Is Markel Group, Inc. overvalued or undervalued?

As of 30 June 2025, the valuation grade for Markel Group, Inc. moved from expensive to fair, indicating a more favorable assessment of its valuation. The company appears fairly valued based on its current metrics, with a P/E ratio of 14, a Price to Book Value of 1.45, and an EV to Sales ratio of 1.06. In comparison to peers, W.R. Berkley Corp. has a significantly higher P/E ratio of 22.84, while Loews Corp. stands at 15.89, suggesting that Markel is competitively priced within its industry.
Despite recent stock performance showing a 1-week decline of 0.99% compared to a 1.05% gain in the S&P 500, Markel has outperformed the index on a year-to-date basis with a return of 12.65% versus 12.22%. Over the past year, Markel's stock has increased by 23.91%, significantly exceeding the S&P 500's 17.14% return. This performance reinforces the notion that Markel Group, Inc. is fairly valued in the current market environment.