Is TransUnion overvalued or undervalued?

As of 17 October 2025, the valuation grade for TransUnion has moved from attractive to expensive, indicating a shift towards overvaluation. The company appears overvalued based on its P/E ratio of 36, which is higher than the industry average, and an EV to EBITDA ratio of 15.50, which also suggests a premium valuation compared to peers. Additionally, the PEG ratio stands at 1.75, further reinforcing the notion that the stock may be overvalued given its growth prospects.
In comparison to its peers, TransUnion's P/E ratio of 36 is significantly lower than MSCI, Inc.'s 62.31, but its EV to EBITDA ratio of 15.50 is more favorable than MSCI's 42.54, indicating a mixed competitive positioning. Notably, TransUnion has underperformed against the S&P 500 over multiple periods, with a year-to-date return of -15.45% compared to the S&P 500's 13.30%, which adds to the case for its current overvaluation.