Is Kinsale Capital Group, Inc. overvalued or undervalued?

As of 14 November 2025, Kinsale Capital Group, Inc. has moved from an expensive to a very expensive valuation grade. The company is overvalued, as indicated by its P/E ratio of 27, which is significantly higher than the peer average of 23.57, and a Price to Book Value of 7.01, also above its peers. Additionally, the PEG Ratio stands at 1.86, suggesting that the stock may not be justified by its growth rate when compared to its earnings.
In comparison to its peers, CNA Financial Corp. has a P/E of 14.82 and Unum Group has a P/E of 13.25, both indicating a more attractive valuation relative to Kinsale. Furthermore, Kinsale's recent stock performance has been underwhelming, with a year-to-date return of -16.16%, compared to a positive return of 14.49% for the S&P 500, reinforcing the notion that the stock is overvalued in the current market context.