BCD vs. CMDY

Last updated Apr 1, 2026

Compare and contrast key facts about abrdn Bloomberg All Commodity Longer Dated Strategy K-1 Free ETF (BCD) and iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY).

BCD and CMDY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BCD is an actively managed fund by Aberdeen. It was launched on Mar 30, 2017. CMDY is a passively managed fund by iShares that tracks the performance of the Bloomberg Roll Select Commodity Total Return Index. It was launched on Apr 3, 2018.

Performance

BCD vs. CMDY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in abrdn Bloomberg All Commodity Longer Dated Strategy K-1 Free ETF (BCD) and iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY). The values are adjusted to include any dividend payments, if applicable.

BCD vs. CMDY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
BCD abrdn Bloomberg All Commodity Longer Dated Strategy K-1 Free ETF	15.57%	15.71%	6.20%	-7.58%	18.38%	31.87%	4.76%	7.34%	-10.11%
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF	21.89%	15.81%	5.43%	-9.33%	14.55%	26.38%	1.15%	4.96%	-11.11%

Returns By Period

In the year-to-date period, BCD achieves a 15.57% return, which is significantly lower than CMDY's 21.89% return.

BCD

• 1D: -0.67%
• 1M: 4.50%
• YTD: 15.57%
• 6M: 21.94%
• 1Y: 22.76%
• 3Y*: 11.07%
• 5Y*: 13.81%
• 10Y*: —

CMDY

• 1D: -0.40%
• 1M: 8.85%
• YTD: 21.89%
• 6M: 27.68%
• 1Y: 29.42%
• 3Y*: 12.60%
• 5Y*: 12.80%
• 10Y*: —

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

BCD vs. CMDY - Expense Ratio Comparison

BCD has a 0.29% expense ratio, which is higher than CMDY's 0.28% expense ratio.

BCD

abrdn Bloomberg All Commodity Longer Dated Strategy K-1 Free ETF

CMDY

iShares Bloomberg Roll Select Commodity Strategy ETF

Return for Risk

BCD vs. CMDY — Risk / Return Rank

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

BCD

BCD Risk / Return Rank: 80
BCD Sharpe Ratio Rank: 82
BCD Sortino Ratio Rank: 80
BCD Omega Ratio Rank: 78
BCD Calmar Ratio Rank: 85
BCD Martin Ratio Rank: 75

CMDY

CMDY Risk / Return Rank: 88
CMDY Sharpe Ratio Rank: 88
CMDY Sortino Ratio Rank: 87
CMDY Omega Ratio Rank: 86
CMDY Calmar Ratio Rank: 92
CMDY Martin Ratio Rank: 86

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.

BCD vs. CMDY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for abrdn Bloomberg All Commodity Longer Dated Strategy K-1 Free ETF (BCD) 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.

	BCD	CMDY	Difference
Sharpe ratio Return per unit of total volatility	1.51	1.80	-0.29
Sortino ratio Return per unit of downside risk	2.02	2.36	-0.34
Omega ratio Gain probability vs. loss probability	1.29	1.34	-0.05
Calmar ratio Return relative to maximum drawdown	2.42	3.17	-0.75
Martin ratio Return relative to average drawdown	7.58	9.89	-2.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BCD vs. CMDY - Sharpe Ratio Comparison

The current BCD Sharpe Ratio is 1.51, which is comparable to the CMDY Sharpe Ratio of 1.80. The chart below compares the historical Sharpe Ratios of BCD and CMDY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BCD	CMDY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.51	1.80	-0.29
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.90	0.82	+0.08
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.55	+0.10

Correlation

The correlation between BCD and CMDY is 0.91, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

BCD vs. CMDY - Dividend Comparison

BCD's dividend yield for the trailing twelve months is around 14.89%, more than CMDY's 10.58% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
BCD abrdn Bloomberg All Commodity Longer Dated Strategy K-1 Free ETF	14.89%	17.21%	3.60%	4.51%	5.21%	8.30%	1.29%	1.55%	1.59%	0.07%
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF	10.58%	12.89%	4.23%	5.10%	3.98%	16.09%	0.15%	2.21%	1.73%	0.00%

Drawdowns

BCD vs. CMDY - Drawdown Comparison

The maximum BCD drawdown since its inception was -29.81%, roughly equal to the maximum CMDY drawdown of -31.19%. Use the drawdown chart below to compare losses from any high point for BCD and CMDY.

Drawdown Indicators

	BCD	CMDY	Difference
Max Drawdown Largest peak-to-trough decline	-29.81%	-31.19%	+1.38%
Max Drawdown (1Y) Largest decline over 1 year	-9.75%	-9.57%	-0.18%
Max Drawdown (5Y) Largest decline over 5 years	-23.03%	-26.56%	+3.53%
Current Drawdown Current decline from peak	-2.53%	-0.44%	-2.09%
Average Drawdown Average peak-to-trough decline	-10.01%	-13.39%	+3.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.11%	3.06%	+0.05%

Volatility

BCD vs. CMDY - Volatility Comparison

The current volatility for abrdn Bloomberg All Commodity Longer Dated Strategy K-1 Free ETF (BCD) is 5.53%, while iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) has a volatility of 6.73%. This indicates that BCD experiences smaller price fluctuations and is considered to be less risky than CMDY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BCD	CMDY	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.53%	6.73%	-1.20%
Volatility (6M) Calculated over the trailing 6-month period	11.60%	13.01%	-1.41%
Volatility (1Y) Calculated over the trailing 1-year period	15.15%	16.42%	-1.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.42%	15.63%	-0.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.93%	14.54%	-0.61%