CENX vs. VDE

Last updated Jun 4, 2026

CENX (Century Aluminum Company) is a stock, while VDE (Vanguard Energy ETF) is Energy Equities fund tracking the MSCI US Investable Market Energy 25/50 Index. Over the past 10 years, CENX returned 25.77%/yr vs 9.70%/yr for VDE. A 0.53 correlation means they provide meaningful diversification when combined.

Performance

CENX vs. VDE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Century Aluminum Company (CENX) and Vanguard Energy ETF (VDE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CENX achieves a 71.09% return, which is significantly higher than VDE's 32.24% return. Over the past 10 years, CENX has outperformed VDE with an annualized return of 25.77%, while VDE has yielded a comparatively lower 9.70% annualized return.

CENX

• 1D: -2.52%
• 1M: 12.12%
• YTD: 71.09%
• 6M: 116.66%
• 1Y: 245.19%
• 3Y*: 98.04%
• 5Y*: 39.13%
• 10Y*: 25.77%

VDE

• 1D: 1.13%
• 1M: -2.17%
• YTD: 32.24%
• 6M: 29.32%
• 1Y: 45.53%
• 3Y*: 17.97%
• 5Y*: 20.43%
• 10Y*: 9.70%

*Multi-year figures are annualized to reflect compound growth (CAGR)

CENX vs. VDE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CENX Century Aluminum Company	71.09%	115.04%	50.08%	48.41%	-50.60%	50.14%	46.77%	2.80%	-62.78%	129.44%
VDE Vanguard Energy ETF	32.24%	7.11%	6.75%	0.03%	62.89%	56.31%	-33.02%	9.28%	-19.95%	-2.50%

Correlation

The correlation between CENX and VDE is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.08
Correlation (3Y) Calculated over the trailing 3-year period	0.27
Correlation (5Y) Calculated over the trailing 5-year period	0.41
Correlation (10Y) Calculated over the trailing 10-year period	0.45
Correlation (All Time) Calculated using the full available price history since Sep 30, 2004	0.53

Over the past year, the correlation between CENX and VDE has dropped to 0.08 - well below their long-term average of 0.53, suggesting their price drivers have been diverging.

Return for Risk

CENX vs. VDE — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

CENX

CENX Risk / Return Rank: 96
CENX Sharpe Ratio Rank: 97
CENX Sortino Ratio Rank: 94
CENX Omega Ratio Rank: 92
CENX Calmar Ratio Rank: 97
CENX Martin Ratio Rank: 98

VDE

VDE Risk / Return Rank: 64
VDE Sharpe Ratio Rank: 66
VDE Sortino Ratio Rank: 60
VDE Omega Ratio Rank: 57
VDE Calmar Ratio Rank: 75
VDE Martin Ratio Rank: 62

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

CENX vs. VDE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Century Aluminum Company (CENX) and Vanguard Energy ETF (VDE). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	CENX	VDE	Difference
Sharpe ratio: Return per unit of total volatility	4.00	2.25	+1.75
Sortino ratio: Return per unit of downside risk	3.82	2.88	+0.94
Omega ratio: Gain probability vs. loss probability	1.49	1.36	+0.13
Calmar ratio: Return relative to maximum drawdown	10.48	3.88	+6.60
Martin ratio: Return relative to average drawdown	29.39	11.42	+17.98
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CENX vs. VDE - Sharpe Ratio Comparison

The current CENX Sharpe Ratio is 4.00, which is higher than the VDE Sharpe Ratio of 2.25. The chart below compares the historical Sharpe Ratios of CENX and VDE, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CENX	VDE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.00	2.25	+1.75
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.55	0.78	-0.23
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.37	0.33	+0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.08	0.28	-0.20

Drawdowns

CENX vs. VDE - Drawdown Comparison

The maximum CENX drawdown since its inception was -98.67%, which is greater than VDE's maximum drawdown of -74.20%. Use the drawdown chart below to compare losses from any high point for CENX and VDE.

Drawdown Indicators

	CENX	VDE	Difference
Max Drawdown Largest peak-to-trough decline	-98.67%	-74.20%	-24.47%
Max Drawdown (1Y) Largest decline over 1 year	-23.56%	-11.80%	-11.76%
Max Drawdown (3Y) Largest decline over 3 years	-42.77%	-21.41%	-21.36%
Max Drawdown (5Y) Largest decline over 5 years	-82.10%	-26.58%	-55.52%
Max Drawdown (10Y) Largest decline over 10 years	-87.51%	-69.29%	-18.22%
Current Drawdown Current decline from peak	-16.20%	-6.43%	-9.77%
Average Drawdown Average peak-to-trough decline	-61.16%	-19.96%	-41.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.38%	4.00%	+4.38%

Volatility

CENX vs. VDE - Volatility Comparison

Century Aluminum Company (CENX) has a higher volatility of 19.18% compared to Vanguard Energy ETF (VDE) at 7.99%. This indicates that CENX's price experiences larger fluctuations and is considered to be riskier than VDE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CENX	VDE	Difference
Volatility (1M) Calculated over the trailing 1-month period	19.18%	7.99%	+11.19%
Volatility (6M) Calculated over the trailing 6-month period	44.48%	16.33%	+28.15%
Volatility (1Y) Calculated over the trailing 1-year period	61.76%	20.38%	+41.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	71.95%	26.40%	+45.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	70.58%	29.93%	+40.65%

Dividends

CENX vs. VDE - Dividend Comparison

CENX has not paid dividends to shareholders, while VDE's dividend yield for the trailing twelve months is around 2.37%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CENX Century Aluminum Company	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VDE Vanguard Energy ETF	2.37%	3.11%	3.23%	3.34%	3.65%	4.13%	4.76%	3.42%	3.35%	2.90%	2.31%	3.17%

Frequently Asked Questions

Can I hold both CENX and VDE in my portfolio?

CENX and VDE have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CENX or VDE?

CENX has higher volatility (19.18%) compared to VDE (7.99%). In terms of maximum drawdown, CENX dropped -98.67% vs VDE's -74.20%.

Which has better risk-adjusted returns?

CENX currently has the higher Sharpe Ratio (4.00 vs 2.25), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.