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 perception regarding its valuation. The company appears to be overvalued based on its current metrics, with a P/E ratio of 42, a Price to Book Value of 5.60, and an EV to EBITDA ratio of 27.64. In comparison, Moody's Corp., another peer in the capital markets industry, has a significantly higher P/E ratio of 73.62, highlighting that S&P Global, while expensive, is relatively more attractive than some of its peers.
The stock has underperformed against the S&P 500 in the year-to-date period, returning -2.17% compared to the S&P 500's 16.30%, which reinforces the notion of overvaluation. Given these factors, S&P Global, Inc. is currently overvalued in the market.