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

As of 17 October 2025, the valuation grade for S&P Global, Inc. moved from fair to expensive, indicating that the stock is overvalued. Key valuation ratios include a P/E ratio of 42, a Price to Book Value of 5.60, and an EV to EBITDA of 27.64. Compared to peers, S&P Global, Inc. has a higher P/E ratio than Moody's Corp., which stands at 73.62, but is lower in EV to EBITDA, where Moody's is at 49.32.
The company's recent performance has been lackluster, with a year-to-date return of -4.99% compared to the S&P 500's 13.30%, reflecting a significant underperformance. Overall, S&P Global, Inc. appears to be overvalued based on its current valuation metrics and peer comparisons.