5.18 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.