Rocket Lab USA, Inc. (RKLB) P/E Ratio History
Historical price-to-earnings valuation from 2026 to 2026
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RKLB Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, Rocket Lab USA, Inc. (RKLB) trades at a price-to-earnings ratio of -212.4x, with a stock price of $78.58 and trailing twelve-month earnings per share of $-0.30.
Compared to the Industrials sector median P/E of 25.5x, RKLB trades at a 932% discount to its sector peers. The sector includes 413 companies with P/E ratios ranging from 0.0x to 185.3x.
Relative to the broader market, RKLB trades at a notable discount to the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our RKLB DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
RKLB P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $182B | 93.2 | - | +114%Best | |
| $118B | 23.8 | - | -4% | |
| $78B | 19.0Lowest | 2.15Best | +3% | |
| $238B | 35.6 | - | +40% | |
| $94B | 22.5 | 3.19 | +13% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
Full RKLB Stock Analysis
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Start ComparisonRKLB — Frequently Asked Questions
Quick answers to the most common questions about buying RKLB stock.
Is RKLB stock overvalued or undervalued?
RKLB current P/E: -212.4x. 5-year average P/E: N/A. Percentile: N/A.
How does RKLB's valuation compare to peers?
Rocket Lab USA, Inc. P/E of -212.4x compares to sector median of 25.5x. The discount suggests lower growth expectations or higher risk.
What is RKLB's PEG ratio?
RKLB PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 2026-2026.