Companhia de Saneamento de Minas Gerais (CSMG3)
B3 Stock Exchange · Brazil · prices in BRL · close of 23 Oct 2026
Key indicators
| Last close | BRL 64.58 |
|---|---|
| 52-week range | 36.00 – 67.82 |
| Return, 1 month / 3 months | +14.2% / +1.0% |
| Return, 1 year / 3 years | +84.3% / +420.5% |
| Trend | Uptrend |
| RSI (14) | 65 |
| Volatility (1 year) | 33.2% |
| Worst drawdown (1 year) | -20.9% |
| Average daily value traded | 272.67M BRL |
| Dividend yield | 2.7% |
Market X-Ray price-based
Five-year price chart navy: price · brown: 200-day average
About the company
Companhia de Saneamento de Minas Gerais, commonly called Copasa, is a water and sanitation utility based in the Brazilian state of Minas Gerais. It supplies treated water and collects and treats sewage for households, businesses and public bodies in the municipalities it serves, mainly within that state. Its operations centre on building and maintaining the pipes, pumps and treatment plants that deliver drinking water and handle wastewater for its customers.
On this site Companhia de Saneamento de Minas Gerais appears as a stock on the B3 Stock Exchange (Brazil), code CSMG3, with prices in Brazilian reais (BRL). Our dividend records, which start in 2019, show payments in 8 different calendar years. The Market X-Ray on this page is price-based and compares it with other stocks on the same exchange; it does not measure how healthy the business is.
Summary
Companhia de Saneamento de Minas Gerais (CSMG3) trades on the B3 Stock Exchange in Brazil. It last closed at BRL 64.58 on 23 October 2026.
Its price-based Market X-Ray is 70 out of 100 (a fair price profile), ranking 154 of 1,455 stocks on this exchange. The score describes how the stock has traded: trend, momentum, risk, liquidity and dividends, each ranked against the other stocks on its own exchange. It does not measure how healthy or cheap the business is.
Over the last year the price rose 84.3% and over the last three months it rose 1.0%. Returns are price returns, dividends not included.
Fundamental measures (valuation, growth, financial health) are not shown: we do not yet hold financial statements for this market.
The five lenses in numbers each metric is ranked against the other stocks on B3 Stock Exchange
| Lens and metric | Value | Score | Reading |
|---|---|---|---|
| Trend | 72 · Strong | Trading above its long-term averages and near its highs. | |
| Above 200-day average | 15.7% | ||
| From 52-week high | -4.3% | ||
| Momentum | 68 · Fair | Typical recent returns for this exchange. | |
| 3-month return | 1.0% | ||
| 6-month return | 14.9% | ||
| 12-month return, skipping the last month | 61.3% | ||
| Stability (higher is calmer) | 68 · Fair | Typical risk for this exchange. | |
| Volatility, 1 year (lower is calmer) | 33.2% | ||
| Worst drawdown, 1 year (smaller is calmer) | -20.9% | ||
| Liquidity | 98 · Strong | Trades actively. | |
| Average daily value traded | 272.67M BRL | ||
| Zero-volume days | 0.0% | ||
| Income | 31 · Weak | Dividend is small or irregular. | |
| Dividend yield | 2.7% | ||
| Years with dividends | 5 |
Strengths
- Trend: Trading above its long-term averages and near its highs.
- Liquidity: Trades actively.
Weak spots
- Income: Dividend is small or irregular.
Returns
| 1 week | +4.8% |
|---|---|
| 1 month | +14.2% |
| 3 months | +1.0% |
| 6 months | +14.9% |
| 1 year | +84.3% |
| 3 years | +420.5% |
| 5 years | +620.5% |
Signals
| 50-day / 200-day average | 57.60 / 55.82 |
|---|---|
| Golden / death cross (60 days) | None |
| New 52-week high | No |
| Bullish RSI divergence | No |
| Average daily range (ATR) | 2.23 |
Technical summary
Recent dividends
| Ex-dividend date | Amount per share |
|---|---|
| 23 Jun 2026 | BRL 0.3759 |
| 23 Mar 2026 | BRL 0.4684 |
| 6 Mar 2026 | BRL 0.0018 |
| 22 Dec 2025 | BRL 0.3641 |
| 16 Dec 2025 | BRL 0.5338 |
| 22 Sep 2025 | BRL 0.4476 |
How to read this report
Every number comes from end-of-day prices and dividends. The Market X-Ray describes how the stock has traded, ranked against the other stocks on B3 Stock Exchange; it does not measure how healthy or cheap the business is. The fundamental X-Ray (financial health, valuation, growth) needs financial statements, which we hold today for US stocks. See the methodology page. Educational only, not financial advice.