XSMO vs. PPA

Last updated Jun 5, 2026

XSMO (Invesco S&P SmallCap Momentum ETF) and PPA (Invesco Aerospace & Defense ETF) are both exchange-traded funds - XSMO is a Momentum fund tracking the S&P SmallCap 600 Momentum Index, while PPA is a Aerospace & Defense fund tracking the SPADE Defense Index. Both are passively managed. Over the past 10 years, XSMO returned 14.63%/yr vs 17.53%/yr for PPA. A 0.73 correlation means they provide meaningful diversification when combined. XSMO charges 0.36%/yr vs 0.58%/yr for PPA.

Performance

XSMO vs. PPA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P SmallCap Momentum ETF (XSMO) 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, XSMO achieves a 23.45% return, which is significantly higher than PPA's 10.82% return. Over the past 10 years, XSMO has underperformed PPA with an annualized return of 14.63%, while PPA has yielded a comparatively higher 17.53% annualized return.

XSMO

• 1D: 1.22%
• 1M: 0.48%
• YTD: 23.45%
• 6M: 21.12%
• 1Y: 35.59%
• 3Y*: 25.70%
• 5Y*: 11.48%
• 10Y*: 14.63%

PPA

• 1D: 2.10%
• 1M: 5.79%
• YTD: 10.82%
• 6M: 14.31%
• 1Y: 28.82%
• 3Y*: 30.12%
• 5Y*: 18.31%
• 10Y*: 17.53%

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

XSMO vs. PPA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
XSMO Invesco S&P SmallCap Momentum ETF	23.45%	9.80%	17.45%	21.55%	-15.44%	19.24%	21.96%	28.65%	-3.44%	23.95%
PPA Invesco Aerospace & Defense ETF	10.82%	37.15%	25.28%	18.41%	9.52%	7.09%	0.45%	39.63%	-7.51%	30.10%

Correlation

The correlation between XSMO and PPA is 0.57, 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	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.69
Correlation (5Y) Calculated over the trailing 5-year period	0.72
Correlation (10Y) Calculated over the trailing 10-year period	0.70
Correlation (All Time) Calculated using the full available price history since Oct 27, 2005	0.73

The correlation between XSMO and PPA shifts across timeframes, from 0.57 (1 year) to 0.73 (all time), reflecting how their relationship changes across market environments.

XSMO vs. PPA - Sectors Allocation Comparison

Sectors	XSMO	PPA
Technology	20.9%	9.8%
Industrials	19.5%	90.1%
Healthcare	13.9%	-
Financial Services	12.3%	-
Consumer Cyclical	9.0%	-
Basic Materials	5.8%	-
Real Estate	5.0%	-
Communication Services	4.1%	0.1%
Utilities	4.0%	-
Energy	3.1%	-
Consumer Defensive	2.4%	-

Return for Risk

XSMO vs. PPA — Risk / Return Rank

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

XSMO

XSMO Risk / Return Rank: 65
XSMO Sharpe Ratio Rank: 57
XSMO Sortino Ratio Rank: 59
XSMO Omega Ratio Rank: 54
XSMO Calmar Ratio Rank: 79
XSMO Martin Ratio Rank: 74

PPA

PPA Risk / Return Rank: 43
PPA Sharpe Ratio Rank: 44
PPA Sortino Ratio Rank: 45
PPA Omega Ratio Rank: 41
PPA Calmar Ratio Rank: 44
PPA Martin Ratio Rank: 40

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.

XSMO vs. PPA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P SmallCap Momentum ETF (XSMO) 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.

