Is TransUnion overvalued or undervalued?

As of 10 October 2025, the valuation grade for TransUnion has moved from expensive to fair. Based on the current metrics, the company appears to be fairly valued. Key ratios include a P/E ratio of 36, an EV to EBITDA of 15.50, and a PEG ratio of 1.75. In comparison, MSCI, Inc. has a significantly higher P/E ratio of 62.31 and an EV to EBITDA of 42.54, indicating that TransUnion is more attractively priced relative to its peer.
Despite its fair valuation, TransUnion has underperformed against the S&P 500, with a year-to-date return of -16.19% compared to the index's 11.41%. Over the last three years, however, it has achieved a return of 36.77%, though this is still significantly lower than the S&P 500's 81.39% return during the same period.