Is Parker-Hannifin Corp. overvalued or undervalued?

As of 28 November 2025, the valuation grade for Parker-Hannifin Corp. has moved from fair to attractive, indicating a shift towards being undervalued. The company appears to be undervalued based on its strong performance metrics, including a P/E ratio of 35, an EV to EBITDA ratio of 26.11, and a PEG ratio of 1.57. In comparison to peers, GE Aerospace is considered expensive with a P/E of 136.79, while Trane Technologies Plc is fairly valued with a P/E of 35.38.
Parker-Hannifin Corp. has demonstrated robust returns, outperforming the S&P 500 with a year-to-date return of 35.48% compared to the index's 16.45%. This performance, along with the attractive valuation metrics, supports the conclusion that the company is currently undervalued in the market.