IOO vs. SHLD

Last updated Jun 14, 2026

IOO (iShares Global 100 ETF) and SHLD (Global X Defense Tech ETF) are both exchange-traded funds - IOO is a Global Equities fund tracking the S&P Global 100 Index (Net), while SHLD is a Aerospace & Defense fund tracking the Global X Defense Tech Index. Both are passively managed. Over the past year, IOO returned 33.70% vs 8.26% for SHLD. At a 0.39 correlation, their price movements are largely independent. IOO charges 0.40%/yr vs 0.50%/yr for SHLD.

Performance

IOO vs. SHLD - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Global 100 ETF (IOO) and Global X Defense Tech ETF (SHLD). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IOO achieves a 9.16% return, which is significantly higher than SHLD's -1.50% return.

IOO

• 1D: 0.11%
• 1M: -1.76%
• YTD: 9.16%
• 6M: 10.36%
• 1Y: 33.70%
• 3Y*: 23.85%
• 5Y*: 15.85%
• 10Y*: 16.66%

SHLD

• 1D: -2.04%
• 1M: 2.37%
• YTD: -1.50%
• 6M: -1.03%
• 1Y: 8.26%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IOO vs. SHLD - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
IOO iShares Global 100 ETF	9.16%	27.02%	26.54%	6.64%
SHLD Global X Defense Tech ETF	-1.50%	74.16%	35.03%	12.89%

Correlation

The correlation between IOO and SHLD is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.36
Correlation (All Time) Calculated using the full available price history since Sep 13, 2023	0.39

IOO vs. SHLD - Sectors Allocation Comparison

Sectors	IOO	SHLD
Technology	47.0%	12.2%
Communication Services	10.8%	-
Financial Services	9.2%	-
Consumer Cyclical	8.4%	-
Healthcare	8.4%	-
Consumer Defensive	5.6%	-
Industrials	4.8%	87.8%
Energy	3.6%	-
Basic Materials	1.7%	-
Utilities	0.5%	-
Real Estate	0.2%	-

Return for Risk

IOO vs. SHLD — Risk / Return Rank

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

IOO

IOO Risk / Return Rank: 80
IOO Sharpe Ratio Rank: 83
IOO Sortino Ratio Rank: 80
IOO Omega Ratio Rank: 80
IOO Calmar Ratio Rank: 73
IOO Martin Ratio Rank: 83

SHLD

SHLD Risk / Return Rank: 16
SHLD Sharpe Ratio Rank: 17
SHLD Sortino Ratio Rank: 17
SHLD Omega Ratio Rank: 16
SHLD Calmar Ratio Rank: 16
SHLD Martin Ratio Rank: 16

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.

IOO vs. SHLD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global 100 ETF (IOO) and Global X Defense Tech ETF (SHLD). 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.

	IOO	SHLD	Difference
Sharpe ratio: Return per unit of total volatility	2.28	0.43	+1.86
Sortino ratio: Return per unit of downside risk	3.09	0.78	+2.31
Omega ratio: Gain probability vs. loss probability	1.41	1.09	+0.32
Calmar ratio: Return relative to maximum drawdown	3.23	0.52	+2.71
Martin ratio: Return relative to average drawdown	14.35	1.28	+13.07

IOO vs. SHLD - Sharpe Ratio Comparison

The current IOO Sharpe Ratio is 2.28, which is higher than the SHLD Sharpe Ratio of 0.43. The chart below compares the historical Sharpe Ratios of IOO and SHLD, 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

IOO vs. SHLD - Drawdown Comparison

The maximum IOO drawdown since its inception was -55.85%, which is greater than SHLD's maximum drawdown of -20.10%. Use the drawdown chart below to compare losses from any high point for IOO and SHLD.

Drawdown Indicators

	IOO	SHLD	Difference
Max Drawdown Largest peak-to-trough decline	-55.85%	-20.10%	-35.75%
Max Drawdown (1Y) Largest decline over 1 year	-9.94%	-20.10%	+10.16%
Max Drawdown (3Y) Largest decline over 3 years	-19.19%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-23.52%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-31.43%	—	—
Current Drawdown Current decline from peak	-4.05%	-18.20%	+14.15%
Average Drawdown Average peak-to-trough decline	-11.26%	-3.34%	-7.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.24%	8.12%	-5.88%

Volatility

IOO vs. SHLD - Volatility Comparison

The current volatility for iShares Global 100 ETF (IOO) is 4.82%, while Global X Defense Tech ETF (SHLD) has a volatility of 9.05%. This indicates that IOO experiences smaller price fluctuations and is considered to be less risky than SHLD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IOO	SHLD	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.82%	9.05%	-4.23%
Volatility (6M) Calculated over the trailing 6-month period	11.31%	19.94%	-8.63%
Volatility (1Y) Calculated over the trailing 1-year period	14.07%	24.55%	-10.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.12%	21.29%	-4.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.80%	21.29%	-3.49%

IOO vs. SHLD - Expense Ratio Comparison

IOO has a 0.40% expense ratio, which is lower than SHLD's 0.50% expense ratio.

Dividends

IOO vs. SHLD - Dividend Comparison

IOO's dividend yield for the trailing twelve months is around 0.84%, more than SHLD's 0.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IOO iShares Global 100 ETF	0.84%	0.92%	1.08%	1.49%	2.00%	1.53%	1.49%	2.02%	2.54%	2.23%	2.75%	2.89%
SHLD Global X Defense Tech ETF	0.56%	0.55%	0.53%	0.26%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both IOO and SHLD in my portfolio?

IOO and SHLD have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IOO or SHLD?

SHLD has higher volatility (9.05%) compared to IOO (4.82%). In terms of maximum drawdown, IOO dropped -55.85% vs SHLD's -20.10%.

Which ETF is better, IOO or SHLD?

On 1-year performance, IOO leads with 33.70% vs 8.26% for SHLD. On fees, IOO is cheaper at 0.40% per year. On volatility, IOO has been the lower-risk option at 4.82%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IOO or SHLD?

Over the 1-year period, IOO has performed better with a 33.70% return vs 8.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IOO or SHLD?

IOO is cheaper with a 0.40% expense ratio, compared with 0.50% for SHLD.

Which ETF pays a higher dividend yield, IOO or SHLD?

IOO has the higher dividend yield at 0.84%, compared with 0.56% for SHLD.

What is the main difference between IOO and SHLD?

IOO is categorized as Global Equities, while SHLD is Aerospace & Defense. IOO tracks S&P Global 100 Index (Net), while SHLD tracks Global X Defense Tech Index. They also come from different issuers: iShares and Global X. Their fees differ too: 0.40% for IOO and 0.50% for SHLD.

Which has better risk-adjusted returns?

IOO currently has the higher Sharpe Ratio (2.28 vs 0.43), 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.