ARG.TO vs. ERO

Last updated Jun 4, 2026

ARG.TO (Amerigo Resources Ltd.) and ERO (Ero Copper Corp) are both stocks. Both operate in the Copper industry within the Basic Materials sector. Over the past 5 years, ARG.TO returned 51.54%/yr vs 9.16%/yr for ERO. At a 0.37 correlation, their price movements are largely independent.

Performance

ARG.TO vs. ERO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in Amerigo Resources Ltd. (ARG.TO) and Ero Copper Corp (ERO). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

ARG.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, ARG.TO achieves a 59.88% return, which is significantly higher than ERO's 10.87% return.

ARG.TO

• 1D: -4.90%
• 1M: 16.81%
• YTD: 59.88%
• 6M: 89.76%
• 1Y: 300.43%
• 3Y*: 80.97%
• 5Y*: 51.54%
• 10Y*: 53.71%

ERO

• 1D: -3.43%
• 1M: 29.14%
• YTD: 10.87%
• 6M: 22.37%
• 1Y: 114.13%
• 3Y*: 21.81%
• 5Y*: 9.16%
• 10Y*: —

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

ARG.TO vs. ERO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ARG.TO Amerigo Resources Ltd.	59.88%	211.73%	23.68%	14.36%	-1.43%	85.47%	35.59%	-33.71%	-19.09%	32.53%
ERO Ero Copper Corp	10.87%	100.24%	-7.30%	12.31%	-3.66%	-6.59%	-12.48%	139.30%	31.84%	51.30%

Correlation

The correlation between ARG.TO and ERO is 0.55, 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	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.52
Correlation (5Y) Calculated over the trailing 5-year period	0.48
Correlation (All Time) Calculated using the full available price history since Oct 24, 2017	0.37

The correlation between ARG.TO and ERO shifts across timeframes, from 0.37 (all time) to 0.55 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap ARG.TO : CA$1.16B ERO : $3.25B
EPS ARG.TO : CA$0.29 ERO : $2.80
PE Ratio ARG.TO : 24.36 ERO : 11.08
PEG Ratio ARG.TO : 0.21 ERO : 0.12
PS Ratio ARG.TO : 3.72 ERO : 3.50
PB Ratio ARG.TO : 9.77 ERO : 2.95
Total Revenue (TTM) ARG.TO : CA$308.76M ERO : $925.20M
Gross Profit (TTM) ARG.TO : CA$84.85M ERO : $394.67M
EBITDA (TTM) ARG.TO : CA$102.47M ERO : $528.87M

Return for Risk

ARG.TO vs. ERO — Risk / Return Rank

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

ARG.TO

ARG.TO Risk / Return Rank: 98
ARG.TO Sharpe Ratio Rank: 99
ARG.TO Sortino Ratio Rank: 98
ARG.TO Omega Ratio Rank: 97
ARG.TO Calmar Ratio Rank: 97
ARG.TO Martin Ratio Rank: 98

ERO

ERO Risk / Return Rank: 82
ERO Sharpe Ratio Rank: 88
ERO Sortino Ratio Rank: 81
ERO Omega Ratio Rank: 79
ERO Calmar Ratio Rank: 81
ERO Martin Ratio Rank: 79

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.

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

This table presents a comparison of risk-adjusted performance metrics for Amerigo Resources Ltd. (ARG.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.

	ARG.TO	ERO	Difference
Sharpe ratio: Return per unit of total volatility	6.06	2.12	+3.94
Sortino ratio: Return per unit of downside risk	5.04	2.52	+2.52
Omega ratio: Gain probability vs. loss probability	1.70	1.32	+0.38
Calmar ratio: Return relative to maximum drawdown	10.54	3.11	+7.43
Martin ratio: Return relative to average drawdown	36.85	7.01	+29.84
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARG.TO vs. ERO - Sharpe Ratio Comparison

The current ARG.TO Sharpe Ratio is 6.06, which is higher than the ERO Sharpe Ratio of 2.12. The chart below compares the historical Sharpe Ratios of ARG.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

	ARG.TO	ERO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	6.06	2.12	+3.94
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.19	0.18	+1.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.90	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.01	0.59	-0.59

Drawdowns

ARG.TO vs. ERO - Drawdown Comparison

The maximum ARG.TO drawdown since its inception was -96.24%, which is greater than ERO's maximum drawdown of -63.80%. Use the drawdown chart below to compare losses from any high point for ARG.TO and ERO.

Drawdown Indicators

	ARG.TO	ERO	Difference
Max Drawdown Largest peak-to-trough decline	-96.24%	-63.80%	-32.44%
Max Drawdown (1Y) Largest decline over 1 year	-28.72%	-36.92%	+8.20%
Max Drawdown (3Y) Largest decline over 3 years	-29.42%	-57.76%	+28.34%
Max Drawdown (5Y) Largest decline over 5 years	-52.89%	-62.01%	+9.12%
Max Drawdown (10Y) Largest decline over 10 years	-90.00%	—	—
Current Drawdown Current decline from peak	-4.90%	-16.11%	+11.21%
Average Drawdown Average peak-to-trough decline	-49.03%	-24.81%	-24.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.20%	16.34%	-8.14%

Volatility

ARG.TO vs. ERO - Volatility Comparison

The current volatility for Amerigo Resources Ltd. (ARG.TO) is 16.64%, while Ero Copper Corp (ERO) has a volatility of 19.96%. This indicates that ARG.TO experiences smaller price fluctuations and is considered to be less risky than ERO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARG.TO	ERO	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.64%	19.96%	-3.32%
Volatility (6M) Calculated over the trailing 6-month period	39.81%	41.71%	-1.90%
Volatility (1Y) Calculated over the trailing 1-year period	49.94%	54.07%	-4.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.72%	51.61%	-7.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.24%	56.26%	+3.98%

Dividends

ARG.TO vs. ERO - Dividend Comparison

ARG.TO's dividend yield for the trailing twelve months is around 5.15%, while ERO has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021
ARG.TO Amerigo Resources Ltd.	5.15%	3.96%	10.26%	8.63%	9.09%	1.37%
ERO Ero Copper Corp	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

ARG.TO vs. ERO - Profitability Comparison

The chart below illustrates the profitability comparison between Amerigo Resources Ltd. and Ero Copper Corp over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ARG.TO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amerigo Resources Ltd. reported a gross profit of 26.88M and revenue of 100.54M. Therefore, the gross margin over that period was 26.7%.

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%.

ARG.TO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amerigo Resources Ltd. reported an operating income of 24.88M and revenue of 100.54M, resulting in an operating margin of 24.7%.

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%.

ARG.TO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amerigo Resources Ltd. reported a net income of 14.72M and revenue of 100.54M, resulting in a net margin of 14.6%.

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 ARG.TO and ERO in my portfolio?

ARG.TO and ERO have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.