What is the current annual book value of CIG.C?

As of today, CIG.C annual book value is $1.74B

What is 1-year change in CIG.C annual book value?

CIG.C annual book value is up +17.68% year-over-year

What is 3-year change in CIG.C annual book value?

CIG.C annual book value is up +79.68% over the past 3 years

How far is CIG.C annual book value from its all-time high?

CIG.C annual book value is currently -95.61% below its historical high of $39.69B set on December 1, 1991

How does CIG.C annual book value rank versus sector peers?

CIG.C annual book value is higher than 44.64% of companies in Utilities sector

When is CIG.C next annual earnings release?

As of today, the next annual earnings release for CIG.C has not been scheduled

What is the current quarterly book value of CIG.C?

As of today, CIG.C quarterly book value is $1.89B

What is CIG.C quarterly book value most recent change?

CIG.C quarterly book value was up +1.92% on June 1, 2026

What is 1-year change in CIG.C quarterly book value?

CIG.C quarterly book value is up +8.07% year-over-year

How far is CIG.C quarterly book value from its all-time high?

CIG.C quarterly book value is currently -60.19% below its historical high of $4.74B set on March 1, 2013

How does CIG.C quarterly book value rank versus sector peers?

CIG.C quarterly book value is higher than 41.44% of companies in Utilities sector

When is CIG.C next earnings release?

As of today, the next earnings release for CIG.C has not been scheduled

CIG.C Book Value History & Chart Since 1987

Annual Book Value

$1.74B$261.94M+17.68%

December 1, 2025

Summary

Current Value: As of today, CIG.C annual book value is $1.74B, up +17.68% on December 1, 2025
Historical Performance: CIG.C annual book value is up +79.68% over the past 3 years, up +101.54% over the past 5 years
All-Time High Comparison: CIG.C annual book value is currently -95.61% below its historical high of $39.69B set on December 1, 1991
3-Year Low Comparison: CIG.C annual book value is +79.68% above its 3-year low of $970.51M reached on an earlier date
Sector Comparison: CIG.C annual book value is higher than 44.64% of companies in Utilities sector

Book Value Chart

beforeafter

Performance

CIG.C Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Book Value	Dec 1, 25	$1.74B	+17.7%	+79.7%	+101.5%	-12.3%
Quarterly Book Value	Jun 1, 26	$1.89B	+8.1%	+62.5%	+85.4%	-29.7%
Price	Oct 21, 26	$3.50	+36.7%	+38.7%	+84.3%	+3.5%
	Dec 1, 25	$12.23B	+26.5%	+20.3%	+17.5%	-39.5%
	Dec 1, 25	$7.02B	+34.0%	+16.2%	-0.4%	-47.3%
	Oct 21, 26	5.31	+290.4%	+155.3%	+179.5%	+342.5%
	Dec 1, 25	$5.21B	+17.7%	+38.2%	+55.0%	-2.8%
Market Cap	Oct 21, 26	$10B	+308.9%	+314.8%	+451.1%	+250.3%

Book Value Highs

CIG.C Annual Book Value Highs Comparison
Period	High	Date	Current
3Y	$1.74B	Dec 1, 25	at high
5Y	$1.74B	Dec 1, 25	at high
All	$39.69B	Dec 1, 91	-95.6%

Book Value Lows

CIG.C Annual Book Value Lows Comparison
Period	Low	Date	Current
3Y	$970.51M	N/A	+79.7%
5Y	$865.28M	N/A	+101.5%
All	$244.22M	Dec 1, 02	+614.0%

Book Value History

Year	Value	Change
2025	$1.74B	+17.7%
2024	$1.48B	+22.8%
2023	$1.21B	+24.4%
2022	$970.51M	+8.0%
2021	$898.50M	+3.8%
2020	$865.28M	-35.3%
2019	$1.34B	+58.5%
2018	$844.33M	-12.7%
2017	$966.95M	+11.1%
2016	$870.67M	-6.9%
2015	$935.65M	+3.1%
2014	$907.25M	-22.8%
2013	$1.18B	-27.7%
2012	$1.63B	-10.8%
2011	$1.82B	-8.4%
2010	$1.99B	+9.0%
2009	$1.83B	+87.1%
2008	$975.44M	-10.1%
2007	$1.08B	+41.3%
2006	$767.48M	-9.6%

