BCOG.L vs. COMM.L

Last updated Jun 4, 2026

BCOG.L (L&G All Commodities UCITS ETF) and COMM.L (iShares Diversified Commodity Swap UCITS ETF) are both Commodities funds tracking the Bloomberg Commodity, from Legal & General and iShares respectively. Both are passively managed. Over the past 5 years, BCOG.L returned 12.73%/yr vs 12.56%/yr for COMM.L. Their correlation of 0.92 suggests significant overlap in exposure. BCOG.L charges 0.15%/yr vs 0.19%/yr for COMM.L.

Performance

BCOG.L vs. COMM.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in L&G All Commodities UCITS ETF (BCOG.L) and iShares Diversified Commodity Swap UCITS ETF (COMM.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with BCOG.L having a 26.69% return and COMM.L slightly lower at 26.50%.

BCOG.L

• 1D: 0.70%
• 1M: -0.33%
• YTD: 26.69%
• 6M: 24.71%
• 1Y: 39.39%
• 3Y*: 13.46%
• 5Y*: 12.73%
• 10Y*: —

COMM.L

• 1D: 0.70%
• 1M: -0.33%
• YTD: 26.50%
• 6M: 24.77%
• 1Y: 40.42%
• 3Y*: 13.56%
• 5Y*: 12.56%
• 10Y*: —

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

BCOG.L vs. COMM.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BCOG.L L&G All Commodities UCITS ETF	26.69%	8.16%	6.13%	-12.32%	29.36%	29.04%	-6.24%	1.82%	-4.64%	0.64%
COMM.L iShares Diversified Commodity Swap UCITS ETF	26.50%	8.53%	6.19%	-12.55%	28.34%	29.04%	-7.09%	2.79%	-4.51%	0.62%

Correlation

The correlation between BCOG.L and COMM.L is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.99
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (All Time) Calculated using the full available price history since Aug 23, 2017	0.92

The correlation between BCOG.L and COMM.L has been stable across timeframes, ranging from 0.92 to 0.99 - a consistent structural relationship.

BCOG.L vs. COMM.L - Sectors Allocation Comparison

Sectors	BCOG.L	COMM.L
Basic Materials	35.8%	35.8%
Financial Services	17.8%	17.8%
Consumer Cyclical	12.9%	12.9%
Communication Services	12.3%	12.3%
Consumer Defensive	9.7%	9.7%
Real Estate	5.8%	5.8%
Technology	5.6%	5.6%
Energy	-	-
Healthcare	-	-
Industrials	-	-
Utilities	-	-

Return for Risk

BCOG.L vs. COMM.L — Risk / Return Rank

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

BCOG.L

BCOG.L Risk / Return Rank: 65
BCOG.L Sharpe Ratio Rank: 63
BCOG.L Sortino Ratio Rank: 55
BCOG.L Omega Ratio Rank: 63
BCOG.L Calmar Ratio Rank: 84
BCOG.L Martin Ratio Rank: 59

COMM.L

COMM.L Risk / Return Rank: 68
COMM.L Sharpe Ratio Rank: 65
COMM.L Sortino Ratio Rank: 55
COMM.L Omega Ratio Rank: 65
COMM.L Calmar Ratio Rank: 89
COMM.L Martin Ratio Rank: 67

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.

BCOG.L vs. COMM.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for L&G All Commodities UCITS ETF (BCOG.L) and iShares Diversified Commodity Swap UCITS ETF (COMM.L). 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.

	BCOG.L	COMM.L	Difference
Sharpe ratio: Return per unit of total volatility	2.13	2.17	-0.05
Sortino ratio: Return per unit of downside risk	2.64	2.64	0.00
Omega ratio: Gain probability vs. loss probability	1.38	1.40	-0.01
Calmar ratio: Return relative to maximum drawdown	4.57	5.37	-0.80
Martin ratio: Return relative to average drawdown	10.61	12.27	-1.66
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BCOG.L vs. COMM.L - Sharpe Ratio Comparison

The current BCOG.L Sharpe Ratio is 2.13, which is comparable to the COMM.L Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of BCOG.L and COMM.L, 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

	BCOG.L	COMM.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.13	2.17	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.75	0.76	-0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.52	-0.02

Drawdowns

BCOG.L vs. COMM.L - Drawdown Comparison

The maximum BCOG.L drawdown since its inception was -28.15%, roughly equal to the maximum COMM.L drawdown of -28.49%. Use the drawdown chart below to compare losses from any high point for BCOG.L and COMM.L.

Drawdown Indicators

	BCOG.L	COMM.L	Difference
Max Drawdown Largest peak-to-trough decline	-28.15%	-28.49%	+0.34%
Max Drawdown (1Y) Largest decline over 1 year	-8.57%	-7.49%	-1.08%
Max Drawdown (3Y) Largest decline over 3 years	-14.48%	-14.73%	+0.25%
Max Drawdown (5Y) Largest decline over 5 years	-27.76%	-28.49%	+0.73%
Current Drawdown Current decline from peak	-3.86%	-3.76%	-0.10%
Average Drawdown Average peak-to-trough decline	-11.67%	-12.16%	+0.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.70%	3.28%	+0.42%

Volatility

BCOG.L vs. COMM.L - Volatility Comparison

L&G All Commodities UCITS ETF (BCOG.L) and iShares Diversified Commodity Swap UCITS ETF (COMM.L) have volatilities of 6.04% and 6.13%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BCOG.L	COMM.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.04%	6.13%	-0.09%
Volatility (6M) Calculated over the trailing 6-month period	15.82%	16.37%	-0.55%
Volatility (1Y) Calculated over the trailing 1-year period	18.45%	18.53%	-0.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.88%	16.50%	+0.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.70%	15.37%	+0.33%

BCOG.L vs. COMM.L - Expense Ratio Comparison

BCOG.L has a 0.15% expense ratio, which is lower than COMM.L's 0.19% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

BCOG.L vs. COMM.L - Dividend Comparison

Neither BCOG.L nor COMM.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both BCOG.L and COMM.L in my portfolio?

With a correlation of 0.99, BCOG.L and COMM.L move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, BCOG.L or COMM.L?

On fees, BCOG.L is cheaper at 0.15% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BCOG.L or COMM.L?

BCOG.L is cheaper with a 0.15% expense ratio, compared with 0.19% for COMM.L.

What is the main difference between BCOG.L and COMM.L?

Both ETFs track Bloomberg Commodity. They also come from different issuers: Legal & General and iShares. Their fees differ too: 0.15% for BCOG.L and 0.19% for COMM.L.