GLOF vs. COPY

Last updated Jul 17, 2026

GLOF (iShares Global Equity Factor ETF) and COPY (Tweedy, Browne Insider + Value ETF) are both Global Equities funds. GLOF is passively managed, while COPY is actively managed. Over the past year, GLOF returned 23.49% vs 30.93% for COPY. A 0.75 correlation means they provide meaningful diversification when combined. GLOF charges 0.20%/yr vs 0.80%/yr for COPY.

Performance

GLOF vs. COPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Global Equity Factor ETF (GLOF) and Tweedy, Browne Insider + Value ETF (COPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GLOF achieves a 12.20% return, which is significantly lower than COPY's 18.84% return.

GLOF

• 1D: -1.08%
• 1M: -0.95%
• 6M: 9.67%
• YTD: 12.20%
• 1Y: 23.49%
• 3Y*: 20.21%
• 5Y*: 11.82%
• 10Y*: 11.99%

COPY

• 1D: 0.95%
• 1M: 2.00%
• 6M: 13.89%
• YTD: 18.84%
• 1Y: 30.93%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

GLOF vs. COPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
GLOF iShares Global Equity Factor ETF	12.20%	23.92%	-2.04%
COPY Tweedy, Browne Insider + Value ETF	18.84%	29.52%	0.05%

Correlation

The correlation between GLOF and COPY is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.71
Correlation (All Time) Calculated using the full available price history since Dec 27, 2024	0.75

The correlation between GLOF and COPY has been stable across timeframes, ranging from 0.71 to 0.75 - a consistent structural relationship.

Return for Risk

GLOF vs. COPY — Risk / Return Rank

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

GLOF

GLOF Risk / Return Rank: 68
GLOF Sharpe Ratio Rank: 68
GLOF Sortino Ratio Rank: 67
GLOF Omega Ratio Rank: 65
GLOF Calmar Ratio Rank: 65
GLOF Martin Ratio Rank: 75

COPY

COPY Risk / Return Rank: 86
COPY Sharpe Ratio Rank: 89
COPY Sortino Ratio Rank: 90
COPY Omega Ratio Rank: 87
COPY Calmar Ratio Rank: 81
COPY Martin Ratio Rank: 84

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.

GLOF vs. COPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global Equity Factor ETF (GLOF) and Tweedy, Browne Insider + Value ETF (COPY). 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.

	GLOF	COPY	Difference
Sharpe ratio: Return per unit of total volatility	1.76	2.37	-0.61
Sortino ratio: Return per unit of downside risk	2.46	3.45	-0.99
Omega ratio: Gain probability vs. loss probability	1.31	1.42	-0.11
Calmar ratio: Return relative to maximum drawdown	2.61	3.43	-0.82
Martin ratio: Return relative to average drawdown	11.02	13.14	-2.12

GLOF vs. COPY - Sharpe Ratio Comparison

The current GLOF Sharpe Ratio is 1.76, which is comparable to the COPY Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of GLOF and COPY, 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

GLOF vs. COPY - Drawdown Comparison

The maximum GLOF drawdown since its inception was -34.12%, which is greater than COPY's maximum drawdown of -14.05%. Use the drawdown chart below to compare losses from any high point for GLOF and COPY.

Drawdown Indicators

	GLOF	COPY	Difference
Max Drawdown Largest peak-to-trough decline	-34.12%	-14.05%	-20.07%
Max Drawdown (1Y) Largest decline over 1 year	-9.05%	-9.07%	+0.02%
Max Drawdown (3Y) Largest decline over 3 years	-16.12%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-25.15%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-34.12%	—	—
Current Drawdown Current decline from peak	-1.64%	0.00%	-1.64%
Average Drawdown Average peak-to-trough decline	-6.07%	-1.52%	-4.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.14%	2.36%	-0.22%

Volatility

GLOF vs. COPY - Volatility Comparison

iShares Global Equity Factor ETF (GLOF) has a higher volatility of 3.92% compared to Tweedy, Browne Insider + Value ETF (COPY) at 2.50%. This indicates that GLOF's price experiences larger fluctuations and is considered to be riskier than COPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GLOF	COPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.92%	2.50%	+1.42%
Volatility (6M) Calculated over the trailing 6-month period	11.26%	10.24%	+1.02%
Volatility (1Y) Calculated over the trailing 1-year period	13.43%	13.12%	+0.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.81%	16.98%	-1.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.07%	16.98%	+0.09%

GLOF vs. COPY - Expense Ratio Comparison

GLOF has a 0.20% expense ratio, which is lower than COPY's 0.80% expense ratio.

Dividends

GLOF vs. COPY - Dividend Comparison

GLOF's dividend yield for the trailing twelve months is around 1.59%, more than COPY's 0.80% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPY Tweedy, Browne Insider + Value ETF	0.80%	0.95%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
GLOF iShares Global Equity Factor ETF	1.59%	1.70%	2.59%	2.51%	2.53%	1.90%	1.73%	2.41%	2.03%	1.94%	1.94%	0.92%

Frequently Asked Questions

Can I hold both GLOF and COPY in my portfolio?

GLOF and COPY have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GLOF or COPY?

GLOF has higher volatility (3.92%) compared to COPY (2.50%). In terms of maximum drawdown, GLOF dropped -34.12% vs COPY's -14.05%.

Which ETF is better, GLOF or COPY?

On 1-year performance, COPY leads with 30.93% vs 23.49% for GLOF. On fees, GLOF is cheaper at 0.20% per year. On volatility, COPY has been the lower-risk option at 2.50%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GLOF or COPY?

Over the 1-year period, COPY has performed better with a 30.93% return vs 23.49%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GLOF or COPY?

GLOF is cheaper with a 0.20% expense ratio, compared with 0.80% for COPY.

Which ETF pays a higher dividend yield, GLOF or COPY?

GLOF has the higher dividend yield at 1.59%, compared with 0.80% for COPY.

What is the main difference between GLOF and COPY?

They also come from different issuers: iShares and Tweedy, Browne. Their fees differ too: 0.20% for GLOF and 0.80% for COPY.

Which has better risk-adjusted returns?

COPY currently has the higher Sharpe Ratio (2.37 vs 1.76), 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.