Cosan (CSAN) 3-Year Book Growth Rate: -50.50% (As of Jun. 2026)

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Director of Data and Quant Analytics at GuruFocus
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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.

CSAN Cosan SA CSAN
70 GF Score
Price $2.90
GF Value $3.31
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Cosan 3-Year Book Growth Rate?

Cosan CSAN -1.36% 70 3-Year Book Growth Rate is -50.50% as of Jun. 2026. GuruFocus rates CSAN with a GF Score™ of 70/100 and a GF Value™ of $3.31 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 914 Oil & Gas companies, Cosan ranks worse than 97.05% on this metric.

Cosan's Book Value per Share for the quarter that ended in Jun. 2026 was $0.98.

During the past 12 months, Cosan's average Book Value per Share Growth Rate was -67.40% per year. During the past 3 years, the average Book Value per Share Growth Rate was -50.50% per year. During the past 5 years, the average Book Value per Share Growth Rate was -14.80% per year. During the past 10 years, the average Book Value per Share Growth Rate was -3.10% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.

During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of Cosan was 95.00% per year. The lowest was -50.50% per year. And the median was 7.00% per year.


Cosan  (NYSE:CSAN) 3-Year Book Growth Rate Explanation

Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.


Cosan 3-Year Book Growth Rate Related Terms


CSAN vs MPC, VLO, PSX: 3-Year Book Growth Rate Comparison

For the Oil & Gas Refining & Marketing subindustry, Cosan's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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.


Cosan 3-Year Book Growth Rate vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Cosan's 3-Year Book Growth Rate distribution charts can be found below:

* The bar in red indicates where Cosan's 3-Year Book Growth Rate falls into.


CSAN
70GF Score
Cosan SA CSAN
3-Year Book Growth Rate is just one metric. See GF Score™, valuation, warning signs, and more.
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Cosan 3-Year Book Growth Rate Calculation

This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.

What does a 3-Year Book Growth Rate of -50.50% mean?
Cosan (CSAN) has a 3-Year Book Growth Rate of -50.50% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Cosan and its competitors. According to the industry distribution chart, Cosan ranks #887 out of 914 companies in the Oil & Gas industry, placing it in the top 97%.
Is Cosan's 3-Year Book Growth Rate too high?
Cosan's current 3-Year Book Growth Rate is -50.50%. Based on the distribution chart, Cosan ranks #887 out of 914 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Cosan has a GF Score™ of 70/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Cosan's 3-Year Book Growth Rate compare to MPC and VLO?
According to the Oil & Gas industry distribution chart, Cosan ranks #887 out of 914 companies for 3-Year Book Growth Rate. This places Cosan in the lower half of its industry. The industry median 3-Year Book Growth Rate is 2.90. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for an Oil & Gas company?
The median 3-Year Book Growth Rate among Oil & Gas companies is 2.90, based on 914 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Cosan and its competitors. For the Oil & Gas industry, the median 3-Year Book Growth Rate is 2.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Cosan's current 3-Year Book Growth Rate is -50.50%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Cosan stock overvalued right now?
Based on GuruFocus' analysis, Cosan (CSAN) is currently considered Modestly Undervalued. The stock's GF Value™ is $3.31, compared to a current price of $2.90 — trading 12.4% below its estimated fair value. The current 3-Year Book Growth Rate is -50.50%. Cosan's overall GF Score™ is 70/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Cosan (CSAN), the current 3-Year Book Growth Rate is -50.50% as of Jun. 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 Cosan (CSAN) Overvalued in 2026?

Based on GuruFocus' analysis, Cosan stock appears to be undervalued. The current stock price of $2.90 is trading 12.4% below its estimated GF Value™ of $3.31. GuruFocus considers Cosan to be Modestly Undervalued.

Key valuation signals for CSAN:

  • 3-Year Book Growth Rate: -50.50%
  • GF Value™: $3.31 vs. price of $2.90 (12.4% below fair value)
  • GF Score™: 70/100 with 3 warning signs

No single metric tells the full story. See the CSAN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Cosan Business Description

Industry EnergyOil & Gas
Other Exchanges 9CI0:GermanyCSAN3:Brazil
Address Avenue Brigadeiro Faria Lima, 4100 / 15th Floor Itaim Bibi, Sao Paulo, SP, BRA, 04538-132
Cosan SA engages in several services throughout the energy and logistics sectors. Its reportable segments are Raizen, Compass, Moove, Rumo, and Radar. It generates the majority of its revenue from Raizen which operates in the production, commercialization, origination, and trading of ethanol, bioenergy, resale, and trading of electricity, renewable sources, marketing, origination, and trading of sugar and fuels, and lubricant.
70GF Score

Get the complete analysis for CSAN

3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$2.90
Price
$3.31
GF Value