Short interest in Southern Co (NYSE:SO) increased during the last reporting period, rising from 18.17M to 18.34M. This put 1.68% of the company's publicly available shares short.

Short interest for Southern gives investors a sense of the degree to which investors are betting on the decline of Southern's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 3.75M shares traded per day, it would take 4.89 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.