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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Rocket Lab has the GF Score of 71, which implies that the company
is
Likely to have average performance.
The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.
GF Score takes following five key aspects into consideration:
Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.
Based on research and backtesting result, GuruFocus believes Rocket Lab
is
Likely to have average performance.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
Rocket Lab (NAS:RKLB) GF Score Explanation
Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:
GF Score
Performance Potential and All-in-One Screener Examples (1)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
Rocket Lab GF Score Related Terms
RKLB vs LHX, HEI.A, AXON: GF Score Comparison
For the Aerospace & Defense subindustry, Rocket Lab's GF Score, along with its competitors' market caps and GF Score data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Rocket Lab GF Score vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Rocket Lab's GF Score distribution charts can be found below:
* The bar in red indicates where Rocket Lab's GF Score falls into.
Rocket Lab (RKLB) has a GF Score of 71 as of Jul. 20, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Rocket Lab and its competitors. This is 238% above median its historical median of 21.00. Over the past decade, Rocket Lab's GF Score has ranged from 16.00 to 74.00.
Is Rocket Lab's GF Score too high?
Rocket Lab's current GF Score of 71 is 238% above median its 10-year median of 21.00. Over the past 10 years, this metric has ranged from a low of 16.00 to a high of 74.00. Overall, Rocket Lab has a GF Score™ of 71/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Rocket Lab's GF Score compare to LHX and HEI.A?
Rocket Lab's GF Score of 71 can be compared against companies in the Aerospace & Defense industry. Historically, Rocket Lab's own GF Score has ranged from 16.00 to 74.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for an Aerospace & Defense company?
A good GF Score depends on the Aerospace & Defense industry context. However, GF Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Rocket Lab and its competitors. Rocket Lab's current GF Score is 71, which is 238% above median its own 10-year median of 21.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rocket Lab stock overvalued right now?
Based on GuruFocus' analysis, Rocket Lab (RKLB) is currently considered Significantly Overvalued. The stock's GF Value™ is $27.11, compared to a current price of $65.83 — trading 142.8% above its estimated fair value. The current GF Score is 71, which is 238% above median its 10-year median of 21.00. Rocket Lab's overall GF Score™ is 71/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For Rocket Lab (RKLB), the current GF Score is 71 as of Jul. 20, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Rocket Lab (RKLB) Overvalued in 2026?
Based on GuruFocus' analysis, Rocket Lab stock appears to be overvalued.
The current stock price of $65.83 is trading 142.8% above its estimated GF Value™ of $27.11.
GuruFocus considers Rocket Lab to be Significantly Overvalued.
Key valuation signals for RKLB:
GF Score: 71 (238% above median its 10-year median of 21.00)
GF Value™: $27.11 vs. price of $65.83 (142.8% above fair value)
No single metric tells the full story. See the RKLB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rocket Lab Corp is engaged in space, building rockets, and spacecraft. It provides end-to-end mission services that provide frequent and reliable access to space for civil, defense, and commercial markets. It designs and manufactures the Electron and Neutron launch vehicles and Photon satellite platform. Rocket Lab's Electron launch vehicle has delivered multiple satellites to orbit for private and public sector organizations, enabling operations in national security, scientific research, space debris mitigation, Earth observation, climate monitoring, and communications. The business operates in two segments Launch Services and Space Systems. Geographically it serves Japan, and rest of the world and earns key revenue from the United States.
71GF Score
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