In the current session, the stock is trading at $314.53, after a 0.39% increase. Over the past month, Chubb Inc. (NYSE:CB) stock increased by 5.32%, and in the past year, by 12.75%. 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.Comparing Chubb P/E Against Its PeersThe P/E ratio measures the current share price to the company's EPS. It is used by long-term investors to analyze the c ...