United States Steel Corporation is publicly traded on the New York Stock Exchange under the stock symbol X. This symbol is used to identify the company's shares in trading activities and financial reporting. Investors and analysts often refer to this symbol when discussing the company's stock performance or when making investment decisions related to United States Steel Corporation. In addition to its stock symbol, it can be helpful for individuals interested in U.S. Steel to research its market activity, history, and presence in the steel industry. For the most current information regarding its stock performance or contact details for further inquiries, one could explore the official website.