III.TO vs. COPX

Last updated Jun 4, 2026

III.TO (Imperial Metals Corporation) is a stock, while COPX (Global X Copper Miners ETF) is Materials fund tracking the Solactive Global Copper Miners Total Return Index. Over the past 10 years, III.TO returned 1.85%/yr vs 22.83%/yr for COPX. At a 0.35 correlation, their price movements are largely independent.

Performance

III.TO vs. COPX - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in Imperial Metals Corporation (III.TO) and Global X Copper Miners ETF (COPX). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

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

Returns By Period

In the year-to-date period, III.TO achieves a -30.80% return, which is significantly lower than COPX's 27.31% return. Over the past 10 years, III.TO has underperformed COPX with an annualized return of 1.85%, while COPX has yielded a comparatively higher 22.83% annualized return.

III.TO

• 1D: -3.08%
• 1M: 7.79%
• YTD: -30.80%
• 6M: -10.48%
• 1Y: 43.57%
• 3Y*: 54.95%
• 5Y*: 6.84%
• 10Y*: 1.85%

COPX

• 1D: -3.25%
• 1M: 20.09%
• YTD: 27.31%
• 6M: 36.37%
• 1Y: 123.67%
• 3Y*: 38.95%
• 5Y*: 23.30%
• 10Y*: 22.83%

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

III.TO vs. COPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
III.TO Imperial Metals Corporation	-30.80%	449.45%	-16.51%	20.44%	-42.90%	-37.84%	147.57%	32.90%	-54.28%	-44.06%
COPX Global X Copper Miners ETF	27.31%	84.63%	12.46%	5.99%	6.31%	22.27%	49.09%	6.95%	-25.48%	30.08%

Correlation

The correlation between III.TO and COPX is 0.65, 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	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.39
Correlation (5Y) Calculated over the trailing 5-year period	0.33
Correlation (10Y) Calculated over the trailing 10-year period	0.30
Correlation (All Time) Calculated using the full available price history since Apr 21, 2010	0.35

Over the past year, III.TO and COPX have become more correlated (0.65) than their long-term average of 0.35, meaning their price movements have been converging.

Return for Risk

III.TO vs. COPX — Risk / Return Rank

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

III.TO

III.TO Risk / Return Rank: 61
III.TO Sharpe Ratio Rank: 65
III.TO Sortino Ratio Rank: 61
III.TO Omega Ratio Rank: 61
III.TO Calmar Ratio Rank: 58
III.TO Martin Ratio Rank: 58

COPX

COPX Risk / Return Rank: 75
COPX Sharpe Ratio Rank: 86
COPX Sortino Ratio Rank: 67
COPX Omega Ratio Rank: 67
COPX Calmar Ratio Rank: 82
COPX 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.

III.TO vs. COPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Imperial Metals Corporation (III.TO) and Global X Copper Miners ETF (COPX). 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.

	III.TO	COPX	Difference
Sharpe ratio: Return per unit of total volatility	0.75	3.11	-2.36
Sortino ratio: Return per unit of downside risk	1.32	3.34	-2.02
Omega ratio: Gain probability vs. loss probability	1.17	1.44	-0.27
Calmar ratio: Return relative to maximum drawdown	0.80	4.54	-3.74
Martin ratio: Return relative to average drawdown	1.77	14.98	-13.21
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

III.TO vs. COPX - Sharpe Ratio Comparison

The current III.TO Sharpe Ratio is 0.75, which is lower than the COPX Sharpe Ratio of 3.11. The chart below compares the historical Sharpe Ratios of III.TO and COPX, 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

	III.TO	COPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.75	3.11	-2.36
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.13	0.70	-0.57
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.03	0.71	-0.68
Sharpe Ratio (All Time) Calculated using the full available price history	0.02	0.28	-0.27

Drawdowns

III.TO vs. COPX - Drawdown Comparison

The maximum III.TO drawdown since its inception was -98.92%, which is greater than COPX's maximum drawdown of -75.17%. Use the drawdown chart below to compare losses from any high point for III.TO and COPX.

Drawdown Indicators

	III.TO	COPX	Difference
Max Drawdown Largest peak-to-trough decline	-98.92%	-75.17%	-23.75%
Max Drawdown (1Y) Largest decline over 1 year	-54.57%	-27.39%	-27.18%
Max Drawdown (3Y) Largest decline over 3 years	-54.57%	-36.90%	-17.67%
Max Drawdown (5Y) Largest decline over 5 years	-67.20%	-39.37%	-27.83%
Max Drawdown (10Y) Largest decline over 10 years	-87.50%	-59.78%	-27.72%
Current Drawdown Current decline from peak	-62.27%	-3.91%	-58.36%
Average Drawdown Average peak-to-trough decline	-59.48%	-31.72%	-27.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	24.73%	8.29%	+16.44%

Volatility

III.TO vs. COPX - Volatility Comparison

Imperial Metals Corporation (III.TO) has a higher volatility of 20.78% compared to Global X Copper Miners ETF (COPX) at 15.34%. This indicates that III.TO's price experiences larger fluctuations and is considered to be riskier than COPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	III.TO	COPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.78%	15.34%	+5.44%
Volatility (6M) Calculated over the trailing 6-month period	46.67%	34.54%	+12.13%
Volatility (1Y) Calculated over the trailing 1-year period	58.50%	40.01%	+18.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	52.65%	33.35%	+19.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	62.51%	32.49%	+30.02%

Dividends

III.TO vs. COPX - Dividend Comparison

III.TO has not paid dividends to shareholders, while COPX's dividend yield for the trailing twelve months is around 2.13%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPX Global X Copper Miners ETF	2.13%	2.68%	1.80%	2.39%	3.14%	1.48%	1.30%	1.37%	2.59%	1.57%	0.60%	1.20%
III.TO Imperial Metals Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both III.TO and COPX in my portfolio?

III.TO and COPX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.