In the current session, the stock is trading at $45.99, after a 0.76% increase. Over the past month, Williams Companies Inc. (NYSE:WMB) stock increased by 0.98%, and in the past year, by 39.68%. With performance like this, long-term shareholders are optimistic but others are more likely to look into the price-to-earnings ratio to see if the stock might be overvalued. How Does Williams Companies P/E Compare to Other Companies?The P/E ratio is used by long-term shareholders to assess the company’s market performance against aggregate market data, historical earnings, and the industry at large. A…