PH vs. RKLB: Parker-Hannifin vs. Rocket Lab Stock Comparison

Company Profile

Parker-Hannifin (PH) and Rocket Lab (RKLB) both fall under the Capital Goods industry group, but PH is classified in Machinery while RKLB is classified in Aerospace & Defense.

Parker-Hannifin (PH) has more than two decades of public-market history since March 17, 1980, whereas Rocket Lab (RKLB) listed on November 24, 2020 and has a much shorter record to draw on.

Price Performance

Cumulative Growth

Trailing Returns

Calendar-Year Returns

Performance Metrics

Risk Profile

Drawdown History

Return Distribution

Risk Metrics

Rocket Lab (RKLB) carries a highly aggressive beta of 3.14, indicating much higher sensitivity to broad-market moves, whereas Parker-Hannifin (PH) is closer to market-like at 1.12 — a noticeable difference in market-sensitivity profile.

Rocket Lab (RKLB) is heavily traded at around 19.51M shares per day, whereas Parker-Hannifin (PH) sees a more moderate 627.57K — larger orders in the latter may require more patience and tighter control over order sizing.

Risk-Adjusted Performance

Risk-Return Positioning

Risk-Adjusted Metrics

Profitability

Rocket Lab (RKLB) reports a negative ROE of -7.92%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile Parker-Hannifin (PH) reports 24.95%, ranking against industry peers normally.

Rocket Lab (RKLB) reports a negative net margin of -21.51%, usually indicating a net loss over the period. Meanwhile Parker-Hannifin (PH) reports 16.62%, ranking against industry peers normally.

Rocket Lab (RKLB) reports a negative operating margin of -24.57%, usually indicating that operating costs exceeded revenue at the operating-income line. Meanwhile Parker-Hannifin (PH) reports 21.90%, ranking against industry peers normally.

Profitability Metrics

Growth

Rocket Lab (RKLB) at 37.96% sits in the top revenue growth quartile, while Parker-Hannifin (PH) at 8.31% is closer to the peer norm — faster top-line expansion for RKLB.

Only one side can be read here: Parker-Hannifin (PH) reports EPS growth of 5.01%, ranked against its industry; Rocket Lab (RKLB) has no EPS growth figure this period.

Growth Metrics

Financial Strength

Rocket Lab (RKLB) at 5.48 carries current ratio above its industry’s typical mid-range, while Parker-Hannifin (PH) at 0.94 runs in the tighter-liquidity quartile — different working-capital profiles, both worth examining.

Rocket Lab (RKLB) at 0.04 keeps leverage in the lower industry quartile, while Parker-Hannifin (PH) at 1.09 runs a more typical debt-to-equity mix.

Financial Strength Metrics

Dividends

Rocket Lab (RKLB) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Parker-Hannifin (PH) reports a yield of 0.85%, ranking against industry peers normally.

Rocket Lab (RKLB) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Parker-Hannifin (PH) reports a payout of 26.11%, ranking against industry peers normally.

Dividend Metrics

Valuation

An earnings multiple is available for just one side: Parker-Hannifin (PH) trades at 31.53 times trailing earnings, ranked against its peers, while Rocket Lab (RKLB) has no P/E ratio this period.

Both look expensive on sales: Parker-Hannifin (PH) at 5.16 sits in the upper P/S ratio quartile, and Rocket Lab (RKLB) at 44.12 prices even higher, above its industry range.

Both Parker-Hannifin (PH) at 7.25 and Rocket Lab (RKLB) at 9.09 carry a premium to book value versus peers, sitting in the upper P/B ratio quartile of their industries.

Valuation Metrics