In the current session, Cigna Inc. (NYSE:CI) is trading at $279.01, after a 0.93% drop. Over the past month, the stock decreased by 16.40%, and in the past year, by 6.38%. With performance like this, long-term shareholders are more likely to start looking into the company's price-to-earnings ratio.

Evaluating Cigna P/E in Comparison to Its Peers

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 lower P/E could indicate that shareholders do not expect the stock to perform better in the future or it could mean that the company is undervalued.

Compared to the aggregate P/E ratio of the 39.5 in the Health Care Providers & Services industry, Cigna Inc. has a lower P/E ratio of 26.69. Shareholders might be inclined to think that the stock might perform worse than it's industry peers. It's also possible that the stock is undervalued.

In conclusion, the price-to-earnings ratio is a useful metric for analyzing a company's market performance, but it has its limitations. While a lower P/E can indicate that a company is undervalued, it can also suggest that shareholders do not expect future growth. Additionally, the P/E ratio should not be used in isolation, as other factors such as industry trends and business cycles can also impact a company's stock price. Therefore, investors should use the P/E ratio in conjunction with other financial metrics and qualitative analysis to make informed investment decisions.