Is S&P Global, Inc. overvalued or undervalued?

As of 29 April 2025, S&P Global, Inc. has moved from a fair to an expensive valuation grade, indicating that the stock is overvalued. The company's P/E ratio stands at 42, which is significantly higher than the industry average of approximately 40.1, while its EV to EBITDA ratio is 27.64, also above the peer average of 26.71. Additionally, the PEG ratio of 1.11 suggests that the stock may not be justified at its current price given its growth prospects.
In comparison to its peers, Moody's Corp. has a much higher P/E ratio of 69.19, while Equifax, Inc. is even more expensive at 75.23, indicating that S&P Global is relatively more attractively priced than these competitors despite its own expensive valuation. Furthermore, while S&P Global has outperformed the S&P 500 over the past year with a return of 17.16% compared to 10.26%, the overall valuation metrics suggest that the stock is currently overvalued in the market.