Is APi Group Corp. overvalued or undervalued?

As of 29 August 2025, the valuation grade for APi Group Corp. has moved from very expensive to expensive, indicating a slight improvement in perceived value but still suggesting overvaluation. The company is considered overvalued, with a P/E ratio of 64, a Price to Book Value of 4.59, and an EV to EBITDA of 20.32.
In comparison to its peers, APi Group Corp. has a significantly higher P/E ratio than MasTec, Inc. at 57.22 and TopBuild Corp. at 24.98, both of which are also categorized as expensive or fair. Notably, the company's recent stock performance shows a year-to-date return of 47.96%, substantially outperforming the S&P 500's return of 12.22% in the same period, which may reflect investor optimism despite the high valuation metrics.