ITA vs. SPY
ITA (iShares U.S. Aerospace & Defense ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - ITA is a Aerospace & Defense fund tracking the Dow Jones U.S. Select Aerospace & Defense Index, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, ITA returned 15.34%/yr vs 15.42%/yr for SPY. A 0.75 correlation means they provide meaningful diversification when combined. ITA charges 0.38%/yr vs 0.09%/yr for SPY.
Performance
ITA vs. SPY - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with ITA having a 8.97% return and SPY slightly higher at 9.07%. Both investments have delivered pretty close results over the past 10 years, with ITA having a 15.34% annualized return and SPY not far ahead at 15.42%.
ITA
- 1D
- -0.95%
- 1M
- 4.16%
- YTD
- 8.97%
- 6M
- 11.71%
- 1Y
- 30.42%
- 3Y*
- 27.30%
- 5Y*
- 16.86%
- 10Y*
- 15.34%
SPY
- 1D
- 0.54%
- 1M
- -0.86%
- YTD
- 9.07%
- 6M
- 9.42%
- 1Y
- 25.67%
- 3Y*
- 20.86%
- 5Y*
- 13.36%
- 10Y*
- 15.42%
ITA vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ITA iShares U.S. Aerospace & Defense ETF | 8.97% | 48.64% | 15.81% | 14.33% | 9.96% | 9.39% | -13.57% | 30.51% | -7.22% | 35.24% |
SPY State Street SPDR S&P 500 ETF | 9.07% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 31.22% | -4.57% | 21.71% |
Correlation
The correlation between ITA and SPY is 0.54, 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 | 0.54 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.55 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.64 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.65 |
Correlation (All Time) Calculated using the full available price history since May 5, 2006 | 0.75 |
Over the past year, the correlation between ITA and SPY has dropped to 0.54 - well below their long-term average of 0.75, suggesting their price drivers have been diverging.
ITA vs. SPY - Sectors Allocation Comparison
Sectors
ITA
SPY
Industrials
Technology
Basic Materials
-
Communication Services
-
Consumer Cyclical
-
Consumer Defensive
-
Energy
-
Financial Services
-
Healthcare
-
Real Estate
-
Utilities
-
Industrials
ITA
SPY
Technology
ITA
SPY
Basic Materials
ITA
-
SPY
Communication Services
ITA
-
SPY
Consumer Cyclical
ITA
-
SPY
Consumer Defensive
ITA
-
SPY
Energy
ITA
-
SPY
Financial Services
ITA
-
SPY
Healthcare
ITA
-
SPY
Real Estate
ITA
-
SPY
Utilities
ITA
-
SPY
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Return for Risk
ITA vs. SPY — Risk / Return Rank
ITA
SPY
ITA vs. SPY - 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 S&P 500 ETF (SPY). 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 | SPY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.55 | ||
| Sortino ratioReturn per unit of downside risk | -0.58 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.36 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 1.97 | 2.74 | -0.78 |
| Martin ratioReturn relative to average drawdown | 5.20 | 12.39 | -7.19 |
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Drawdowns
ITA vs. SPY - Drawdown Comparison
The maximum ITA drawdown since its inception was -59.72%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for ITA and SPY.
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Drawdown Indicators
| ITA | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.72% | -55.19% | -4.53% |
Max Drawdown (1Y)Largest decline over 1 year | -15.82% | -8.88% | -6.94% |
Max Drawdown (3Y)Largest decline over 3 years | -15.82% | -18.76% | +2.94% |
Max Drawdown (5Y)Largest decline over 5 years | -18.72% | -24.50% | +5.78% |
Max Drawdown (10Y)Largest decline over 10 years | -51.00% | -33.72% | -17.28% |
Current DrawdownCurrent decline from peak | -6.64% | -2.35% | -4.29% |
Average DrawdownAverage peak-to-trough decline | -9.45% | -9.04% | -0.41% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.97% | 1.97% | +4.00% |
Volatility
ITA vs. SPY - Volatility Comparison
iShares U.S. Aerospace & Defense ETF (ITA) has a higher volatility of 9.07% compared to State Street SPDR S&P 500 ETF (SPY) at 4.34%. This indicates that ITA's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ITA | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.07% | 4.34% | +4.73% |
Volatility (6M)Calculated over the trailing 6-month period | 18.47% | 9.58% | +8.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.74% | 12.29% | +9.45% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.21% | 17.12% | +3.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.22% | 17.96% | +5.26% |
ITA vs. SPY - Expense Ratio Comparison
ITA has a 0.38% expense ratio, which is higher than SPY's 0.09% expense ratio.
Dividends
ITA vs. SPY - Dividend Comparison
ITA's dividend yield for the trailing twelve months is around 0.46%, less than SPY's 1.00% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
SPY State Street SPDR S&P 500 ETF | 1.00% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |
Frequently Asked Questions
ITA and SPY have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ITA has higher volatility (9.07%) compared to SPY (4.34%). In terms of maximum drawdown, ITA dropped -59.72% vs SPY's -55.19%.
On 10-year performance, SPY leads with 15.42% vs 15.34% for ITA. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 4.34%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SPY has performed better with a 15.42% return vs 15.34%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPY is cheaper with a 0.09% expense ratio, compared with 0.38% for ITA.
SPY has the higher dividend yield at 1.00%, compared with 0.46% for ITA.
ITA is categorized as Aerospace & Defense, while SPY is S&P 500. ITA tracks Dow Jones U.S. Select Aerospace & Defense Index, while SPY tracks S&P 500 Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.38% for ITA and 0.09% for SPY.
SPY currently has the higher Sharpe Ratio (1.98 vs 1.43), 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.
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