CTWO vs. CMDY

Last updated Jun 4, 2026

CTWO (COtwo Advisors Physical European Carbon Allowance Trust) and CMDY (iShares Bloomberg Roll Select Commodity Strategy ETF) are both Commodities funds. At a 0.02 correlation, their price movements are largely independent. CTWO charges 0.79%/yr vs 0.28%/yr for CMDY.

Performance

CTWO vs. CMDY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in COtwo Advisors Physical European Carbon Allowance Trust (CTWO) and iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CTWO achieves a -15.24% return, which is significantly lower than CMDY's 25.44% return.

CTWO

• 1D: 2.00%
• 1M: 1.51%
• YTD: -15.24%
• 6M: -10.98%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

CMDY

• 1D: 0.02%
• 1M: -2.52%
• YTD: 25.44%
• 6M: 24.53%
• 1Y: 37.10%
• 3Y*: 15.48%
• 5Y*: 10.71%
• 10Y*: —

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

CTWO vs. CMDY - Yearly Performance Comparison

	2026 (YTD)	2025
CTWO COtwo Advisors Physical European Carbon Allowance Trust	-15.24%	15.78%
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF	25.44%	4.91%

Correlation

The correlation between CTWO and CMDY is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 23, 2025	0.02

Return for Risk

CTWO vs. CMDY — Risk / Return Rank

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

CMDY

CMDY Risk / Return Rank: 72
CMDY Sharpe Ratio Rank: 69
CMDY Sortino Ratio Rank: 61
CMDY Omega Ratio Rank: 69
CMDY Calmar Ratio Rank: 86
CMDY Martin Ratio Rank: 75

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.

CTWO vs. CMDY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for COtwo Advisors Physical European Carbon Allowance Trust (CTWO) and iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	CTWO	CMDY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.32	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.68	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.07	0.56	-0.63

Drawdowns

CTWO vs. CMDY - Drawdown Comparison

The maximum CTWO drawdown since its inception was -30.13%, roughly equal to the maximum CMDY drawdown of -31.19%. Use the drawdown chart below to compare losses from any high point for CTWO and CMDY.

Drawdown Indicators

	CTWO	CMDY	Difference
Max Drawdown Largest peak-to-trough decline	-30.13%	-31.19%	+1.06%
Max Drawdown (1Y) Largest decline over 1 year	—	-7.73%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-10.08%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-26.56%	—
Current Drawdown Current decline from peak	-24.89%	-3.97%	-20.92%
Average Drawdown Average peak-to-trough decline	-9.19%	-13.14%	+3.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.57%	—

Volatility

Volatility by Period

	CTWO	CMDY	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	5.04%	—
Volatility (6M) Calculated over the trailing 6-month period	—	14.20%	—
Volatility (1Y) Calculated over the trailing 1-year period	27.94%	16.06%	+11.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.94%	15.80%	+12.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.94%	14.63%	+13.31%

CTWO vs. CMDY - Expense Ratio Comparison

CTWO has a 0.79% expense ratio, which is higher than CMDY's 0.28% expense ratio.

Dividends

CTWO vs. CMDY - Dividend Comparison

CTWO has not paid dividends to shareholders, while CMDY's dividend yield for the trailing twelve months is around 10.28%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF	10.28%	12.89%	4.23%	5.10%	3.98%	16.09%	0.15%	2.21%	1.73%
CTWO COtwo Advisors Physical European Carbon Allowance Trust	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 CTWO and CMDY in my portfolio?

CTWO and CMDY have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CTWO or CMDY?

On fees, CMDY is cheaper at 0.28% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CTWO or CMDY?

CMDY is cheaper with a 0.28% expense ratio, compared with 0.79% for CTWO.

Which ETF pays a higher dividend yield, CTWO or CMDY?

CMDY has the higher dividend yield at 10.28%, compared with 0.00% for CTWO.

What is the main difference between CTWO and CMDY?

They also come from different issuers: COtwo Advisors and iShares. Their fees differ too: 0.79% for CTWO and 0.28% for CMDY.