	XSMO	PPA	Difference
Sharpe ratio: Return per unit of total volatility	1.91	1.51	+0.39
Sortino ratio: Return per unit of downside risk	2.73	2.20	+0.53
Omega ratio: Gain probability vs. loss probability	1.32	1.26	+0.07
Calmar ratio: Return relative to maximum drawdown	4.02	2.11	+1.91
Martin ratio: Return relative to average drawdown	13.74	6.14	+7.59
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XSMO vs. PPA - Sharpe Ratio Comparison

The current XSMO Sharpe Ratio is 1.91, which is comparable to the PPA Sharpe Ratio of 1.51. The chart below compares the historical Sharpe Ratios of XSMO 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

	XSMO	PPA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.91	1.51	+0.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.99	-0.49
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.85	-0.24
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.66	-0.27

Drawdowns

XSMO vs. PPA - Drawdown Comparison

The maximum XSMO drawdown since its inception was -58.06%, roughly equal to the maximum PPA drawdown of -57.37%. Use the drawdown chart below to compare losses from any high point for XSMO and PPA.

Drawdown Indicators

	XSMO	PPA	Difference
Max Drawdown Largest peak-to-trough decline	-58.06%	-57.37%	-0.69%
Max Drawdown (1Y) Largest decline over 1 year	-8.89%	-13.71%	+4.82%
Max Drawdown (3Y) Largest decline over 3 years	-24.76%	-15.24%	-9.52%
Max Drawdown (5Y) Largest decline over 5 years	-29.62%	-18.37%	-11.25%
Max Drawdown (10Y) Largest decline over 10 years	-39.39%	-43.92%	+4.53%
Current Drawdown Current decline from peak	-0.52%	-6.47%	+5.95%
Average Drawdown Average peak-to-trough decline	-11.13%	-9.18%	-1.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.60%	4.70%	-2.10%

Volatility

XSMO vs. PPA - Volatility Comparison

The current volatility for Invesco S&P SmallCap Momentum ETF (XSMO) is 6.12%, while Invesco Aerospace & Defense ETF (PPA) has a volatility of 6.97%. This indicates that XSMO 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

	XSMO	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.12%	6.97%	-0.85%
Volatility (6M) Calculated over the trailing 6-month period	14.15%	16.05%	-1.90%
Volatility (1Y) Calculated over the trailing 1-year period	18.76%	19.12%	-0.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.68%	18.51%	+4.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.12%	20.64%	+3.48%

XSMO vs. PPA - Expense Ratio Comparison

XSMO has a 0.36% expense ratio, which is lower than PPA's 0.58% expense ratio.

Dividends

XSMO vs. PPA - Dividend Comparison

XSMO's dividend yield for the trailing twelve months is around 0.52%, more than PPA's 0.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PPA Invesco Aerospace & Defense ETF	0.38%	0.42%	0.61%	0.67%	0.83%	0.59%	0.88%	0.95%	0.90%	0.67%	1.70%	1.41%
XSMO Invesco S&P SmallCap Momentum ETF	0.52%	0.75%	0.63%	0.96%	1.19%	0.30%	0.82%	0.69%	0.66%	0.27%	0.30%	0.35%

Frequently Asked Questions

Can I hold both XSMO and PPA in my portfolio?

XSMO and PPA have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XSMO or PPA?

PPA has higher volatility (6.97%) compared to XSMO (6.12%). In terms of maximum drawdown, XSMO dropped -58.06% vs PPA's -57.37%.

Which ETF is better, XSMO or PPA?

On 10-year performance, PPA leads with 17.53% vs 14.63% for XSMO. On fees, XSMO is cheaper at 0.36% per year. On volatility, XSMO has been the lower-risk option at 6.12%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XSMO or PPA?

Over the 10-year period, PPA has performed better with a 17.53% return vs 14.63%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XSMO or PPA?

XSMO is cheaper with a 0.36% expense ratio, compared with 0.58% for PPA.

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

XSMO has the higher dividend yield at 0.52%, compared with 0.38% for PPA.

What is the main difference between XSMO and PPA?

XSMO is categorized as Momentum, while PPA is Aerospace & Defense. XSMO tracks S&P SmallCap 600 Momentum Index, while PPA tracks SPADE Defense Index. Their fees differ too: 0.36% for XSMO and 0.58% for PPA.

Which has better risk-adjusted returns?

XSMO currently has the higher Sharpe Ratio (1.91 vs 1.51), 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.