ITA vs. DIA

Last updated Jul 21, 2026

ITA (iShares U.S. Aerospace & Defense ETF) and DIA (State Street SPDR Dow Jones Industrial Average ETF Trust) are both exchange-traded funds - ITA is a Aerospace & Defense fund tracking the Dow Jones U.S. Select Aerospace & Defense Index, while DIA is a Large Cap Blend Equities fund tracking the Dow Jones Industrial Average. Both are passively managed. Over the past 10 years, ITA returned 14.73%/yr vs 12.96%/yr for DIA. A 0.77 correlation means they provide meaningful diversification when combined. ITA charges 0.38%/yr vs 0.16%/yr for DIA.

Performance

ITA vs. DIA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Aerospace & Defense ETF (ITA) and State Street SPDR Dow Jones Industrial Average ETF Trust (DIA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ITA achieves a 6.94% return, which is significantly lower than DIA's 8.61% return. Over the past 10 years, ITA has outperformed DIA with an annualized return of 14.73%, while DIA has yielded a comparatively lower 12.96% annualized return.

ITA

• 1D: -0.63%
• 1M: -4.07%
• 6M: -5.82%
• YTD: 6.94%
• 1Y: 17.50%
• 3Y*: 26.28%
• 5Y*: 17.28%
• 10Y*: 14.73%
• ALL TIME*: 12.59%

DIA

• 1D: -0.55%
• 1M: 0.50%
• 6M: 5.75%
• YTD: 8.61%
• 1Y: 18.61%
• 3Y*: 15.60%
• 5Y*: 10.19%
• 10Y*: 12.96%
• ALL TIME*: 9.13%

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

ITA vs. DIA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ITA iShares U.S. Aerospace & Defense ETF	6.94%	48.64%	15.81%	14.33%	9.96%	9.39%	-13.57%	30.51%	-7.22%	35.24%
DIA State Street SPDR Dow Jones Industrial Average ETF Trust	8.61%	14.71%	14.82%	16.02%	-7.02%	20.83%	9.59%	24.70%	-3.74%	28.08%

Correlation

The correlation between ITA and DIA is 0.53, 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	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.70
Correlation (All Time) Calculated using the full available price history since May 5, 2006	0.77

Over the past year, the correlation between ITA and DIA has dropped to 0.53 - well below their long-term average of 0.77, suggesting their price drivers have been diverging.

ITA vs. DIA - Sectors Allocation Comparison

Sectors	ITA	DIA
Industrials	99.8%	18.9%
Technology	0.1%	16.1%
Basic Materials	-	3.9%
Communication Services	-	5.2%
Consumer Cyclical	-	10.3%
Consumer Defensive	-	3.9%
Energy	-	1.9%
Financial Services	-	26.7%
Healthcare	-	13.2%
Real Estate	-	-
Utilities	-	-

Return for Risk

ITA vs. DIA — Risk / Return Rank

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

ITA

ITA Risk / Return Rank: 29
ITA Sharpe Ratio Rank: 29
ITA Sortino Ratio Rank: 30
ITA Omega Ratio Rank: 27
ITA Calmar Ratio Rank: 30
ITA Martin Ratio Rank: 28

DIA

DIA Risk / Return Rank: 59
DIA Sharpe Ratio Rank: 62
DIA Sortino Ratio Rank: 65
DIA Omega Ratio Rank: 60
DIA Calmar Ratio Rank: 50
DIA Martin Ratio Rank: 58

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. DIA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Aerospace & Defense ETF (ITA) and State Street SPDR Dow Jones Industrial Average ETF Trust (DIA). 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.

	ITA	DIA	Difference
Sharpe ratio: Return per unit of total volatility	0.80	1.53	-0.73
Sortino ratio: Return per unit of downside risk	1.28	2.26	-0.99
Omega ratio: Gain probability vs. loss probability	1.15	1.27	-0.13
Calmar ratio: Return relative to maximum drawdown	1.11	1.92	-0.80
Martin ratio: Return relative to average drawdown	2.84	7.39	-4.54

ITA vs. DIA - Sharpe Ratio Comparison

The current ITA Sharpe Ratio is 0.80, which is lower than the DIA Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of ITA and DIA, 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

ITA vs. DIA - Drawdown Comparison

The maximum ITA drawdown since its inception was -59.72%, which is greater than DIA's maximum drawdown of -51.87%. Use the drawdown chart below to compare losses from any high point for ITA and DIA.

Drawdown Indicators

	ITA	DIA	Difference
Max Drawdown Largest peak-to-trough decline	-59.72%	-51.87%	-7.85%
Max Drawdown (1Y) Largest decline over 1 year	-15.82%	-9.76%	-6.06%
Max Drawdown (3Y) Largest decline over 3 years	-15.82%	-15.95%	+0.13%
Max Drawdown (5Y) Largest decline over 5 years	-18.72%	-20.76%	+2.04%
Max Drawdown (10Y) Largest decline over 10 years	-51.00%	-36.70%	-14.30%
Current Drawdown Current decline from peak	-8.58%	-2.26%	-6.32%
Average Drawdown Average peak-to-trough decline	-9.43%	-7.11%	-2.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.17%	2.53%	+3.64%

Volatility

ITA vs. DIA - Volatility Comparison

iShares U.S. Aerospace & Defense ETF (ITA) has a higher volatility of 5.64% compared to State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) at 2.21%. This indicates that ITA's price experiences larger fluctuations and is considered to be riskier than DIA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ITA	DIA	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.64%	2.21%	+3.43%
Volatility (6M) Calculated over the trailing 6-month period	18.00%	9.66%	+8.34%
Volatility (1Y) Calculated over the trailing 1-year period	22.15%	12.27%	+9.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.16%	14.78%	+5.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.25%	17.51%	+5.74%

ITA vs. DIA - Expense Ratio Comparison

ITA has a 0.38% expense ratio, which is higher than DIA's 0.16% expense ratio.

Dividends

ITA vs. DIA - Dividend Comparison

ITA's dividend yield for the trailing twelve months is around 0.46%, less than DIA's 1.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIA State Street SPDR Dow Jones Industrial Average ETF Trust	1.39%	1.43%	1.61%	1.81%	1.91%	1.58%	1.87%	1.85%	2.24%	1.97%	2.26%	2.33%
ITA iShares U.S. Aerospace & Defense ETF	0.46%	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 DIA in my portfolio?

ITA and DIA have a correlation of 0.53, 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 DIA?

ITA has higher volatility (5.64%) compared to DIA (2.21%). In terms of maximum drawdown, ITA dropped -59.72% vs DIA's -51.87%.

Which ETF is better, ITA or DIA?

On 10-year performance, ITA leads with 14.73% vs 12.96% for DIA. On fees, DIA is cheaper at 0.16% per year. On volatility, DIA has been the lower-risk option at 2.21%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ITA or DIA?

Over the 10-year period, ITA has performed better with a 14.73% return vs 12.96%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ITA or DIA?

DIA is cheaper with a 0.16% expense ratio, compared with 0.38% for ITA.

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

DIA has the higher dividend yield at 1.39%, compared with 0.46% for ITA.

What is the main difference between ITA and DIA?

ITA is categorized as Aerospace & Defense, while DIA is Large Cap Blend Equities. ITA tracks Dow Jones U.S. Select Aerospace & Defense Index, while DIA tracks Dow Jones Industrial Average. They also come from different issuers: iShares and State Street. Their fees differ too: 0.38% for ITA and 0.16% for DIA.

Which has better risk-adjusted returns?

DIA currently has the higher Sharpe Ratio (1.53 vs 0.80), 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.