Energy Co of Minas Gerais (NYSE: CIG), an SEC filer in Electric Services, closed at $1.99, +1.0%, on 2026-08-28. Institutional ownership, earnings history and filed financials are on the tabs below.
Returns are PRICE ONLY — dividends excluded.
Volume as VALUE TRADED — close × volume, in USD.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | CIG | SPY | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 · ytd | +7.5% | +10.2% | +0.8% | +5.4% | −14.7% | −2.3% | +4.3% | −9.1% | — | — | — | — | −0.5% | +13.4% | −13.9pp |
| 2025 | +5.6% | −0.5% | −5.4% | +7.4% | −1.1% | +4.8% | −7.7% | +12.2% | +3.9% | −0.9% | +1.4% | −5.7% | +13.0% | +17.7% | −4.7pp |
| 2024 | −1.7% | +3.9% | +4.2% | −2.8% | +0.8% | −5.4% | +8.0% | +7.9% | +0.5% | −6.3% | +1.0% | −9.2% | −0.8% | +24.9% | −25.7pp |
| 2023 | +10.3% | −12.9% | +14.9% | +8.0% | −6.2% | +15.9% | +0.0% | −7.2% | −0.8% | −6.2% | −2.6% | +5.0% | +14.3% | +26.2% | −11.9pp |
| 2022 | +3.7% | +0.0% | +26.6% | −5.0% | −18.5% | −18.2% | +9.9% | +6.3% | −14.4% | +8.4% | +0.0% | −7.3% | −16.5% | −18.2% | +1.7pp |
| 2021 | −12.2% | −16.6% | +7.6% | +9.7% | +4.0% | −8.1% | −5.9% | +13.8% | −1.2% | −10.7% | +2.2% | +5.7% | −15.6% | +28.7% | −44.4pp |
| 2020 | +1.5% | −12.4% | −43.9% | +1.2% | +15.7% | +3.0% | +13.2% | −15.5% | −5.6% | −1.1% | +32.2% | +19.0% | −15.5% | +18.3% | −33.9pp |
| 2019 | +5.9% | +1.3% | −6.5% | +3.6% | +1.1% | +1.9% | −3.9% | −3.0% | −4.5% | −0.9% | −9.8% | +12.5% | −4.2% | +31.2% | −35.4pp |
| 2018 | +13.1% | +7.3% | +3.2% | −7.4% | −15.9% | −8.5% | +14.1% | −14.8% | −4.5% | +69.6% | +11.4% | +10.2% | +72.8% | −4.6% | +77.4pp |
| 2017 | +24.6% | +16.2% | −0.3% | −17.0% | −16.1% | +4.8% | +12.1% | −2.2% | −5.7% | −4.4% | −13.9% | +1.0% | −9.6% | +21.7% | −31.4pp |
Month-end over prior month-end; a blank cell is no return.
Basis. CIG and SPY are on DIFFERENT bases — one includes dividends, the other doesn't, so the Δ column flatters the dividend-including side.
End-of-day closes; a “ytd” or “part” year is not a full year.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years ⓘ | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 |
| Positive ⓘ | 63% | 65% | 65% | 65% | 24% | 59% | 65% | 35% | 19% | 44% | 44% | 50% |
| Median | +2.6% | +1.4% | +3.2% | +3.7% | −8.5% | +2.1% | +3.2% | −3.0% | −4.5% | −0.9% | −1.3% | −0.9% |
| Best | +24.6% | +16.2% | +50.7% | +20.3% | +15.7% | +48.3% | +25.3% | +13.8% | +8.7% | +69.6% | +32.2% | +19.0% |
| Worst | −25.9% | −16.6% | −43.9% | −17.0% | −30.2% | −18.2% | −27.8% | −23.6% | −28.7% | −10.7% | −25.5% | −12.3% |
| vs SPY ⓘ | +2.2pp | −1.3pp | +0.9pp | +3.8pp | −9.2pp | −0.3pp | +0.7pp | −2.5pp | −5.1pp | −0.3pp | −5.2pp | −1.1pp |
199 monthly observations · 2010–2026 · benchmark SPY
