Rocket LabXSWX:RKLB 71 PB Ratio is 22.28 as of Jul. 04, 2026, which is 287% above its 10-year median of 5.76. GuruFocus rates XSWX:RKLB with a GF Score™ of 71/100 and a GF Value™ of CHF21.59. The stock has 1 warning sign investors should review. Among 339 Aerospace & Defense companies, Rocket Lab ranks worse than 97.94% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-04), Rocket Lab's share price is CHF81.13. Rocket Lab's Book Value per Share for the quarter that ended in Mar. 2026 was CHF3.64. Hence, Rocket Lab's PB Ratio of today is 22.28.
The historical rank and industry rank for Rocket Lab's PB Ratio or its related term are showing as below:
XSWX:RKLB'
s PB Ratio Range Over the Past 10 Years
Min: 2.5 Med: 5.76 Max: 41.97
Current: 27.58
During the past 6 years, Rocket Lab's highest PB Ratio was 41.97. The lowest was 2.50. And the median was 5.76.
XSWX:RKLB's PB Ratio is ranked worse than 97.94% of 339
companies
in the Aerospace & Defense industry
Industry Median: 3.9
vs XSWX:RKLB: 27.58
During the past 12 months, Rocket Lab's average Book Value Per Share Growth Rate was 332.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 27.30% per year.
During the past 6 years, the highest 3-Year average Book Value Per Share Growth Rate of Rocket Lab was 27.30% per year. The lowest was -21.20% per year. And the median was 3.05% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Rocket Lab PB Ratio Related Terms
Rocket Lab PB Ratio Historical Data
* Premium members only.
The historical data trend for Rocket Lab's PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Aerospace & Defense subindustry, Rocket Lab's PB Ratio, along with its competitors' market caps and PB Ratio 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 PB Ratio vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Rocket Lab's PB Ratio distribution charts can be found below:
* The bar in red indicates where Rocket Lab's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Rocket Lab's PB Ratio for today is calculated as follows:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Rocket Lab (XSWX:RKLB) has a PB Ratio of 22.28 as of Jul. 04, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Rocket Lab and its competitors. This is 287% above median its historical median of 5.76. Over the past decade, Rocket Lab's PB Ratio has ranged from 2.50 to 41.97. According to the industry distribution chart, Rocket Lab ranks #332 out of 339 companies in the Aerospace & Defense industry, placing it in the top 97.9%.
Is Rocket Lab's PB Ratio too high?
Rocket Lab's current PB Ratio of 22.28 is 287% above median its 10-year median of 5.76. Over the past 10 years, this metric has ranged from a low of 2.50 to a high of 41.97. The Aerospace & Defense industry median PB Ratio is 3.90. Rocket Lab's value of 22.28 is 471.3% above this industry median. Based on the distribution chart, Rocket Lab ranks #332 out of 339 companies in the Aerospace & Defense industry, which is in the bottom quartile relative to peers. Overall, Rocket Lab has a GF Score™ of 71/100, reflecting its overall financial health beyond just this single metric.
How does Rocket Lab's PB Ratio compare to ?
According to the Aerospace & Defense industry distribution chart, Rocket Lab ranks #332 out of 339 companies for PB Ratio. This places Rocket Lab in the lower half of its industry. The industry median PB Ratio is 3.90. Rocket Lab's value of 22.28 is 471.3% above this benchmark. Historically, Rocket Lab's own PB Ratio has ranged from 2.50 to 41.97 over the past decade. While the company's 10-year median is 5.76 vs. the industry median of 3.90, Rocket Lab has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for an Aerospace & Defense company?
The median PB Ratio among Aerospace & Defense companies is 3.90, based on 339 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Rocket Lab's current PB Ratio of 22.28 is 471.3% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Rocket Lab and its competitors. For the Aerospace & Defense industry, the median PB Ratio is 3.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rocket Lab's current PB Ratio is 22.28, which is 287% above median its own 10-year median of 5.76. 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?
Rocket Lab (XSWX:RKLB) has a current PB Ratio of 22.28. The stock's GF Value™ is CHF21.59, compared to a current price of CHF81.13 — trading 275.8% above its estimated fair value. The current PB Ratio is 22.28, which is 287% above median its 10-year median of 5.76 and 471.3% above the Aerospace & Defense industry median of 3.90. 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 PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Rocket Lab (XSWX:RKLB), the current PB Ratio is 22.28 as of Jul. 04, 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 (XSWX:RKLB) Overvalued in 2026?
Based on GuruFocus' analysis, Rocket Lab stock appears to be overvalued.
The current stock price of CHF81.13 is trading 275.8% above its estimated GF Value™ of CHF21.59.
Key valuation signals for XSWX:RKLB:
PB Ratio: 22.28 (287% above median its 10-year median of 5.76)
GF Value™: CHF21.59 vs. price of CHF81.13 (275.8% above fair value)
Industry Position: 471.3% above the Aerospace & Defense median (#332 of 339)
No single metric tells the full story. See the XSWX: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
Get the complete analysis for XSWX:RKLB
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
XSWX:RKLB has been successfully added to your 
