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

As of 31 October 2025, the valuation grade for S&P Global, Inc. moved from very expensive to expensive, indicating a shift in its perceived value. The company is currently considered overvalued based on its valuation ratios, which include a P/E ratio of 42, a Price to Book Value of 5.60, and an EV to EBITDA of 27.64. In comparison, Moody's Corp. has a higher P/E of 73.62 and an EV to EBITDA of 49.32, both of which reinforce the expensive nature of S&P Global's valuation relative to its peers.
Despite its strong performance in the capital markets industry, S&P Global's recent stock returns have lagged behind the S&P 500, with a year-to-date return of -2.17% compared to the S&P 500's 16.30%. This underperformance, along with the high valuation ratios, suggests that S&P Global may not be an attractive investment at its current price.