Is TransUnion overvalued or undervalued?

As of 17 October 2025, the valuation grade for TransUnion has moved from attractive to expensive, indicating a shift in perception regarding its market value. The company appears overvalued based on its current metrics, with a P/E ratio of 36, a Price to Book Value of 3.94, and an EV to EBITDA of 15.50. In comparison, MSCI, Inc. has a significantly higher P/E ratio of 62.31, suggesting that TransUnion's valuation is relatively high within its peer group.
TransUnion's recent performance has been underwhelming, with a year-to-date return of -15.45%, while the S&P 500 has gained 13.30% over the same period. This stark contrast reinforces the notion that the stock may be overvalued, as it has not kept pace with broader market trends. Overall, the combination of high valuation ratios and poor stock performance suggests that TransUnion is currently overvalued.