B3 Stock Exchange · Brazil · Updated after 23 Oct 2026 close

Companhia de Saneamento de Minas Gerais

CSMG3 · B3 Stock Exchange · prices in BRL

BRL 64.58▲ +2.97 (4.82%)

Research report Historical data

About Companhia de Saneamento de Minas Gerais

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.

Market X-Ray · price-based

Fair price profile

Ranks #154 of 1455 on the B3 Stock Exchange · confidence High

What this score is, and is not

It describes how this 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. That fundamental X-Ray needs financial statements, which we do not have for Brazil yet.

TrendStrong

72/100

Trading above its long-term averages and near its highs.

See the numbers →

Above 200-day average15.7%

From 52-week high-4.3%

MomentumFair

68/100

Typical recent returns for this exchange.

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3-month return1.0%

6-month return14.9%

12-month, skipping last month61.3%

Stability (higher is calmer)Fair

68/100

Typical risk for this exchange.

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Volatility, 1 year (lower is calmer)33.2%

Worst drawdown, 1 year (smaller is calmer)-20.9%

LiquidityStrong

98/100

Trades actively.

See the numbers →

Avg daily value traded272.67M BRL

Zero-volume days0.0%

IncomeWeak

31/100

Dividend is small or irregular.

See the numbers →

Dividend yield2.7%

Years with dividends5

Price-based X-Ray. The fundamental X-Ray (financial health, valuation, growth, fair value) is available for US stocks today. It will follow for Brazil when fundamentals data for this market is added. All Brazil stocks.

Price trend

Uptrend

Versus its 50- and 200-day averages

52-week range

36.00 – 67.82

Price is 90% of the way up

Returns

+1.0% 3m · +84.3% 1y

Price returns, dividends not included

RSI (14)

Neutral zone

Price chart

Interactive chart Historical data & CSV

52-wk range 36.00 – 67.82 Daily closes, split-adjusted

Signals

50-day average57.60

200-day average55.82

Golden/death cross (60d)None

New 52-week highNo

Bullish RSI divergenceNo

Average daily range (ATR)2.23

Technical summary

Daily

Strongly bullish

12 bullish · 1 neutral · 3 bearish

Weekly

Strongly bullish

11 bullish · 1 neutral · 0 bearish

Monthly

Strongly bullish

7 bullish · 0 neutral · 1 bearish

Moving averages (daily)

SMA 10	62.80	Bullish
EMA 10	62.14	Bullish
SMA 20	59.77	Bullish
EMA 20	60.60	Bullish
SMA 50	57.60	Bullish
EMA 50	59.13	Bullish
SMA 100	59.11	Bullish
EMA 100	57.99	Bullish
SMA 200	55.82	Bullish
EMA 200	53.86	Bullish

Oscillators (daily)

RSI (14)	65.05	Neutral
MACD (12, 26)	1.73	Bullish
Momentum (12)	14.69	Bullish
Stochastic %K (14)	84.60	Bearish
Williams %R (14)	-15.40	Bearish
CCI (20)	101.5	Bearish

Pivot points (classic, last session)

61.27

62.12

63.35

Pivot

64.20

65.43

66.28

67.51

Signals describe what the chart is doing, not what to do. Moving averages: price above the average is bullish. Oscillators use the usual thresholds (RSI 30/70, Stochastic 20/80, CCI ±100, Williams %R −80/−20; MACD and momentum above zero are bullish). Weekly and monthly views use closing prices only.

Dividends

Paid, last 12 months

1.74 BRL

Yield on today's price

2.70%

Frequency

Quarterly

Next ex-dividend date

Not announced

Tap a dividend date to compare the dividend yield on that day with today's.

