Is ABM Industries, Inc. overvalued or undervalued?

As of 7 November 2025, the valuation grade for ABM Industries, Inc. moved from very expensive to expensive, indicating a shift towards a less favorable valuation outlook. The company appears to be overvalued based on its current metrics, with a P/E ratio of 12, a Price to Book Value of 1.63, and an EV to EBITDA of 8.33. In comparison, peers such as Air Lease Corp. have a P/E of 16.14 and ExlService Holdings, Inc. boasts a significantly higher P/E of 31.10, further highlighting ABM's relative overvaluation.
The stock has underperformed against the S&P 500, with a year-to-date return of -18.03% compared to the S&P 500's 14.40%, and a one-year return of -26.35% against the index's 12.65%. This performance reinforces the notion that ABM Industries, Inc. is currently overvalued in the market.