ITA vs. GREK

Last updated Jun 9, 2026

ITA (iShares U.S. Aerospace & Defense ETF) and GREK (Global X MSCI Greece ETF) are both exchange-traded funds - ITA is a Aerospace & Defense fund tracking the Dow Jones U.S. Select Aerospace & Defense Index, while GREK is a Emerging Markets Equities fund tracking the MSCI All Greece Select 25-50. Both are passively managed. Over the past 10 years, ITA returned 14.86%/yr vs 14.76%/yr for GREK. At a 0.38 correlation, their price movements are largely independent. ITA charges 0.38%/yr vs 0.58%/yr for GREK.

Performance

ITA vs. GREK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Aerospace & Defense ETF (ITA) and Global X MSCI Greece ETF (GREK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ITA achieves a 5.92% return, which is significantly lower than GREK's 10.53% return. Both investments have delivered pretty close results over the past 10 years, with ITA having a 14.86% annualized return and GREK not far behind at 14.76%.

ITA

• 1D: -0.95%
• 1M: 1.69%
• YTD: 5.92%
• 6M: 11.28%
• 1Y: 25.56%
• 3Y*: 26.35%
• 5Y*: 16.26%
• 10Y*: 14.86%

GREK

• 1D: 1.58%
• 1M: 1.44%
• YTD: 10.53%
• 6M: 11.07%
• 1Y: 36.15%
• 3Y*: 31.41%
• 5Y*: 23.55%
• 10Y*: 14.76%

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

ITA vs. GREK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ITA iShares U.S. Aerospace & Defense ETF	5.92%	48.64%	15.81%	14.33%	9.96%	9.39%	-13.57%	30.51%	-7.22%	35.24%
GREK Global X MSCI Greece ETF	10.53%	76.11%	9.53%	42.72%	3.64%	6.14%	-13.89%	50.20%	-31.25%	34.80%

Correlation

The correlation between ITA and GREK 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	0.30
Correlation (5Y) Calculated over the trailing 5-year period	0.39
Correlation (10Y) Calculated over the trailing 10-year period	0.39
Correlation (All Time) Calculated using the full available price history since Dec 9, 2011	0.38

The correlation between ITA and GREK shifts across timeframes, from 0.29 (1 year) to 0.39 (10 years), reflecting how their relationship changes across market environments.

ITA vs. GREK - Sectors Allocation Comparison

Sectors	ITA	GREK
Industrials	99.8%	13.5%
Technology	0.1%	-
Basic Materials	-	3.2%
Communication Services	-	4.6%
Consumer Cyclical	-	9.6%
Consumer Defensive	-	1.1%
Energy	-	8.4%
Financial Services	-	47.1%
Healthcare	-	-
Real Estate	-	1.0%
Utilities	-	11.6%

Return for Risk

ITA vs. GREK — Risk / Return Rank

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

ITA

ITA Risk / Return Rank: 36
ITA Sharpe Ratio Rank: 38
ITA Sortino Ratio Rank: 38
ITA Omega Ratio Rank: 35
ITA Calmar Ratio Rank: 36
ITA Martin Ratio Rank: 32

GREK

GREK Risk / Return Rank: 44
GREK Sharpe Ratio Rank: 48
GREK Sortino Ratio Rank: 51
GREK Omega Ratio Rank: 47
GREK Calmar Ratio Rank: 38
GREK Martin Ratio Rank: 37

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.

ITA vs. GREK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Aerospace & Defense ETF (ITA) and Global X MSCI Greece ETF (GREK). 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.

