GCOW vs. IAUM

Last updated Jun 13, 2026

GCOW (Pacer Global Cash Cows Dividend ETF) and IAUM (iShares Gold Trust Micro) are both exchange-traded funds - GCOW is a Large Cap Value Equities fund tracking the Pacer Global Cash Cows Dividends Index, while IAUM is a Gold fund tracking the LBMA Gold Price PM. Both are passively managed. Over the past 3 years, GCOW returned 16.79%/yr vs 29.28%/yr for IAUM. At a 0.32 correlation, their price movements are largely independent. GCOW charges 0.60%/yr vs 0.09%/yr for IAUM.

Performance

GCOW vs. IAUM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Pacer Global Cash Cows Dividend ETF (GCOW) and iShares Gold Trust Micro (IAUM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GCOW achieves a 12.75% return, which is significantly higher than IAUM's -2.40% return.

GCOW

• 1D: 0.22%
• 1M: -0.75%
• YTD: 12.75%
• 6M: 13.53%
• 1Y: 24.86%
• 3Y*: 16.79%
• 5Y*: 12.37%
• 10Y*: 10.32%

IAUM

• 1D: 0.10%
• 1M: -9.51%
• YTD: -2.40%
• 6M: -2.08%
• 1Y: 22.55%
• 3Y*: 29.28%
• 5Y*: —
• 10Y*: —

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

GCOW vs. IAUM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
GCOW Pacer Global Cash Cows Dividend ETF	12.75%	27.34%	3.52%	13.95%	5.49%	2.76%
IAUM iShares Gold Trust Micro	-2.40%	64.27%	27.04%	13.12%	-0.49%	3.87%

Correlation

The correlation between GCOW and IAUM is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (All Time) Calculated using the full available price history since Jun 29, 2021	0.32

GCOW vs. IAUM - Sectors Allocation Comparison

Sectors	GCOW	IAUM
Energy	24.4%	-
Consumer Defensive	17.1%	-
Healthcare	14.6%	-
Communication Services	14.6%	-
Industrials	12.4%	-
Basic Materials	7.3%	-
Consumer Cyclical	4.6%	-
Utilities	4.1%	-
Technology	0.9%	-
Financial Services	-	-
Real Estate	-	100.0%

Return for Risk

GCOW vs. IAUM — Risk / Return Rank

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

GCOW

GCOW Risk / Return Rank: 82
GCOW Sharpe Ratio Rank: 81
GCOW Sortino Ratio Rank: 84
GCOW Omega Ratio Rank: 77
GCOW Calmar Ratio Rank: 91
GCOW Martin Ratio Rank: 78

IAUM

IAUM Risk / Return Rank: 27
IAUM Sharpe Ratio Rank: 28
IAUM Sortino Ratio Rank: 25
IAUM Omega Ratio Rank: 31
IAUM Calmar Ratio Rank: 24
IAUM Martin Ratio Rank: 25

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.

GCOW vs. IAUM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Pacer Global Cash Cows Dividend ETF (GCOW) and iShares Gold Trust Micro (IAUM). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	GCOW	IAUM	Difference
Sharpe ratio: Return per unit of total volatility	2.26	0.90	+1.36
Sortino ratio: Return per unit of downside risk	3.27	1.26	+2.01
Omega ratio: Gain probability vs. loss probability	1.39	1.19	+0.21
Calmar ratio: Return relative to maximum drawdown	5.13	1.00	+4.13
Martin ratio: Return relative to average drawdown	13.09	2.87	+10.22

GCOW vs. IAUM - Sharpe Ratio Comparison

The current GCOW Sharpe Ratio is 2.26, which is higher than the IAUM Sharpe Ratio of 0.90. The chart below compares the historical Sharpe Ratios of GCOW and IAUM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

GCOW vs. IAUM - Drawdown Comparison

The maximum GCOW drawdown since its inception was -37.64%, which is greater than IAUM's maximum drawdown of -24.37%. Use the drawdown chart below to compare losses from any high point for GCOW and IAUM.

Drawdown Indicators

	GCOW	IAUM	Difference
Max Drawdown Largest peak-to-trough decline	-37.64%	-24.37%	-13.27%
Max Drawdown (1Y) Largest decline over 1 year	-4.77%	-24.37%	+19.60%
Max Drawdown (3Y) Largest decline over 3 years	-12.35%	-24.37%	+12.02%
Max Drawdown (5Y) Largest decline over 5 years	-21.48%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-37.64%	—	—
Current Drawdown Current decline from peak	-2.24%	-21.99%	+19.75%
Average Drawdown Average peak-to-trough decline	-5.83%	-5.38%	-0.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.88%	8.46%	-6.58%

Volatility

GCOW vs. IAUM - Volatility Comparison

The current volatility for Pacer Global Cash Cows Dividend ETF (GCOW) is 2.45%, while iShares Gold Trust Micro (IAUM) has a volatility of 7.71%. This indicates that GCOW experiences smaller price fluctuations and is considered to be less risky than IAUM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GCOW	IAUM	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.45%	7.71%	-5.26%
Volatility (6M) Calculated over the trailing 6-month period	7.96%	23.82%	-15.86%
Volatility (1Y) Calculated over the trailing 1-year period	10.85%	27.06%	-16.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.49%	18.05%	-4.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.17%	18.05%	-1.88%

GCOW vs. IAUM - Expense Ratio Comparison

GCOW has a 0.60% expense ratio, which is higher than IAUM's 0.09% expense ratio.

Dividends

GCOW vs. IAUM - Dividend Comparison

GCOW's dividend yield for the trailing twelve months is around 4.67%, while IAUM has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
GCOW Pacer Global Cash Cows Dividend ETF	4.67%	4.06%	5.14%	5.28%	4.39%	4.23%	4.12%	4.40%	3.94%	2.79%	1.95%
IAUM iShares Gold Trust Micro	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 GCOW and IAUM in my portfolio?

GCOW and IAUM have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GCOW or IAUM?

IAUM has higher volatility (7.71%) compared to GCOW (2.45%). In terms of maximum drawdown, GCOW dropped -37.64% vs IAUM's -24.37%.

Which ETF is better, GCOW or IAUM?

On 3-year performance, IAUM leads with 29.28% vs 16.79% for GCOW. On fees, IAUM is cheaper at 0.09% per year. On volatility, GCOW has been the lower-risk option at 2.45%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GCOW or IAUM?

Over the 3-year period, IAUM has performed better with a 29.28% return vs 16.79%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GCOW or IAUM?

IAUM is cheaper with a 0.09% expense ratio, compared with 0.60% for GCOW.

Which ETF pays a higher dividend yield, GCOW or IAUM?

GCOW has the higher dividend yield at 4.67%, compared with 0.00% for IAUM.

What is the main difference between GCOW and IAUM?

GCOW is categorized as Large Cap Value Equities, while IAUM is Gold. GCOW tracks Pacer Global Cash Cows Dividends Index, while IAUM tracks LBMA Gold Price PM. They also come from different issuers: Pacer and iShares. Their fees differ too: 0.60% for GCOW and 0.09% for IAUM.

Which has better risk-adjusted returns?

GCOW currently has the higher Sharpe Ratio (2.26 vs 0.90), 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.