Ex-dividend date	Amount per share
	0.3759
This payment: 0.3759 BRL per share, ex-dividend 23 Jun 2026. On 23 Jun 2026 3.72% Share price that day 58.85 BRL. Dividends in the 12 months up to that day: 2.19 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338 + 0.4476). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.4684
This payment: 0.4684 BRL per share, ex-dividend 23 Mar 2026. On 23 Mar 2026 4.08% Share price that day 55.06 BRL. Dividends in the 12 months up to that day: 2.25 BRL (0.4684 + 0.0018 + 0.3641 + 0.5338 + 0.4476 + 0.4333). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.0018
This payment: 0.0018 BRL per share, ex-dividend 6 Mar 2026. On 6 Mar 2026 3.48% Share price that day 52.17 BRL. Dividends in the 12 months up to that day: 1.82 BRL (0.0018 + 0.3641 + 0.5338 + 0.4476 + 0.4333 + 0.0355). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.3641
This payment: 0.3641 BRL per share, ex-dividend 22 Dec 2025. On 22 Dec 2025 5.30% Share price that day 43.18 BRL. Dividends in the 12 months up to that day: 2.29 BRL (0.3641 + 0.5338 + 0.4476 + 0.4333 + 0.0355 + 0.4762). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.5338
This payment: 0.5338 BRL per share, ex-dividend 16 Dec 2025. On 16 Dec 2025 5.39% Share price that day 42.56 BRL. Dividends in the 12 months up to that day: 2.30 BRL (0.5338 + 0.4476 + 0.4333 + 0.0355 + 0.4762 + 0.3695). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.4476
This payment: 0.4476 BRL per share, ex-dividend 22 Sep 2025. On 22 Sep 2025 5.24% Share price that day 33.61 BRL. Dividends in the 12 months up to that day: 1.76 BRL (0.4476 + 0.4333 + 0.0355 + 0.4762 + 0.3695). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.4333
This payment: 0.4333 BRL per share, ex-dividend 23 Jun 2025. On 23 Jun 2025 6.02% Share price that day 27.68 BRL. Dividends in the 12 months up to that day: 1.67 BRL (0.4333 + 0.0355 + 0.4762 + 0.3695 + 0.3532). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.0355
This payment: 0.0355 BRL per share, ex-dividend 26 Mar 2025. On 26 Mar 2025 11.87% Share price that day 20.30 BRL. Dividends in the 12 months up to that day: 2.41 BRL (0.0355 + 0.4762 + 0.3695 + 0.3532 + 0.3847 + 0.7912). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.4762
This payment: 0.4762 BRL per share, ex-dividend 5 Mar 2025. On 5 Mar 2025 14.07% Share price that day 23.08 BRL. Dividends in the 12 months up to that day: 3.25 BRL (0.4762 + 0.3695 + 0.3532 + 0.3847 + 0.7912 + 0.8731). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.3695
This payment: 0.3695 BRL per share, ex-dividend 23 Dec 2024. On 23 Dec 2024 13.15% Share price that day 21.07 BRL. Dividends in the 12 months up to that day: 2.77 BRL (0.3695 + 0.3532 + 0.3847 + 0.7912 + 0.8731). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.3532
This payment: 0.3532 BRL per share, ex-dividend 17 Sep 2024. On 17 Sep 2024 13.98% Share price that day 25.94 BRL. Dividends in the 12 months up to that day: 3.63 BRL (0.3532 + 0.3847 + 0.7912 + 0.8731 + 0.2416 + 0.9823). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.
	0.3847
This payment: 0.3847 BRL per share, ex-dividend 25 Jun 2024. On 25 Jun 2024 16.73% Share price that day 21.57 BRL. Dividends in the 12 months up to that day: 3.61 BRL (0.3847 + 0.7912 + 0.8731 + 0.2416 + 0.9823 + 0.3361). Today, latest close 23 Oct 2026 2.70% Share price 64.58 BRL. Dividends in the last 12 months: 1.74 BRL (0.3759 + 0.4684 + 0.0018 + 0.3641 + 0.5338). Dividend yield = dividends paid in the 12 months up to that day divided by the share price that day, before tax. Past dividends are not a promise of future ones.

Ex-dividend dates and amounts from our market-data provider. Shown as declared, before tax.

Prices are end-of-day closes in BRL. Educational only, not financial advice.