Year	Value	Change
2005	$848.87M	+12.1%
2004	$757.41M	+66.2%
2003	$455.59M	+86.5%
2002	$244.22M	-52.7%
2001	$515.82M	-30.8%
2000	$745.65M	-82.3%
1999	$4.22B	-36.3%
1998	$6.62B	-6.9%
1997	$7.11B	-15.4%
1996	$8.41B	-4.8%
1995	$8.84B	+24.7%
1994	$7.09B	+66.1%
1993	$4.27B	+17.2%
1992	$3.64B	-90.8%
1991	$39.69B	+3,250.0%
1990	$1.18B	-33.3%
1989	$1.78B	+56.7%
1988	$1.13B	+2.1%
1987	$1.11B	-

FAQ

What is the current annual book value of CIG.C?: As of today, CIG.C annual book value is $1.74B
What is 1-year change in CIG.C annual book value?: CIG.C annual book value is up +17.68% year-over-year
What is 3-year change in CIG.C annual book value?: CIG.C annual book value is up +79.68% over the past 3 years
How far is CIG.C annual book value from its all-time high?: CIG.C annual book value is currently -95.61% below its historical high of $39.69B set on December 1, 1991
How does CIG.C annual book value rank versus sector peers?: CIG.C annual book value is higher than 44.64% of companies in Utilities sector
When is CIG.C next annual earnings release?: As of today, the next annual earnings release for CIG.C has not been scheduled

Book Value Formula

Book Value = −

Quarterly Book Value

$1.89B$35.43M+1.92%

June 1, 2026

Summary

Current Value: As of today, CIG.C quarterly book value is $1.89B, up +1.92% on June 1, 2026
Historical Performance: CIG.C quarterly book value is up +8.07% year-over-year, up +62.54% over the past 3 years
All-Time High Comparison: CIG.C quarterly book value is currently -60.19% below its historical high of $4.74B set on March 1, 2013
3-Year Low Comparison: CIG.C quarterly book value is +62.53% above its 3-year low of $1.16B reached on an earlier date
Sector Comparison: CIG.C quarterly book value is higher than 41.44% of companies in Utilities sector

Performance

CIG.C Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Book Value	Jun 1, 26	$1.89B	+1.9%	+8.1%	+62.5%	+85.4%
Annual Book Value	Dec 1, 25	$1.74B	–	+17.7%	+79.7%	+101.5%
Price	Oct 21, 26	$3.50	+11.5%	+36.7%	+38.7%	+84.3%
	Jun 1, 26	$13.69B	+4.9%	+17.8%	+21.1%	+27.6%
	Jun 1, 26	$8.05B	+7.0%	+25.8%	+25.6%	+18.9%
	Oct 21, 26	5.31	+11.6%	+290.4%	+155.3%	+179.5%
	Jun 1, 26	$5.64B	+1.9%	+8.1%	+25.0%	+42.6%
Market Cap	Oct 21, 26	$10B	+11.5%	+308.9%	+314.8%	+451.1%

Quarterly Book Value Highs

CIG.C Quarterly Book Value Highs Comparison
Period	High	Date	Current
1Y	$1.89B	Jun 1, 26	at high
3Y	$1.89B	Jun 1, 26	at high
5Y	$1.89B	Jun 1, 26	at high
All	$4.74B	Mar 1, 13	-60.2%

Quarterly Book Value Lows

CIG.C Quarterly Book Value Lows Comparison
Period	Low	Date	Current
1Y	$1.74B	Dec 1, 25	+8.1%
3Y	$1.16B	N/A	+62.5%
5Y	$898.50M	Dec 1, 21	+109.8%
All	$244.22M	Dec 1, 02	+672.0%

Quarterly Book Value History

Month	Value	Change
Jun 2026	$1.89B	+1.9%
Mar 2026	$1.85B	+6.1%
Dec 2025	$1.74B	-3.3%
Sep 2025	$1.80B	+3.4%
Jun 2025	$1.74B	+7.0%
Mar 2025	$1.63B	+10.0%
Dec 2024	$1.48B	-14.0%
Sep 2024	$1.72B	+7.3%
Jun 2024	$1.61B	+2.0%
Mar 2024	$1.57B	+30.4%
Dec 2023	$1.21B	+4.0%
Sep 2023	$1.16B	+0.0%
Jun 2023	$1.16B	+9.2%
Mar 2023	$1.06B	+9.4%
Dec 2022	$970.51M	-3.2%
Sep 2022	$1.00B	+0.1%
Jun 2022	$1.00B	-10.5%
Mar 2022	$1.12B	+24.5%
Dec 2021	$898.50M	-6.1%
Sep 2021	$956.51M	-6.0%
Jun 2021	$1.02B	+24.7%
Mar 2021	$815.74M	-5.7%
Dec 2020	$865.28M	-15.7%
Sep 2020	$1.03B	-0.1%
Jun 2020	$1.03B	+0.7%
Mar 2020	$1.02B	-23.7%
Dec 2019	$1.34B	+25.9%
Sep 2019	$1.06B	-9.5%
Jun 2019	$1.17B	+15.5%
Mar 2019	$1.02B	+20.4%
Dec 2018	$844.33M	+1.5%
Sep 2018	$831.75M	-2.9%
Jun 2018	$857.00M	-14.0%
Mar 2018	$996.73M	+3.1%
Dec 2017	$966.95M	+4.6%
Sep 2017	$924.41M	-20.0%
Jun 2017	$1.16B	+25.4%
Mar 2017	$921.45M	+5.8%
Dec 2016	$870.67M	-31.8%
Sep 2016	$1.28B	+2.2%
Jun 2016	$1.25B	+19.0%
Mar 2016	$1.05B	+45.6%
Dec 2015	$720.46M	-10.4%
Sep 2015	$803.74M	-20.8%
Jun 2015	$1.01B	+15.4%
Mar 2015	$879.04M	-3.1%
Dec 2014	$907.25M	-21.8%
Sep 2014	$1.16B	-22.8%
Jun 2014	$1.50B	-5.1%
Mar 2014	$1.58B	+34.7%
Dec 2013	$1.18B	-30.5%

