In the current market session, American Express Inc. (NYSE:AXP) stock price is at $303.27, after a 0.64% decrease. However, over the past month, the company's stock went up by 12.03%, and in the past year, by 80.94%. Shareholders might be interested in knowing whether the stock is overvalued, even if the company is not performing up to par in the current session.

Evaluating American Express 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.

American Express has a lower P/E than the aggregate P/E of 36.34 of the Consumer Finance industry. Ideally, one might believe that the stock might perform worse than its peers, but it's also probable that the stock is undervalued.

In summary, while the price-to-earnings ratio is a valuable tool for investors to evaluate a company's market performance, it should be used with caution. A low P/E ratio can be an indication of undervaluation, but it can also suggest weak growth prospects or financial instability. Moreover, the P/E ratio is just one of many metrics that investors should consider when making investment decisions, and it should be evaluated alongside other financial ratios, industry trends, and qualitative factors. By taking a comprehensive approach to analyzing a company's financial health, investors can make well-informed decisions that are more likely to lead to successful outcomes.