AA vs. CENX

Last updated Apr 1, 2026

Compare and contrast key facts about Alcoa Corporation (AA) and Century Aluminum Company (CENX).

Performance

AA vs. CENX - Performance Comparison

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

AA vs. CENX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AA Alcoa Corporation	25.03%	42.46%	12.43%	-24.33%	-23.12%	159.05%	7.16%	-19.07%	-50.66%	91.84%
CENX Century Aluminum Company	49.80%	115.04%	50.08%	48.41%	-50.60%	50.14%	46.77%	2.80%	-62.78%	129.44%

Fundamentals

Market Cap AA : $17.31B CENX : $5.75B
EPS AA : $4.50 CENX : $0.12
PE Ratio AA : 14.74 CENX : 485.74
PEG Ratio AA : 0.04 CENX : 1.40
PS Ratio AA : 1.35 CENX : 2.25
PB Ratio AA : 2.82 CENX : 6.61
Total Revenue (TTM) AA : $12.74B CENX : $2.53B
Gross Profit (TTM) AA : $1.13B CENX : $264.10M
EBITDA (TTM) AA : $1.88B CENX : $165.90M

Returns By Period

In the year-to-date period, AA achieves a 25.03% return, which is significantly lower than CENX's 49.80% return.

AA

• 1D: 4.92%
• 1M: 7.02%
• YTD: 25.03%
• 6M: 102.55%
• 1Y: 119.91%
• 3Y*: 17.35%
• 5Y*: 16.63%
• 10Y*: —

CENX

• 1D: 10.22%
• 1M: 13.83%
• YTD: 49.80%
• 6M: 99.90%
• 1Y: 216.22%
• 3Y*: 80.38%
• 5Y*: 27.75%
• 10Y*: 23.41%

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

Return for Risk

AA vs. CENX — Risk / Return Rank

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

AA

AA Risk / Return Rank: 90
AA Sharpe Ratio Rank: 92
AA Sortino Ratio Rank: 89
AA Omega Ratio Rank: 85
AA Calmar Ratio Rank: 92
AA Martin Ratio Rank: 94

CENX

CENX Risk / Return Rank: 96
CENX Sharpe Ratio Rank: 97
CENX Sortino Ratio Rank: 94
CENX Omega Ratio Rank: 93
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.

AA vs. CENX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Alcoa Corporation (AA) 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.

	AA	CENX	Difference
Sharpe ratio Return per unit of total volatility	2.13	3.18	-1.05
Sortino ratio Return per unit of downside risk	2.69	3.41	-0.73
Omega ratio Gain probability vs. loss probability	1.33	1.44	-0.12
Calmar ratio Return relative to maximum drawdown	4.43	8.21	-3.78
Martin ratio Return relative to average drawdown	13.84	23.08	-9.24
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AA vs. CENX - Sharpe Ratio Comparison

The current AA Sharpe Ratio is 2.13, which is lower than the CENX Sharpe Ratio of 3.18. The chart below compares the historical Sharpe Ratios of AA 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

	AA	CENX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.13	3.18	-1.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.30	0.38	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.33	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.23	0.07	+0.15

Correlation

The correlation between AA and CENX is 0.71, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

AA vs. CENX - Dividend Comparison

AA's dividend yield for the trailing twelve months is around 0.60%, while CENX has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
AA Alcoa Corporation	0.60%	0.75%	1.06%	1.18%	0.88%	0.17%	0.00%	0.00%	0.00%	0.00%	0.32%
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%

Drawdowns

AA vs. CENX - Drawdown Comparison

The maximum AA drawdown since its inception was -90.90%, smaller than the maximum CENX drawdown of -98.67%. Use the drawdown chart below to compare losses from any high point for AA and CENX.

Drawdown Indicators

	AA	CENX	Difference
Max Drawdown Largest peak-to-trough decline	-90.90%	-98.67%	+7.77%
Max Drawdown (1Y) Largest decline over 1 year	-26.82%	-26.34%	-0.48%
Max Drawdown (5Y) Largest decline over 5 years	-75.46%	-82.10%	+6.64%
Max Drawdown (10Y) Largest decline over 10 years	—	-87.51%	—
Current Drawdown Current decline from peak	-27.07%	-26.63%	-0.44%
Average Drawdown Average peak-to-trough decline	-46.62%	-61.39%	+14.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.58%	9.37%	-0.79%

Volatility

AA vs. CENX - Volatility Comparison

The current volatility for Alcoa Corporation (AA) is 18.64%, while Century Aluminum Company (CENX) has a volatility of 22.46%. This indicates that AA 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

	AA	CENX	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.64%	22.46%	-3.82%
Volatility (6M) Calculated over the trailing 6-month period	41.22%	50.22%	-9.00%
Volatility (1Y) Calculated over the trailing 1-year period	56.63%	68.52%	-11.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	56.11%	72.86%	-16.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	55.61%	70.73%	-15.12%

Financials

AA vs. CENX - Profitability Comparison

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

AA - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Alcoa Corporation reported a gross profit of 0.00 and revenue of 3.45B. Therefore, the gross margin over that period was 0.0%.

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%.

AA - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Alcoa Corporation reported an operating income of 0.00 and revenue of 3.45B, resulting in an operating margin of 0.0%.

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%.

AA - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Alcoa Corporation reported a net income of 226.00M and revenue of 3.45B, resulting in a net margin of 6.6%.

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%.