CSTK vs. PPA

Last updated Jun 4, 2026

CSTK (Invesco Comstock Contrarian Equity ETF) and PPA (Invesco Aerospace & Defense ETF) are both exchange-traded funds - CSTK is a Large Cap Value Equities fund actively managed by Invesco, while PPA is a Aerospace & Defense fund tracking the SPADE Defense Index. CSTK is actively managed, while PPA is passively managed. Over the past year, CSTK returned 26.71% vs 26.57% for PPA. A 0.50 correlation means they provide meaningful diversification when combined. CSTK charges 0.35%/yr vs 0.58%/yr for PPA.

Performance

CSTK vs. PPA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Comstock Contrarian Equity ETF (CSTK) 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, CSTK achieves a 11.29% return, which is significantly higher than PPA's 8.54% return.

CSTK

• 1D: 0.07%
• 1M: 3.59%
• YTD: 11.29%
• 6M: 13.04%
• 1Y: 26.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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)

CSTK vs. PPA - Yearly Performance Comparison

	2026 (YTD)	2025
CSTK Invesco Comstock Contrarian Equity ETF	11.29%	18.33%
PPA Invesco Aerospace & Defense ETF	8.54%	26.39%

Correlation

The correlation between CSTK and PPA is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (All Time) Calculated using the full available price history since May 8, 2025	0.50

The correlation between CSTK and PPA has been stable across timeframes, ranging from 0.48 to 0.50 - a consistent structural relationship.

Return for Risk

CSTK vs. PPA — Risk / Return Rank

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

CSTK

CSTK Risk / Return Rank: 70
CSTK Sharpe Ratio Rank: 74
CSTK Sortino Ratio Rank: 77
CSTK Omega Ratio Rank: 71
CSTK Calmar Ratio Rank: 62
CSTK Martin Ratio Rank: 66

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.

CSTK vs. PPA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Comstock Contrarian Equity ETF (CSTK) 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.

	CSTK	PPA	Difference
Sharpe ratio: Return per unit of total volatility	2.38	1.40	+0.98
Sortino ratio: Return per unit of downside risk	3.42	2.05	+1.36
Omega ratio: Gain probability vs. loss probability	1.42	1.24	+0.18
Calmar ratio: Return relative to maximum drawdown	3.02	1.95	+1.08
Martin ratio: Return relative to average drawdown	11.85	5.68	+6.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSTK vs. PPA - Sharpe Ratio Comparison

The current CSTK Sharpe Ratio is 2.38, which is higher than the PPA Sharpe Ratio of 1.40. The chart below compares the historical Sharpe Ratios of CSTK 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

	CSTK	PPA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.38	1.40	+0.98
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.97	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.84	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.54	0.66	+1.88

Drawdowns

CSTK vs. PPA - Drawdown Comparison

The maximum CSTK drawdown since its inception was -8.87%, smaller than the maximum PPA drawdown of -57.37%. Use the drawdown chart below to compare losses from any high point for CSTK and PPA.

Drawdown Indicators

	CSTK	PPA	Difference
Max Drawdown Largest peak-to-trough decline	-8.87%	-57.37%	+48.50%
Max Drawdown (1Y) Largest decline over 1 year	-8.87%	-13.71%	+4.84%
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	-0.60%	-8.40%	+7.80%
Average Drawdown Average peak-to-trough decline	-1.28%	-9.18%	+7.90%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.26%	4.69%	-2.43%

Volatility

CSTK vs. PPA - Volatility Comparison

The current volatility for Invesco Comstock Contrarian Equity ETF (CSTK) is 2.68%, while Invesco Aerospace & Defense ETF (PPA) has a volatility of 6.73%. This indicates that CSTK 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

	CSTK	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.68%	6.73%	-4.05%
Volatility (6M) Calculated over the trailing 6-month period	8.45%	15.95%	-7.50%
Volatility (1Y) Calculated over the trailing 1-year period	11.28%	19.03%	-7.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.60%	18.49%	-6.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.60%	20.64%	-9.04%

CSTK vs. PPA - Expense Ratio Comparison

CSTK has a 0.35% expense ratio, which is lower than PPA's 0.58% expense ratio.

Dividends

CSTK vs. PPA - Dividend Comparison

CSTK's dividend yield for the trailing twelve months is around 1.77%, more than PPA's 0.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CSTK Invesco Comstock Contrarian Equity ETF	1.77%	1.44%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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%

Frequently Asked Questions

Can I hold both CSTK and PPA in my portfolio?

CSTK and PPA have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CSTK or PPA?

PPA has higher volatility (6.73%) compared to CSTK (2.68%). In terms of maximum drawdown, CSTK dropped -8.87% vs PPA's -57.37%.

Which ETF is better, CSTK or PPA?

On 1-year performance, CSTK leads with 26.71% vs 26.57% for PPA. On fees, CSTK is cheaper at 0.35% per year. On volatility, CSTK has been the lower-risk option at 2.68%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CSTK or PPA?

Over the 1-year period, CSTK has performed better with a 26.71% return vs 26.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CSTK or PPA?

CSTK is cheaper with a 0.35% expense ratio, compared with 0.58% for PPA.

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

CSTK has the higher dividend yield at 1.77%, compared with 0.39% for PPA.

What is the main difference between CSTK and PPA?

CSTK is categorized as Large Cap Value Equities, while PPA is Aerospace & Defense. Their fees differ too: 0.35% for CSTK and 0.58% for PPA.

Which has better risk-adjusted returns?

CSTK currently has the higher Sharpe Ratio (2.38 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.