GLOF vs. VOO

Last updated Jun 24, 2026

GLOF (iShares Global Equity Factor ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - GLOF is a Global Equities fund tracking the STOXX Global Equity Factor Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, GLOF returned 12.32%/yr vs 15.61%/yr for VOO. Their correlation of 0.84 suggests significant overlap in exposure. GLOF charges 0.20%/yr vs 0.03%/yr for VOO.

Performance

GLOF vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Global Equity Factor ETF (GLOF) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GLOF achieves a 10.82% return, which is significantly higher than VOO's 8.19% return. Over the past 10 years, GLOF has underperformed VOO with an annualized return of 12.32%, while VOO has yielded a comparatively higher 15.61% annualized return.

GLOF

• 1D: -2.29%
• 1M: -0.01%
• YTD: 10.82%
• 6M: 10.20%
• 1Y: 26.49%
• 3Y*: 21.52%
• 5Y*: 11.36%
• 10Y*: 12.32%

VOO

• 1D: -1.42%
• 1M: -1.34%
• YTD: 8.19%
• 6M: 7.24%
• 1Y: 23.69%
• 3Y*: 20.78%
• 5Y*: 13.13%
• 10Y*: 15.61%

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

GLOF vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GLOF iShares Global Equity Factor ETF	10.82%	23.92%	17.49%	22.38%	-16.97%	18.68%	10.00%	23.21%	-13.70%	29.86%
VOO Vanguard S&P 500 ETF	8.19%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between GLOF and VOO is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since May 4, 2015	0.84

The correlation between GLOF and VOO shifts across timeframes, from 0.84 (all time) to 0.94 (1 year), reflecting how their relationship changes across market environments.

GLOF vs. VOO - Sectors Allocation Comparison

Sectors	GLOF	VOO
Technology	32.2%	39.1%
Financial Services	16.0%	10.9%
Consumer Cyclical	10.6%	9.8%
Industrials	8.8%	7.6%
Communication Services	8.4%	10.5%
Healthcare	8.0%	8.3%
Consumer Defensive	5.1%	4.5%
Energy	3.9%	3.2%
Basic Materials	3.2%	1.7%
Utilities	2.8%	2.5%
Real Estate	1.1%	1.8%

Return for Risk

GLOF vs. VOO — Risk / Return Rank

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

GLOF

GLOF Risk / Return Rank: 65
GLOF Sharpe Ratio Rank: 64
GLOF Sortino Ratio Rank: 63
GLOF Omega Ratio Rank: 62
GLOF Calmar Ratio Rank: 63
GLOF Martin Ratio Rank: 72

VOO

VOO Risk / Return Rank: 59
VOO Sharpe Ratio Rank: 59
VOO Sortino Ratio Rank: 56
VOO Omega Ratio Rank: 58
VOO Calmar Ratio Rank: 56
VOO 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.

GLOF vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global Equity Factor ETF (GLOF) and Vanguard S&P 500 ETF (VOO). 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	VOO	Difference
Sharpe ratio: Return per unit of total volatility	1.99	1.91	+0.08
Sortino ratio: Return per unit of downside risk	2.76	2.60	+0.16
Omega ratio: Gain probability vs. loss probability	1.36	1.35	+0.01
Calmar ratio: Return relative to maximum drawdown	2.94	2.67	+0.27
Martin ratio: Return relative to average drawdown	12.72	11.96	+0.77

GLOF vs. VOO - Sharpe Ratio Comparison

The current GLOF Sharpe Ratio is 1.99, which is comparable to the VOO Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of GLOF and VOO, 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. VOO - Drawdown Comparison

The maximum GLOF drawdown since its inception was -34.12%, roughly equal to the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for GLOF and VOO.

Drawdown Indicators

	GLOF	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-34.12%	-33.99%	-0.13%
Max Drawdown (1Y) Largest decline over 1 year	-9.05%	-8.90%	-0.15%
Max Drawdown (3Y) Largest decline over 3 years	-16.12%	-18.69%	+2.57%
Max Drawdown (5Y) Largest decline over 5 years	-25.15%	-24.52%	-0.63%
Max Drawdown (10Y) Largest decline over 10 years	-34.12%	-33.99%	-0.13%
Current Drawdown Current decline from peak	-2.85%	-3.14%	+0.29%
Average Drawdown Average peak-to-trough decline	-6.09%	-3.68%	-2.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.09%	1.99%	+0.10%

Volatility

GLOF vs. VOO - Volatility Comparison

iShares Global Equity Factor ETF (GLOF) has a higher volatility of 5.42% compared to Vanguard S&P 500 ETF (VOO) at 4.83%. This indicates that GLOF's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GLOF	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.42%	4.83%	+0.59%
Volatility (6M) Calculated over the trailing 6-month period	11.10%	9.82%	+1.28%
Volatility (1Y) Calculated over the trailing 1-year period	13.37%	12.46%	+0.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.81%	16.91%	-1.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.12%	18.02%	-0.90%

GLOF vs. VOO - Expense Ratio Comparison

GLOF has a 0.20% expense ratio, which is higher than VOO's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

GLOF vs. VOO - Dividend Comparison

GLOF's dividend yield for the trailing twelve months is around 1.61%, more than VOO's 1.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GLOF iShares Global Equity Factor ETF	1.61%	1.70%	2.59%	2.51%	2.53%	1.90%	1.73%	2.41%	2.03%	1.94%	1.94%	0.92%
VOO Vanguard S&P 500 ETF	1.05%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both GLOF and VOO in my portfolio?

With a correlation of 0.94, GLOF and VOO 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 is riskier, GLOF or VOO?

GLOF has higher volatility (5.42%) compared to VOO (4.83%). In terms of maximum drawdown, GLOF dropped -34.12% vs VOO's -33.99%.

Which ETF is better, GLOF or VOO?

On 10-year performance, VOO leads with 15.61% vs 12.32% for GLOF. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 4.83%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GLOF or VOO?

Over the 10-year period, VOO has performed better with a 15.61% return vs 12.32%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GLOF or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.20% for GLOF.

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

GLOF has the higher dividend yield at 1.61%, compared with 1.05% for VOO.

What is the main difference between GLOF and VOO?

GLOF is categorized as Global Equities, while VOO is S&P 500. GLOF tracks STOXX Global Equity Factor Index, while VOO tracks S&P 500 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.20% for GLOF and 0.03% for VOO.

Which has better risk-adjusted returns?

GLOF currently has the higher Sharpe Ratio (1.99 vs 1.91), 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.