CSAN3

Cosan S.A. — AI technical analysis, October 2026
B3 (Brazil)
Technical Signal
BUY
Technical score 79/100
Last price: R$ 5.40  ·  52W range R$ 3.09 – R$ 6.90
Short answer

Should you buy CSAN3 right now? Stockgaide's algorithm rates CSAN3 as BUY (technical signal), with a technical score of 79/100 at a last price of R$ 5.40. The 50-day average is below the 200-day average, and RSI sits at 86.6.

Technical signal details

Rule-based read from price and momentum indicators only — the score behind the technical signal above. Technical score: 79/100 (BUY).

Technical indicators

RSI (14)
86.6
SMA 50
3.82
SMA 200
4.63
MACD hist
0.160

Fundamentals & Wall Street

Market Cap
R$ 19.99B
P/E (TTM)
—
Dividend Yield
—
Analyst Consensus
—

CSAN3 stock: frequently asked questions

Is CSAN3 a buy right now?

Stockgaide's AI currently rates CSAN3 as BUY (technical signal), with a technical score of 79 out of 100 at a last price of R$ 5.40. This is educational content, not investment advice.

Is CSAN3 in an uptrend?

CSAN3's 50-day moving average (3.82) is below its 200-day moving average (4.63), which points to a medium-term downtrend.

What is CSAN3's RSI today?

CSAN3 has a 14-day RSI of 86.6, which places it in overbought territory (above 70 is overbought, below 30 is oversold).

Where is CSAN3 trading in its 52-week range?

CSAN3 last traded at R$ 5.40, against a 52-week range of R$ 3.09 to R$ 6.90 — about 61% of the way up that range.

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Data updated Oct 9, 2026 · refreshed daily