QOWZ vs. PPA

Last updated Jun 26, 2026

QOWZ (Invesco Nasdaq Free Cash Flow Achievers ETF) and PPA (Invesco Aerospace & Defense ETF) are both exchange-traded funds - QOWZ is a Large Cap Growth Equities fund tracking the Nasdaq US Free Cash Flow Achievers Index - Benchmark TR Gross, while PPA is a Aerospace & Defense fund tracking the SPADE Defense Index. Both are passively managed. Over the past year, QOWZ returned -5.02% vs 26.01% for PPA. A 0.54 correlation means they provide meaningful diversification when combined. QOWZ charges 0.39%/yr vs 0.58%/yr for PPA.

Performance

QOWZ vs. PPA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Nasdaq Free Cash Flow Achievers ETF (QOWZ) 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, QOWZ achieves a -7.89% return, which is significantly lower than PPA's 9.73% return.

QOWZ

• 1D: -0.15%
• 1M: -2.96%
• YTD: -7.89%
• 6M: -9.21%
• 1Y: -5.02%
• 3Y*: —
• 5Y*: —
• 10Y*: —

PPA

• 1D: 0.37%
• 1M: -1.27%
• YTD: 9.73%
• 6M: 7.35%
• 1Y: 26.01%
• 3Y*: 28.70%
• 5Y*: 18.28%
• 10Y*: 18.02%

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

QOWZ vs. PPA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
QOWZ Invesco Nasdaq Free Cash Flow Achievers ETF	-7.89%	7.24%	33.16%	5.69%
PPA Invesco Aerospace & Defense ETF	9.73%	37.15%	25.28%	4.24%

Correlation

The correlation between QOWZ and PPA is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.44
Correlation (All Time) Calculated using the full available price history since Dec 6, 2023	0.54

The correlation between QOWZ and PPA shifts across timeframes, from 0.44 (1 year) to 0.54 (all time), reflecting how their relationship changes across market environments.

QOWZ vs. PPA - Sectors Allocation Comparison

Sectors	QOWZ	PPA
Technology	60.1%	9.2%
Industrials	11.6%	90.6%
Healthcare	9.8%	-
Communication Services	8.3%	0.1%
Financial Services	4.8%	0.1%
Consumer Cyclical	3.6%	-
Consumer Defensive	1.9%	-
Basic Materials	-	-
Energy	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

QOWZ vs. PPA — Risk / Return Rank

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

QOWZ

QOWZ Risk / Return Rank: 6
QOWZ Sharpe Ratio Rank: 6
QOWZ Sortino Ratio Rank: 6
QOWZ Omega Ratio Rank: 6
QOWZ Calmar Ratio Rank: 7
QOWZ Martin Ratio Rank: 6

PPA

PPA Risk / Return Rank: 41
PPA Sharpe Ratio Rank: 41
PPA Sortino Ratio Rank: 44
PPA Omega Ratio Rank: 38
PPA Calmar Ratio Rank: 44
PPA Martin Ratio Rank: 38

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.

QOWZ vs. PPA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Nasdaq Free Cash Flow Achievers ETF (QOWZ) 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.

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.

	QOWZ	PPA	Difference
Sharpe ratio: Return per unit of total volatility	-0.32	1.30	-1.62
Sortino ratio: Return per unit of downside risk	-0.34	1.96	-2.30
Omega ratio: Gain probability vs. loss probability	0.96	1.23	-0.27
Calmar ratio: Return relative to maximum drawdown	-0.28	1.91	-2.19
Martin ratio: Return relative to average drawdown	-0.71	5.24	-5.95

QOWZ vs. PPA - Sharpe Ratio Comparison

The current QOWZ Sharpe Ratio is -0.32, which is lower than the PPA Sharpe Ratio of 1.30. The chart below compares the historical Sharpe Ratios of QOWZ 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.

Drawdowns

QOWZ vs. PPA - Drawdown Comparison

The maximum QOWZ drawdown since its inception was -20.36%, smaller than the maximum PPA drawdown of -57.37%. Use the drawdown chart below to compare losses from any high point for QOWZ and PPA.

Drawdown Indicators

	QOWZ	PPA	Difference
Max Drawdown Largest peak-to-trough decline	-20.36%	-57.37%	+37.01%
Max Drawdown (1Y) Largest decline over 1 year	-17.81%	-13.71%	-4.10%
Max Drawdown (3Y) Largest decline over 3 years	—	-15.24%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.37%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-43.92%	—
Current Drawdown Current decline from peak	-11.40%	-7.39%	-4.01%
Average Drawdown Average peak-to-trough decline	-4.11%	-9.18%	+5.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.10%	4.97%	+2.13%

Volatility

QOWZ vs. PPA - Volatility Comparison

The current volatility for Invesco Nasdaq Free Cash Flow Achievers ETF (QOWZ) is 6.20%, while Invesco Aerospace & Defense ETF (PPA) has a volatility of 7.99%. This indicates that QOWZ experiences smaller price fluctuations and is considered to be less risky than PPA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	QOWZ	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.20%	7.99%	-1.79%
Volatility (6M) Calculated over the trailing 6-month period	12.49%	16.83%	-4.34%
Volatility (1Y) Calculated over the trailing 1-year period	15.51%	20.14%	-4.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.27%	18.70%	+0.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.27%	20.72%	-1.45%

QOWZ vs. PPA - Expense Ratio Comparison

QOWZ has a 0.39% expense ratio, which is lower than PPA's 0.58% expense ratio.

Dividends

QOWZ vs. PPA - Dividend Comparison

QOWZ's dividend yield for the trailing twelve months is around 0.27%, less than PPA's 0.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PPA Invesco Aerospace & Defense ETF	0.37%	0.42%	0.61%	0.67%	0.83%	0.59%	0.88%	0.95%	0.90%	0.67%	1.70%	1.41%
QOWZ Invesco Nasdaq Free Cash Flow Achievers ETF	0.27%	0.28%	0.66%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both QOWZ and PPA in my portfolio?

QOWZ and PPA have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, QOWZ or PPA?

PPA has higher volatility (7.99%) compared to QOWZ (6.20%). In terms of maximum drawdown, QOWZ dropped -20.36% vs PPA's -57.37%.

Which ETF is better, QOWZ or PPA?

On 1-year performance, PPA leads with 26.01% vs -5.02% for QOWZ. On fees, QOWZ is cheaper at 0.39% per year. On volatility, QOWZ has been the lower-risk option at 6.20%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, QOWZ or PPA?

Over the 1-year period, PPA has performed better with a 26.01% return vs -5.02%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, QOWZ or PPA?

QOWZ is cheaper with a 0.39% expense ratio, compared with 0.58% for PPA.

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

PPA has the higher dividend yield at 0.37%, compared with 0.27% for QOWZ.

What is the main difference between QOWZ and PPA?

QOWZ is categorized as Large Cap Growth Equities, while PPA is Aerospace & Defense. QOWZ tracks Nasdaq US Free Cash Flow Achievers Index - Benchmark TR Gross, while PPA tracks SPADE Defense Index. Their fees differ too: 0.39% for QOWZ and 0.58% for PPA.

Which has better risk-adjusted returns?

PPA currently has the higher Sharpe Ratio (1.30 vs -0.32), 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.