AYA.TO vs. ERO

Last updated Jun 9, 2026

AYA.TO (Aya Gold & Silver Inc.) and ERO (Ero Copper Corp) are both stocks. Both are in the Basic Materials sector — AYA.TO in Other Precious Metals & Mining, ERO in Copper. Over the past 5 years, AYA.TO returned 24.03%/yr vs 6.03%/yr for ERO. At a 0.30 correlation, their price movements are largely independent.

Performance

AYA.TO vs. ERO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in Aya Gold & Silver Inc. (AYA.TO) and Ero Copper Corp (ERO). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

AYA.TO is traded in CAD, while ERO is traded in USD. To make them comparable, the ERO values have been converted to CAD using the latest available exchange rates.

Returns By Period

In the year-to-date period, AYA.TO achieves a 24.19% return, which is significantly higher than ERO's -3.18% return.

AYA.TO

• 1D: 2.18%
• 1M: -7.75%
• YTD: 24.19%
• 6M: 39.05%
• 1Y: 74.59%
• 3Y*: 38.50%
• 5Y*: 24.03%
• 10Y*: 44.85%

ERO

• 1D: 4.63%
• 1M: -3.59%
• YTD: -3.18%
• 6M: 11.39%
• 1Y: 73.82%
• 3Y*: 15.58%
• 5Y*: 6.03%
• 10Y*: —

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

AYA.TO vs. ERO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AYA.TO Aya Gold & Silver Inc.	24.19%	82.87%	10.61%	7.65%	-5.55%	148.05%	97.44%	2.09%	16.46%	20.59%
ERO Ero Copper Corp	-3.18%	100.29%	-7.40%	12.10%	-4.37%	-5.78%	-13.08%	141.30%	30.75%	52.39%

Correlation

The correlation between AYA.TO and ERO is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.42
Correlation (5Y) Calculated over the trailing 5-year period	0.40
Correlation (All Time) Calculated using the full available price history since Oct 24, 2017	0.30

Over the past year, AYA.TO and ERO have become more correlated (0.53) than their long-term average of 0.30, meaning their price movements have been converging.

Fundamentals

Market Cap AYA.TO : CA$3.62B ERO : $2.83B
EPS AYA.TO : CA$0.60 ERO : $2.80
PE Ratio AYA.TO : 40.54 ERO : 9.62
PEG Ratio AYA.TO : 0.08 ERO : 0.10
PS Ratio AYA.TO : 12.31 ERO : 3.04
PB Ratio AYA.TO : 7.90 ERO : 2.56
Total Revenue (TTM) AYA.TO : CA$283.62M ERO : $925.20M
Gross Profit (TTM) AYA.TO : CA$155.19M ERO : $394.67M
EBITDA (TTM) AYA.TO : CA$167.72M ERO : $528.87M

Return for Risk

AYA.TO vs. ERO — Risk / Return Rank

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

AYA.TO

AYA.TO Risk / Return Rank: 71
AYA.TO Sharpe Ratio Rank: 72
AYA.TO Sortino Ratio Rank: 69
AYA.TO Omega Ratio Rank: 67
AYA.TO Calmar Ratio Rank: 74
AYA.TO Martin Ratio Rank: 76

ERO

ERO Risk / Return Rank: 73
ERO Sharpe Ratio Rank: 78
ERO Sortino Ratio Rank: 71
ERO Omega Ratio Rank: 71
ERO Calmar Ratio Rank: 74
ERO Martin Ratio Rank: 73

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.

AYA.TO vs. ERO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aya Gold & Silver Inc. (AYA.TO) and Ero Copper Corp (ERO). 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.

	AYA.TO	ERO	Difference
Sharpe ratio: Return per unit of total volatility	0.96	1.29	-0.33
Sortino ratio: Return per unit of downside risk	1.60	1.78	-0.17
Omega ratio: Gain probability vs. loss probability	1.20	1.23	-0.03
Calmar ratio: Return relative to maximum drawdown	1.81	2.00	-0.19
Martin ratio: Return relative to average drawdown	4.71	4.41	+0.30
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AYA.TO vs. ERO - Sharpe Ratio Comparison

The current AYA.TO Sharpe Ratio is 0.96, which is comparable to the ERO Sharpe Ratio of 1.29. The chart below compares the historical Sharpe Ratios of AYA.TO and ERO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	AYA.TO	ERO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.96	1.29	-0.33
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.36	0.11	+0.25
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.22	0.52	-0.30

Drawdowns

AYA.TO vs. ERO - Drawdown Comparison

The maximum AYA.TO drawdown since its inception was -81.67%, which is greater than ERO's maximum drawdown of -64.47%. Use the drawdown chart below to compare losses from any high point for AYA.TO and ERO.

Drawdown Indicators

	AYA.TO	ERO	Difference
Max Drawdown Largest peak-to-trough decline	-81.67%	-64.47%	-17.20%
Max Drawdown (1Y) Largest decline over 1 year	-41.38%	-37.06%	-4.32%
Max Drawdown (3Y) Largest decline over 3 years	-54.86%	-57.79%	+2.93%
Max Drawdown (5Y) Largest decline over 5 years	-54.91%	-62.33%	+7.42%
Max Drawdown (10Y) Largest decline over 10 years	-72.30%	—	—
Current Drawdown Current decline from peak	-18.07%	-27.14%	+9.07%
Average Drawdown Average peak-to-trough decline	-37.49%	-24.89%	-12.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.89%	16.79%	-0.90%

Volatility

AYA.TO vs. ERO - Volatility Comparison

Aya Gold & Silver Inc. (AYA.TO) has a higher volatility of 29.09% compared to Ero Copper Corp (ERO) at 26.95%. This indicates that AYA.TO's price experiences larger fluctuations and is considered to be riskier than ERO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AYA.TO	ERO	Difference
Volatility (1M) Calculated over the trailing 1-month period	29.09%	26.95%	+2.14%
Volatility (6M) Calculated over the trailing 6-month period	57.58%	46.92%	+10.66%
Volatility (1Y) Calculated over the trailing 1-year period	77.87%	57.57%	+20.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	67.45%	55.23%	+12.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	77.62%	59.19%	+18.43%

Dividends

AYA.TO vs. ERO - Dividend Comparison

Neither AYA.TO nor ERO has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

AYA.TO vs. ERO - Profitability Comparison

The chart below illustrates the profitability comparison between Aya Gold & Silver Inc. and Ero Copper Corp over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

AYA.TO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Aya Gold & Silver Inc. reported a gross profit of 82.27M and revenue of 115.35M. Therefore, the gross margin over that period was 71.3%.

ERO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Ero Copper Corp reported a gross profit of 103.33M and revenue of 259.52M. Therefore, the gross margin over that period was 39.8%.

AYA.TO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Aya Gold & Silver Inc. reported an operating income of 76.31M and revenue of 115.35M, resulting in an operating margin of 66.2%.

ERO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Ero Copper Corp reported an operating income of 90.17M and revenue of 259.52M, resulting in an operating margin of 34.7%.

AYA.TO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Aya Gold & Silver Inc. reported a net income of 47.54M and revenue of 115.35M, resulting in a net margin of 41.2%.

ERO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Ero Copper Corp reported a net income of 107.26M and revenue of 259.52M, resulting in a net margin of 41.3%.

Frequently Asked Questions

Can I hold both AYA.TO and ERO in my portfolio?

AYA.TO and ERO have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.