Short interest in United Microelectronics Corp (NYSE:UMC) increased during the last reporting period, rising from 53.65M to 58.54M. This put 2.51% of the company's publicly available shares short.

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

Based on the recent average volume of 12.90M shares traded per day, it would take 4.54 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.