— Know what they know.
Not Investment Advice
Also trades as: CSAN (NYSE) · $vol 7M

CSAN3.SA SAO

Cosan S.A.
1W: -11.6% 1M: -20.4% 3M: -33.4% YTD: -30.3% 1Y: -43.3% 3Y: -67.7% 5Y: -79.5%
R$4.30 ($0.86)
+0.17 (+4.12%)
 
Weekly Expected Move ±6.3%
R$4 R$4 R$4 R$5 R$5
SAO · Energy · Oil & Gas Refining & Marketing · Alpha Radar Strong Sell · Power 28 · R$8.0B mcap · 1.04B float · 3.72% daily turnover
May Typical
☀️
Sunny
+9.1% YTD avg
Midterm Year
☀️
Sunny
+24.4% YTD avg
2026 Now
⛈️
Stormy
Below typical
20yr Avg YTD
+9.1%
Day 66 of 252
Midterm Year YTD
+24.4%
Presidential cycle avg
2026 YTD
-29.3%
Below 20yr avg
Typical Vol
40%
Annualized
Monthly Weather Forecast
Jan
20yr
💨
+4.9%
Midterm
☀️
+6.0%
42% win 43% vol
Feb
20yr
💨
+6.2%
Midterm
☀️
+11.2%
35% win 42% vol
Mar
20yr
⛈️
+6.7%
Midterm
☀️
+20.1%
35% win 46% vol
Apr
20yr
💨
+9.2%
Midterm
☀️
+21.3%
55% win 44% vol
May
20yr
🌫️
+10.3%
Midterm
☀️
+16.6%
52% win 40% vol
Now: -14.5%
Jun
20yr
⛈️
+9.7%
Midterm
☀️
+14.2%
55% win 36% vol
Jul
20yr
+12.7%
Midterm
☀️
+18.4%
70% win 32% vol
Aug
20yr
⛈️
+10.3%
Midterm
☀️
+12.8%
35% win 40% vol
Sep
20yr
💨
+21.4%
Midterm
☀️
+64.7%
55% win 165% vol
Oct
20yr
💨
+23.7%
Midterm
☀️
+70.9%
50% win 47% vol
Nov
20yr
💨
+25.8%
Midterm
☀️
+71.9%
60% win 46% vol
Dec
20yr
💨
+2.0%
Midterm
💨
+1.6%
55% win 36% vol
Seasonality (20yr)
Updated: 2026-05-20
YTD: -29.3%

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms