Is Parker-Hannifin Corp. overvalued or undervalued?

As of 28 November 2025, the valuation grade for Parker-Hannifin Corp. moved from fair to attractive, indicating a positive shift in its valuation outlook. The company appears to be undervalued, supported by 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, Parker-Hannifin's P/E ratio is lower than GE Aerospace's 136.79 and higher than Trane Technologies' 35.38, suggesting it is competitively positioned within the industry.
Parker-Hannifin has outperformed the S&P 500 over multiple periods, with a year-to-date return of 35.48% compared to the S&P 500's 16.45%, reinforcing the attractiveness of its current valuation.