	ITA	GREK	Difference
Sharpe ratio: Return per unit of total volatility	1.22	1.51	-0.29
Sortino ratio: Return per unit of downside risk	1.81	2.26	-0.45
Omega ratio: Gain probability vs. loss probability	1.21	1.27	-0.06
Calmar ratio: Return relative to maximum drawdown	1.62	1.70	-0.08
Martin ratio: Return relative to average drawdown	4.35	5.27	-0.92
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ITA vs. GREK - Sharpe Ratio Comparison

The current ITA Sharpe Ratio is 1.22, which is comparable to the GREK Sharpe Ratio of 1.51. The chart below compares the historical Sharpe Ratios of ITA and GREK, 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

	ITA	GREK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.22	1.51	-0.29
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.81	0.97	-0.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.64	0.50	+0.15
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.16	+0.35

Drawdowns

ITA vs. GREK - Drawdown Comparison

The maximum ITA drawdown since its inception was -59.72%, smaller than the maximum GREK drawdown of -79.50%. Use the drawdown chart below to compare losses from any high point for ITA and GREK.

Drawdown Indicators

	ITA	GREK	Difference
Max Drawdown Largest peak-to-trough decline	-59.72%	-79.50%	+19.78%
Max Drawdown (1Y) Largest decline over 1 year	-15.82%	-21.32%	+5.50%
Max Drawdown (3Y) Largest decline over 3 years	-15.82%	-22.63%	+6.81%
Max Drawdown (5Y) Largest decline over 5 years	-18.72%	-30.46%	+11.74%
Max Drawdown (10Y) Largest decline over 10 years	-51.00%	-57.04%	+6.04%
Current Drawdown Current decline from peak	-9.25%	-5.63%	-3.62%
Average Drawdown Average peak-to-trough decline	-9.46%	-45.30%	+35.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.89%	6.88%	-0.99%

Volatility

ITA vs. GREK - Volatility Comparison

The current volatility for iShares U.S. Aerospace & Defense ETF (ITA) is 7.09%, while Global X MSCI Greece ETF (GREK) has a volatility of 8.07%. This indicates that ITA experiences smaller price fluctuations and is considered to be less risky than GREK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ITA	GREK	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.09%	8.07%	-0.98%
Volatility (6M) Calculated over the trailing 6-month period	17.68%	20.47%	-2.79%
Volatility (1Y) Calculated over the trailing 1-year period	21.12%	24.14%	-3.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.07%	24.41%	-4.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.17%	29.84%	-6.67%

ITA vs. GREK - Expense Ratio Comparison

ITA has a 0.38% expense ratio, which is lower than GREK's 0.58% expense ratio.

Dividends

ITA vs. GREK - Dividend Comparison

ITA's dividend yield for the trailing twelve months is around 0.47%, less than GREK's 3.13% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GREK Global X MSCI Greece ETF	3.13%	3.46%	4.63%	2.61%	2.82%	2.16%	2.62%	2.25%	2.41%	2.13%	1.95%	1.52%
ITA iShares U.S. Aerospace & Defense ETF	0.47%	0.55%	0.85%	0.93%	0.95%	0.82%	1.07%	1.54%	1.13%	0.91%	1.07%	1.04%

Frequently Asked Questions

Can I hold both ITA and GREK in my portfolio?

ITA and GREK 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, ITA or GREK?

GREK has higher volatility (8.07%) compared to ITA (7.09%). In terms of maximum drawdown, ITA dropped -59.72% vs GREK's -79.50%.

Which ETF is better, ITA or GREK?

On 10-year performance, ITA leads with 14.86% vs 14.76% for GREK. On fees, ITA is cheaper at 0.38% per year. On volatility, ITA has been the lower-risk option at 7.09%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ITA or GREK?

Over the 10-year period, ITA has performed better with a 14.86% return vs 14.76%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ITA or GREK?

ITA is cheaper with a 0.38% expense ratio, compared with 0.58% for GREK.

Which ETF pays a higher dividend yield, ITA or GREK?

GREK has the higher dividend yield at 3.13%, compared with 0.47% for ITA.

What is the main difference between ITA and GREK?

ITA is categorized as Aerospace & Defense, while GREK is Emerging Markets Equities. ITA tracks Dow Jones U.S. Select Aerospace & Defense Index, while GREK tracks MSCI All Greece Select 25-50. They also come from different issuers: iShares and Global X. Their fees differ too: 0.38% for ITA and 0.58% for GREK.

Which has better risk-adjusted returns?

GREK currently has the higher Sharpe Ratio (1.51 vs 1.22), 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.