Month	Value	Change
Sep 2013	$1.69B	-9.5%
Jun 2013	$1.87B	-60.5%
Mar 2013	$4.74B	+258.7%
Dec 2012	$1.32B	-29.3%
Sep 2012	$1.87B	+8.5%
Jun 2012	$1.72B	-4.8%
Mar 2012	$1.81B	+28.8%
Dec 2011	$1.40B	-41.0%
Sep 2011	$2.38B	-11.4%
Jun 2011	$2.68B	+37.5%
Mar 2011	$1.95B	-2.0%
Dec 2010	$1.99B	-33.4%
Sep 2010	$2.99B	+11.7%
Jun 2010	$2.67B	+19.9%
Mar 2010	$2.23B	+50.3%
Dec 2009	$1.48B	-27.0%
Sep 2009	$2.03B	+16.0%
Jun 2009	$1.75B	+23.8%
Mar 2009	$1.42B	+45.1%
Dec 2008	$975.44M	-44.2%
Sep 2008	$1.75B	-13.1%
Jun 2008	$2.01B	+17.8%
Mar 2008	$1.71B	+57.5%
Dec 2007	$1.08B	-22.1%
Sep 2007	$1.39B	+11.3%
Jun 2007	$1.25B	+13.1%
Mar 2007	$1.11B	+44.1%
Dec 2006	$767.48M	-39.1%
Sep 2006	$1.26B	+5.5%
Jun 2006	$1.19B	+2.4%
Mar 2006	$1.17B	+78.6%
Dec 2005	$652.97M	-25.7%
Sep 2005	$878.85M	+15.1%
Jun 2005	$763.31M	-22.7%
Mar 2005	$987.64M	+69.5%
Dec 2004	$582.61M	+9.0%
Sep 2004	$534.42M	+15.4%
Jun 2004	$463.16M	-4.5%
Mar 2004	$485.11M	+6.5%
Dec 2003	$455.60M	+3.2%
Sep 2003	$441.59M	+24.5%
Jun 2003	$354.60M	+30.3%
Mar 2003	$272.14M	+11.4%
Dec 2002	$244.22M	-40.7%
Sep 2002	$411.50M	-30.2%
Jun 2002	$589.33M	-32.6%
Mar 2002	$874.39M	-73.0%
Dec 2001	$3.23B	+41.9%
Sep 2001	$2.28B	-21.0%
Jun 2001	$2.88B	+59.7%
Mar 2001	$1.81B	-

FAQ

What is the current quarterly book value of CIG.C?: As of today, CIG.C quarterly book value is $1.89B
What is CIG.C quarterly book value most recent change?: CIG.C quarterly book value was up +1.92% on June 1, 2026
What is 1-year change in CIG.C quarterly book value?: CIG.C quarterly book value is up +8.07% year-over-year
How far is CIG.C quarterly book value from its all-time high?: CIG.C quarterly book value is currently -60.19% below its historical high of $4.74B set on March 1, 2013
How does CIG.C quarterly book value rank versus sector peers?: CIG.C quarterly book value is higher than 41.44% of companies in Utilities sector
When is CIG.C next earnings release?: As of today, the next earnings release for CIG.C has not been scheduled

Book Value Formula

Book Value = −

Data Sources & References

CIG.C Official Website www.cemig.com.br
CIG.C Profile on Yahoo Finance finance.yahoo.com/quote/CIG-C
CIG.C Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cig.c