AA vs. PPTA

Last updated Jun 13, 2026

AA (Alcoa Corporation) and PPTA (Perpetua Resources Corp) are both stocks. Both are in the Basic Materials sector — AA in Aluminum, PPTA in Other Precious Metals & Mining. Over the past 5 years, AA returned 14.08%/yr vs 22.85%/yr for PPTA. At a 0.29 correlation, their price movements are largely independent.

Performance

AA vs. PPTA - Performance Comparison

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

Returns By Period

In the year-to-date period, AA achieves a 29.83% return, which is significantly higher than PPTA's -0.50% return.

AA

• 1D: -0.30%
• 1M: 0.64%
• YTD: 29.83%
• 6M: 49.53%
• 1Y: 140.52%
• 3Y*: 24.73%
• 5Y*: 14.08%
• 10Y*: —

PPTA

• 1D: 2.77%
• 1M: -24.17%
• YTD: -0.50%
• 6M: -16.47%
• 1Y: 83.61%
• 3Y*: 77.19%
• 5Y*: 22.85%
• 10Y*: —

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

AA vs. PPTA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
AA Alcoa Corporation	29.83%	42.46%	12.43%	-24.33%	-23.12%	172.28%
PPTA Perpetua Resources Corp	-0.50%	126.90%	236.59%	8.56%	-38.53%	-34.48%

Correlation

The correlation between AA and PPTA is 0.35, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.35
Correlation (3Y) Calculated over the trailing 3-year period	0.33
Correlation (5Y) Calculated over the trailing 5-year period	0.30
Correlation (All Time) Calculated using the full available price history since Feb 18, 2021	0.29

Fundamentals

Market Cap AA : $18.13B PPTA : $2.25B
EPS AA : $3.92 PPTA : $1.22
PE Ratio AA : 17.55 PPTA : 19.69
PEG Ratio AA : 0.05 PPTA : 0.05
PB Ratio AA : 2.66 PPTA : 2.61
Total Revenue (TTM) AA : $12.66B PPTA : $0.00
Gross Profit (TTM) AA : $948.00M PPTA : $0.00
EBITDA (TTM) AA : $1.70B PPTA : $0.00

Return for Risk

AA vs. PPTA — Risk / Return Rank

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

AA

AA Risk / Return Rank: 92
AA Sharpe Ratio Rank: 94
AA Sortino Ratio Rank: 90
AA Omega Ratio Rank: 87
AA Calmar Ratio Rank: 95
AA Martin Ratio Rank: 96

PPTA

PPTA Risk / Return Rank: 75
PPTA Sharpe Ratio Rank: 77
PPTA Sortino Ratio Rank: 73
PPTA Omega Ratio Rank: 71
PPTA Calmar Ratio Rank: 76
PPTA Martin Ratio Rank: 78

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. PPTA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Alcoa Corporation (AA) and Perpetua Resources Corp (PPTA). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	AA	PPTA	Difference
Sharpe ratio: Return per unit of total volatility	2.60	1.16	+1.44
Sortino ratio: Return per unit of downside risk	3.05	1.78	+1.27
Omega ratio: Gain probability vs. loss probability	1.36	1.22	+0.14
Calmar ratio: Return relative to maximum drawdown	6.49	1.97	+4.52
Martin ratio: Return relative to average drawdown	20.55	5.23	+15.32

AA vs. PPTA - Sharpe Ratio Comparison

The current AA Sharpe Ratio is 2.60, which is higher than the PPTA Sharpe Ratio of 1.16. The chart below compares the historical Sharpe Ratios of AA and PPTA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

AA vs. PPTA - Drawdown Comparison

The maximum AA drawdown since its inception was -90.90%, which is greater than PPTA's maximum drawdown of -81.78%. Use the drawdown chart below to compare losses from any high point for AA and PPTA.

Drawdown Indicators

	AA	PPTA	Difference
Max Drawdown Largest peak-to-trough decline	-90.90%	-81.78%	-9.12%
Max Drawdown (1Y) Largest decline over 1 year	-21.77%	-42.61%	+20.84%
Max Drawdown (3Y) Largest decline over 3 years	-52.25%	-42.61%	-9.64%
Max Drawdown (5Y) Largest decline over 5 years	-75.46%	-81.78%	+6.32%
Current Drawdown Current decline from peak	-24.27%	-35.28%	+11.01%
Average Drawdown Average peak-to-trough decline	-46.12%	-38.70%	-7.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.87%	16.04%	-9.17%

Volatility

AA vs. PPTA - Volatility Comparison

The current volatility for Alcoa Corporation (AA) is 21.35%, while Perpetua Resources Corp (PPTA) has a volatility of 25.93%. This indicates that AA experiences smaller price fluctuations and is considered to be less risky than PPTA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AA	PPTA	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.35%	25.93%	-4.58%
Volatility (6M) Calculated over the trailing 6-month period	41.11%	56.52%	-15.41%
Volatility (1Y) Calculated over the trailing 1-year period	54.44%	75.66%	-21.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	56.26%	72.00%	-15.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	55.66%	72.22%	-16.56%

Dividends

AA vs. PPTA - Dividend Comparison

AA's dividend yield for the trailing twelve months is around 0.58%, while PPTA has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
AA Alcoa Corporation	0.58%	0.75%	1.06%	1.18%	0.88%	0.17%	0.00%	0.00%	0.00%	0.00%	0.32%
PPTA Perpetua Resources Corp	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both AA and PPTA in my portfolio?

AA and PPTA have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AA or PPTA?

PPTA has higher volatility (25.93%) compared to AA (21.35%). In terms of maximum drawdown, AA dropped -90.90% vs PPTA's -81.78%.

Which has better risk-adjusted returns?

AA currently has the higher Sharpe Ratio (2.60 vs 1.16), 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.