In the current session, Halliburton Inc. (NYSE:HAL) is trading at $27.86, after a 1.38% decrease. Over the past month, the stock fell by 6.92%, and in the past year, by 29.18%. With performance like this, long-term shareholders are more likely to start looking into the company's price-to-earnings ratio.

Comparing Halliburton P/E Against 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 28.86 in the Energy Equipment & Services industry, Halliburton Inc. has a lower P/E ratio of 9.39. 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 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.