Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Cosan S.A. before investing.

In this article, we go over a few key elements for understanding Cosan S.A.’s stock price such as:

• Cosan S.A.’s current stock price and volume
• Why Cosan S.A.’s stock price changed recently
• Upgrades and downgrades for CSAN from analysts
• CSAN’s stock price momentum as measured by its relative strength

About Cosan S.A. (CSAN)

Before we jump into Cosan S.A.’s stock price, history, target price and what caused it to recently rise, let’s take a look at some background.

Cosan S.A. engages in the fuel distribution business. It operates through Raízen, Compass, Moove, Rumo, and Radar segments. The company’s Raízen segment engages in the production, marketing, origination, and trading of sugar, as well as ethanol; production and marketing of bioenergy, and solar energy and biogas; trading and resale of electricity; and trading and marketing of fossil, renewable fuels, and lubricants under the Shell brand. Its Compass segment distributes piped natural gas to industrial, residential, commercial, automotive, and cogeneration customers; and marketing of natural gas. The company’s Moove segment produces, formulates, and distributes lubricants, base oils, and specialties under the Mobil brand and various proprietary brands for industrial, commercial, and passenger vehicles. Its Rumo segment provides logistics services for rail transportation, storage, and port loading of commodities, including grains and sugar; locomotive and railcar leasing; and rail equipment and container operations. The company’s Radar segment manages agricultural property. The company operates in Brazil, England, France, Spain, Portugal, Argentina, Bolivia, Uruguay, Paraguay, Singapore, United Arab Emirates, Oceania, the United States, Latin America, Europe, Asia, and internationally. Cosan S.A. was founded in 1936 and is headquartered in São Paulo, Brazil.

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Cosan S.A.’s Stock Price as of Market Close

As of July 31, 2026, 4:00 PM, CST, Cosan S.A.’s stock price was $3.220.

Cosan S.A. is up 1.9% from its previous closing price of $3.160.

During the last market session, Cosan S.A.’s stock traded between $3.045 and $3.250. Currently, there are approximately 750.70 million shares outstanding for Cosan S.A..

Cosan S.A.’s trailing earnings per share are negative, so the stock does not have a meaningful P/E ratio. We suggest investors evaluate other financial metrics to understand its overall valuation.

Cosan S.A. Stock Price History

Cosan S.A.’s (CSAN) price is currently up 11.81% so far this month.

During the month of July, Cosan S.A.’s stock price has reached a high of $3.250 and a low of $2.713.

Over the last year, Cosan S.A. has hit prices as high as $6.005 and as low as $2.520. Year to date, Cosan S.A.’s stock is down 18.48%.

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What Caused Cosan S.A. Stock’s Price to Rise?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of July 31, 2026, there were analysts who downgraded Cosan S.A.’s stock and analysts who upgraded over the last month.

Additionally, you'll want to evaluate Cosan S.A.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Cosan S.A.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Cosan S.A.’s current valuation based on AAII’s Value Grade is a D, which means it is considered to be Expensive.

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Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Cosan S.A. (CSAN) by visiting AAII Stock Evaluator.

Relative Price Strength of Cosan S.A.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of July 31, 2026, Cosan S.A. has a weighted four-quarter relative price strength of -12.50%, which translates to a Momentum Score of 20 and is considered to be Very Weak.

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Cosan S.A. Stock Price: Bottom Line

As of July 31, 2026, Cosan S.A.’s stock price is $3.220, which is up 1.9% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Cosan S.A. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

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