COMT vs. COST

Last updated Jun 9, 2026

COMT (iShares Commodities Select Strategy ETF) is Commodities fund actively managed by iShares, while COST (Costco Wholesale Corporation) is a stock. Over the past 10 years, COMT returned 8.65%/yr vs 22.25%/yr for COST. At a 0.10 correlation, their price movements are largely independent.

Performance

COMT vs. COST - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Commodities Select Strategy ETF (COMT) and Costco Wholesale Corporation (COST). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COMT achieves a 35.49% return, which is significantly higher than COST's 13.35% return. Over the past 10 years, COMT has underperformed COST with an annualized return of 8.65%, while COST has yielded a comparatively higher 22.25% annualized return.

COMT

• 1D: 0.65%
• 1M: -2.46%
• YTD: 35.49%
• 6M: 35.13%
• 1Y: 41.04%
• 3Y*: 15.85%
• 5Y*: 12.68%
• 10Y*: 8.65%

COST

• 1D: 0.30%
• 1M: -3.37%
• YTD: 13.35%
• 6M: 10.14%
• 1Y: -3.42%
• 3Y*: 25.18%
• 5Y*: 22.05%
• 10Y*: 22.25%

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

COMT vs. COST - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COMT iShares Commodities Select Strategy ETF	35.49%	6.07%	5.96%	-6.56%	19.45%	36.88%	-18.66%	10.81%	-6.67%	11.70%
COST Costco Wholesale Corporation	13.35%	-5.39%	39.62%	49.00%	-19.05%	51.82%	32.67%	45.70%	10.60%	22.37%

Correlation

The correlation between COMT and COST 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 (1Y) Calculated over the trailing 1-year period	-0.02
Correlation (3Y) Calculated over the trailing 3-year period	-0.00
Correlation (5Y) Calculated over the trailing 5-year period	0.02
Correlation (10Y) Calculated over the trailing 10-year period	0.09
Correlation (All Time) Calculated using the full available price history since Oct 17, 2014	0.10

The correlation between COMT and COST shifts across timeframes, from -0.02 (1 year) to 0.10 (all time), reflecting how their relationship changes across market environments.

Return for Risk

COMT vs. COST — Risk / Return Rank

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

COMT

COMT Risk / Return Rank: 69
COMT Sharpe Ratio Rank: 64
COMT Sortino Ratio Rank: 60
COMT Omega Ratio Rank: 63
COMT Calmar Ratio Rank: 89
COMT Martin Ratio Rank: 70

COST

COST Risk / Return Rank: 32
COST Sharpe Ratio Rank: 34
COST Sortino Ratio Rank: 28
COST Omega Ratio Rank: 28
COST Calmar Ratio Rank: 35
COST Martin Ratio Rank: 33

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.

COMT vs. COST - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Commodities Select Strategy ETF (COMT) and Costco Wholesale Corporation (COST). 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.

	COMT	COST	Difference
Sharpe ratio: Return per unit of total volatility	1.92	-0.18	+2.10
Sortino ratio: Return per unit of downside risk	2.53	-0.13	+2.66
Omega ratio: Gain probability vs. loss probability	1.34	0.98	+0.36
Calmar ratio: Return relative to maximum drawdown	4.99	-0.22	+5.21
Martin ratio: Return relative to average drawdown	11.85	-0.51	+12.36
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COMT vs. COST - Sharpe Ratio Comparison

The current COMT Sharpe Ratio is 1.92, which is higher than the COST Sharpe Ratio of -0.18. The chart below compares the historical Sharpe Ratios of COMT and COST, 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

	COMT	COST	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.92	-0.18	+2.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.60	0.98	-0.37
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	1.02	-0.56
Sharpe Ratio (All Time) Calculated using the full available price history	0.19	0.59	-0.40

Drawdowns

COMT vs. COST - Drawdown Comparison

The maximum COMT drawdown since its inception was -51.89%, roughly equal to the maximum COST drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for COMT and COST.

Drawdown Indicators

	COMT	COST	Difference
Max Drawdown Largest peak-to-trough decline	-51.89%	-53.39%	+1.50%
Max Drawdown (1Y) Largest decline over 1 year	-8.27%	-15.38%	+7.11%
Max Drawdown (3Y) Largest decline over 3 years	-13.31%	-20.74%	+7.43%
Max Drawdown (5Y) Largest decline over 5 years	-29.00%	-31.40%	+2.40%
Max Drawdown (10Y) Largest decline over 10 years	-39.22%	-31.40%	-7.82%
Current Drawdown Current decline from peak	-7.67%	-10.93%	+3.26%
Average Drawdown Average peak-to-trough decline	-24.05%	-13.36%	-10.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.47%	7.15%	-3.68%

Volatility

COMT vs. COST - Volatility Comparison

The current volatility for iShares Commodities Select Strategy ETF (COMT) is 6.67%, while Costco Wholesale Corporation (COST) has a volatility of 7.71%. This indicates that COMT experiences smaller price fluctuations and is considered to be less risky than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COMT	COST	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.67%	7.71%	-1.04%
Volatility (6M) Calculated over the trailing 6-month period	19.03%	14.53%	+4.50%
Volatility (1Y) Calculated over the trailing 1-year period	21.50%	18.79%	+2.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.09%	22.71%	-1.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.90%	21.95%	-3.05%

Dividends

COMT vs. COST - Dividend Comparison

COMT's dividend yield for the trailing twelve months is around 5.71%, more than COST's 0.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COMT iShares Commodities Select Strategy ETF	5.71%	7.74%	4.90%	5.19%	29.79%	17.79%	0.36%	2.61%	11.65%	5.16%	0.52%	1.44%
COST Costco Wholesale Corporation	0.55%	0.59%	0.49%	2.87%	0.76%	0.54%	3.38%	0.86%	1.08%	4.81%	1.09%	4.06%

Frequently Asked Questions

Can I hold both COMT and COST in my portfolio?

COMT and COST 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 is riskier, COMT or COST?

COST has higher volatility (7.71%) compared to COMT (6.67%). In terms of maximum drawdown, COMT dropped -51.89% vs COST's -53.39%.

Which has better risk-adjusted returns?

COMT currently has the higher Sharpe Ratio (1.92 vs -0.18), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.