PSI vs. PPA

Last updated Jun 4, 2026

PSI (Invesco Semiconductors ETF) and PPA (Invesco Aerospace & Defense ETF) are both exchange-traded funds - PSI is a Semiconductors fund tracking the Dynamic Semiconductors Intellidex Index, while PPA is a Industrials Equities fund tracking the SPADE Defense Index. Both are passively managed. Over the past 10 years, PSI returned 34.28%/yr vs 17.38%/yr for PPA. A 0.61 correlation means they provide meaningful diversification when combined. PSI charges 0.56%/yr vs 0.61%/yr for PPA.

Performance

PSI vs. PPA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Semiconductors ETF (PSI) and Invesco Aerospace & Defense ETF (PPA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PSI achieves a 107.72% return, which is significantly higher than PPA's 8.54% return. Over the past 10 years, PSI has outperformed PPA with an annualized return of 34.28%, while PPA has yielded a comparatively lower 17.38% annualized return.

PSI

• 1D: 1.35%
• 1M: 21.18%
• YTD: 107.72%
• 6M: 104.36%
• 1Y: 208.96%
• 3Y*: 57.01%
• 5Y*: 31.86%
• 10Y*: 34.28%

PPA

• 1D: -1.74%
• 1M: 3.19%
• YTD: 8.54%
• 6M: 13.46%
• 1Y: 26.57%
• 3Y*: 28.92%
• 5Y*: 17.82%
• 10Y*: 17.38%

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

PSI vs. PPA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PSI Invesco Semiconductors ETF	107.72%	36.32%	17.17%	49.06%	-34.43%	46.55%	56.75%	52.49%	-11.55%	40.16%
PPA Invesco Aerospace & Defense ETF	8.54%	37.15%	25.28%	18.41%	9.52%	7.09%	0.45%	39.63%	-7.51%	30.10%

Correlation

The correlation between PSI and PPA is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.41
Correlation (3Y) Calculated over the trailing 3-year period	0.47
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (10Y) Calculated over the trailing 10-year period	0.53
Correlation (All Time) Calculated using the full available price history since Oct 27, 2005	0.61

The correlation between PSI and PPA shifts across timeframes, from 0.41 (1 year) to 0.61 (all time), reflecting how their relationship changes across market environments.

PSI vs. PPA - Sectors Allocation Comparison

Sectors	PSI	PPA
Technology	97.6%	9.8%
Industrials	2.4%	90.1%
Basic Materials	-	-
Communication Services	-	0.1%
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Healthcare	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

PSI vs. PPA — Risk / Return Rank

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

PSI

PSI Risk / Return Rank: 96
PSI Sharpe Ratio Rank: 98
PSI Sortino Ratio Rank: 95
PSI Omega Ratio Rank: 94
PSI Calmar Ratio Rank: 98
PSI Martin Ratio Rank: 97

PPA

PPA Risk / Return Rank: 37
PPA Sharpe Ratio Rank: 38
PPA Sortino Ratio Rank: 39
PPA Omega Ratio Rank: 35
PPA Calmar Ratio Rank: 38
PPA Martin Ratio Rank: 36

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.

PSI vs. PPA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Semiconductors ETF (PSI) and Invesco Aerospace & Defense ETF (PPA). 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.

	PSI	PPA	Difference
Sharpe ratio Return per unit of total volatility	5.58	1.40	+4.18
Sortino ratio Return per unit of downside risk	5.11	2.05	+3.05
Omega ratio Gain probability vs. loss probability	1.69	1.24	+0.45
Calmar ratio Return relative to maximum drawdown	13.59	1.95	+11.65
Martin ratio Return relative to average drawdown	49.28	5.68	+43.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSI vs. PPA - Sharpe Ratio Comparison

The current PSI Sharpe Ratio is 5.58, which is higher than the PPA Sharpe Ratio of 1.40. The chart below compares the historical Sharpe Ratios of PSI and PPA, 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

	PSI	PPA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.58	1.40	+4.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.85	0.97	-0.12
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.98	0.84	+0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.59	0.66	-0.07

Drawdowns

PSI vs. PPA - Drawdown Comparison

The maximum PSI drawdown since its inception was -62.96%, which is greater than PPA's maximum drawdown of -57.37%. Use the drawdown chart below to compare losses from any high point for PSI and PPA.

Drawdown Indicators

	PSI	PPA	Difference
Max Drawdown Largest peak-to-trough decline	-62.96%	-57.37%	-5.59%
Max Drawdown (1Y) Largest decline over 1 year	-15.48%	-13.71%	-1.77%
Max Drawdown (3Y) Largest decline over 3 years	-41.07%	-15.24%	-25.83%
Max Drawdown (5Y) Largest decline over 5 years	-44.85%	-18.37%	-26.48%
Max Drawdown (10Y) Largest decline over 10 years	-44.85%	-43.92%	-0.93%
Current Drawdown Current decline from peak	0.00%	-8.40%	+8.40%
Average Drawdown Average peak-to-trough decline	-15.94%	-9.18%	-6.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.26%	4.69%	-0.43%

Volatility

PSI vs. PPA - Volatility Comparison

Invesco Semiconductors ETF (PSI) has a higher volatility of 13.60% compared to Invesco Aerospace & Defense ETF (PPA) at 6.73%. This indicates that PSI's price experiences larger fluctuations and is considered to be riskier than PPA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSI	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.60%	6.73%	+6.87%
Volatility (6M) Calculated over the trailing 6-month period	30.09%	15.95%	+14.14%
Volatility (1Y) Calculated over the trailing 1-year period	37.75%	19.03%	+18.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.85%	18.49%	+19.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.09%	20.64%	+14.45%

PSI vs. PPA - Expense Ratio Comparison

PSI has a 0.56% expense ratio, which is lower than PPA's 0.61% expense ratio.

Dividends

PSI vs. PPA - Dividend Comparison

PSI's dividend yield for the trailing twelve months is around 0.05%, less than PPA's 0.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PPA Invesco Aerospace & Defense ETF	0.39%	0.42%	0.61%	0.67%	0.83%	0.59%	0.88%	0.95%	0.90%	0.67%	1.70%	1.41%
PSI Invesco Semiconductors ETF	0.05%	0.10%	0.15%	0.40%	0.61%	0.14%	0.21%	0.52%	0.83%	0.21%	0.68%	0.16%

Frequently Asked Questions

Can I hold both PSI and PPA in my portfolio?

PSI and PPA have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSI or PPA?

PSI has higher volatility (13.60%) compared to PPA (6.73%). In terms of maximum drawdown, PSI dropped -62.96% vs PPA's -57.37%.

Which ETF is better, PSI or PPA?

On 10-year performance, PSI leads with 34.28% vs 17.38% for PPA. On fees, PSI is cheaper at 0.56% per year. On volatility, PPA has been the lower-risk option at 6.73%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PSI or PPA?

Over the 10-year period, PSI has performed better with a 34.28% return vs 17.38%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PSI or PPA?

PSI is cheaper with a 0.56% expense ratio, compared with 0.61% for PPA.

Which ETF pays a higher dividend yield, PSI or PPA?

PPA has the higher dividend yield at 0.39%, compared with 0.05% for PSI.

What is the main difference between PSI and PPA?

PSI is categorized as Semiconductors, while PPA is Industrials Equities. PSI tracks Dynamic Semiconductors Intellidex Index, while PPA tracks SPADE Defense Index. Their fees differ too: 0.56% for PSI and 0.61% for PPA.

Which has better risk-adjusted returns?

PSI currently has the higher Sharpe Ratio (5.58 vs 1.40), 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.