PPTA vs. AA

Last updated Jun 13, 2026

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

Performance

PPTA vs. AA - Performance Comparison

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

Returns By Period

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

PPTA

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

AA

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

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

PPTA vs. AA - Yearly Performance Comparison

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

Correlation

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

Return for Risk

PPTA vs. AA — Risk / Return Rank

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

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

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

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.

PPTA vs. AA - Risk-Adjusted Trends Comparison

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

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

PPTA vs. AA - Sharpe Ratio Comparison

The current PPTA Sharpe Ratio is 1.16, which is lower than the AA Sharpe Ratio of 2.60. The chart below compares the historical Sharpe Ratios of PPTA and AA, 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

PPTA vs. AA - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

PPTA vs. AA - Volatility Comparison

Perpetua Resources Corp (PPTA) has a higher volatility of 25.93% compared to Alcoa Corporation (AA) at 21.35%. This indicates that PPTA's price experiences larger fluctuations and is considered to be riskier than AA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Dividends

PPTA vs. AA - Dividend Comparison

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

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 PPTA and AA in my portfolio?

PPTA and AA 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, PPTA or AA?

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

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.