Short interest in Pinnacle West Capital Corp (NYSE:PNW) increased during the last reporting period, rising from 4.81M to 5.18M. This put 5.22% of the company's publicly available shares short.

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

Based on the recent average volume of 1.13M shares traded per day, it would take 4.56 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.