Cosan (CSAN) Reserve Replacement Ratio %

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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
69 GF Score
Price $2.54
GF Value $3.27
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Cosan Reserve Replacement Ratio %?

Reserve Replacement Ratio % only apply to companies which has operating data in Oil Gas industry.

CSAN
69GF Score
Cosan SA CSAN
Reserve Replacement Ratio % is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Cosan (CSAN) Overvalued in 2026?

Based on GuruFocus' analysis, Cosan stock appears to be undervalued. The current stock price of $2.54 is trading 22.3% below its estimated GF Value™ of $3.27. GuruFocus considers Cosan to be Modestly Undervalued.

Key valuation signals for CSAN:

  • Reserve Replacement Ratio %:
  • GF Value™: $3.27 vs. price of $2.54 (22.3% below fair value)
  • GF Score™: 69/100 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.
69GF Score

Get the complete analysis for CSAN

Reserve Replacement Ratio % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$2.54
Price
$3.27
GF Value