AER vs. CENX

Last updated Apr 2, 2026

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

Performance

AER vs. CENX - Performance Comparison

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

AER vs. CENX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
CENX Century Aluminum Company	62.10%	115.04%	50.08%	48.41%	-50.60%	50.14%	46.77%	2.80%	-62.78%	129.44%

Fundamentals

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

Returns By Period

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

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%

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%

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

Return for Risk

AER vs. CENX — Risk / Return Rank

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

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

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

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.

AER vs. CENX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AerCap Holdings N.V. (AER) and Century Aluminum Company (CENX). 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.

	AER	CENX	Difference
Sharpe ratio Return per unit of total volatility	1.42	3.58	-2.16
Sortino ratio Return per unit of downside risk	1.91	3.64	-1.72
Omega ratio Gain probability vs. loss probability	1.28	1.48	-0.19
Calmar ratio Return relative to maximum drawdown	2.59	9.19	-6.60
Martin ratio Return relative to average drawdown	8.01	25.86	-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.

AER vs. CENX - Sharpe Ratio Comparison

The current AER Sharpe Ratio is 1.42, which is lower than the CENX Sharpe Ratio of 3.58. The chart below compares the historical Sharpe Ratios of AER and CENX, 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

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

Correlation

The correlation between AER and CENX 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

AER vs. CENX - Dividend Comparison

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

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

Drawdowns

AER vs. CENX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

AER vs. CENX - Volatility Comparison

The current volatility for AerCap Holdings N.V. (AER) is 12.27%, while Century Aluminum Company (CENX) has a volatility of 23.51%. This indicates that AER experiences smaller price fluctuations and is considered to be less risky than CENX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Financials

AER vs. CENX - Profitability Comparison

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

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 - 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 - 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 - 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 - 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%.

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%.