Short interest in Unum Group (NYSE:UNM) increased during the last reporting period, rising from 4.26M to 4.47M. This put 3.72% of the company's publicly available shares short.

Based on the recent average volume of 2.30M shares traded per day, it would take 1.95 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.