Is TransUnion overvalued or undervalued?

As of 19 September 2025, the valuation grade for TransUnion moved from expensive to fair, indicating a more favorable assessment of its value. The company appears to be fairly valued 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 higher P/E ratio of 62.31 and an EV to EBITDA of 42.54, suggesting that TransUnion is more attractively priced relative to its peer.
Despite the fair valuation, TransUnion has underperformed against the S&P 500 across multiple periods, with a year-to-date return of -5.36% compared to the S&P 500's 13.31%. This trend continues over one year, where TransUnion's return is -16.55% versus the S&P 500's 16.64%, and over five years, it shows a modest 6.93% return compared to the S&P 500's impressive 100.77%.