CENX vs. AER

Last updated Apr 2, 2026

Compare and contrast key facts about Century Aluminum Company (CENX) and AerCap Holdings N.V. (AER).

Performance

CENX vs. AER - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Century Aluminum Company (CENX) and AerCap Holdings N.V. (AER). The values are adjusted to include any dividend payments, if applicable.

CENX vs. AER - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CENX Century Aluminum Company	62.10%	115.04%	50.08%	48.41%	-50.60%	50.14%	46.77%	2.80%	-62.78%	129.44%
AER AerCap Holdings N.V.	-2.38%	51.66%	29.81%	27.43%	-10.85%	43.53%	-25.85%	55.23%	-24.73%	26.44%

Fundamentals

Market Cap CENX : $6.22B AER : $23.35B
EPS CENX : $0.12 AER : $21.70
PE Ratio CENX : 525.63 AER : 6.45
PEG Ratio CENX : 1.51 AER : 0.16
PS Ratio CENX : 2.43 AER : 3.01
PB Ratio CENX : 7.15 AER : 1.27
Total Revenue (TTM) CENX : $2.53B AER : $8.02B
Gross Profit (TTM) CENX : $264.10M AER : $4.21B
EBITDA (TTM) CENX : $165.90M AER : $6.02B

Returns By Period

In the year-to-date period, CENX achieves a 62.10% return, which is significantly higher than AER's -2.38% return. Over the past 10 years, CENX has outperformed AER with an annualized return of 24.39%, while AER has yielded a comparatively lower 13.89% annualized return.

CENX

• 1D: 8.21%
• 1M: 23.67%
• YTD: 62.10%
• 6M: 116.02%
• 1Y: 245.16%
• 3Y*: 85.19%
• 5Y*: 29.78%
• 10Y*: 24.39%

AER

• 1D: 2.03%
• 1M: -6.84%
• YTD: -2.38%
• 6M: 14.56%
• 1Y: 38.06%
• 3Y*: 36.44%
• 5Y*: 19.12%
• 10Y*: 13.89%

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

Return for Risk

CENX vs. AER — Risk / Return Rank

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

CENX

CENX Risk / Return Rank: 97
CENX Sharpe Ratio Rank: 98
CENX Sortino Ratio Rank: 95
CENX Omega Ratio Rank: 94
CENX Calmar Ratio Rank: 98
CENX Martin Ratio Rank: 98

AER

AER Risk / Return Rank: 81
AER Sharpe Ratio Rank: 83
AER Sortino Ratio Rank: 76
AER Omega Ratio Rank: 79
AER Calmar Ratio Rank: 82
AER Martin Ratio Rank: 85

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. AER - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Century Aluminum Company (CENX) and AerCap Holdings N.V. (AER). 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	AER	Difference
Sharpe ratio Return per unit of total volatility	3.58	1.42	+2.16
Sortino ratio Return per unit of downside risk	3.64	1.91	+1.72
Omega ratio Gain probability vs. loss probability	1.48	1.28	+0.19
Calmar ratio Return relative to maximum drawdown	9.19	2.59	+6.60
Martin ratio Return relative to average drawdown	25.86	8.01	+17.85
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. AER - Sharpe Ratio Comparison

The current CENX Sharpe Ratio is 3.58, which is higher than the AER Sharpe Ratio of 1.42. The chart below compares the historical Sharpe Ratios of CENX and AER, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	CENX	AER	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.58	1.42	+2.16
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.41	0.60	-0.18
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.35	0.33	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.08	0.20	-0.12

Correlation

The correlation between CENX and AER is 0.40, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

CENX vs. AER - Dividend Comparison

CENX has not paid dividends to shareholders, while AER's dividend yield for the trailing twelve months is around 0.86%.

	TTM	2025	2024
CENX Century Aluminum Company	0.00%	0.00%	0.00%
AER AerCap Holdings N.V.	0.86%	0.75%	0.78%

Drawdowns

CENX vs. AER - Drawdown Comparison

The maximum CENX drawdown since its inception was -98.67%, roughly equal to the maximum AER drawdown of -94.38%. Use the drawdown chart below to compare losses from any high point for CENX and AER.

Drawdown Indicators

	CENX	AER	Difference
Max Drawdown Largest peak-to-trough decline	-98.67%	-94.38%	-4.29%
Max Drawdown (1Y) Largest decline over 1 year	-26.34%	-14.77%	-11.57%
Max Drawdown (5Y) Largest decline over 5 years	-82.10%	-45.14%	-36.96%
Max Drawdown (10Y) Largest decline over 10 years	-87.51%	-75.86%	-11.65%
Current Drawdown Current decline from peak	-20.60%	-9.36%	-11.24%
Average Drawdown Average peak-to-trough decline	-61.38%	-28.57%	-32.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.37%	4.78%	+4.59%

Volatility

CENX vs. AER - Volatility Comparison

Century Aluminum Company (CENX) has a higher volatility of 23.51% compared to AerCap Holdings N.V. (AER) at 12.27%. This indicates that CENX's price experiences larger fluctuations and is considered to be riskier than AER based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CENX	AER	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.51%	12.27%	+11.24%
Volatility (6M) Calculated over the trailing 6-month period	50.74%	18.99%	+31.75%
Volatility (1Y) Calculated over the trailing 1-year period	68.94%	26.92%	+42.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	72.94%	32.29%	+40.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	70.76%	41.94%	+28.82%

Financials

CENX vs. AER - Profitability Comparison

The chart below illustrates the profitability comparison between Century Aluminum Company and AerCap Holdings N.V. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

CENX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Century Aluminum Company reported a gross profit of 90.00M and revenue of 633.70M. Therefore, the gross margin over that period was 14.2%.

AER - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, AerCap Holdings N.V. reported a gross profit of 1.13B and revenue of 2.17B. Therefore, the gross margin over that period was 52.3%.

CENX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Century Aluminum Company reported an operating income of 40.70M and revenue of 633.70M, resulting in an operating margin of 6.4%.

AER - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, AerCap Holdings N.V. reported an operating income of 946.83M and revenue of 2.17B, resulting in an operating margin of 43.7%.

CENX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Century Aluminum Company reported a net income of -28.30M and revenue of 633.70M, resulting in a net margin of -4.5%.

AER - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, AerCap Holdings N.V. reported a net income of 632.81M and revenue of 2.17B, resulting in a net margin of 29.2%.