PPA vs. QUBT

Last updated Jun 13, 2026

PPA (Invesco Aerospace & Defense ETF) is Aerospace & Defense fund tracking the SPADE Defense Index, while QUBT (Quantum Computing, Inc.) is a stock. Over the past 5 years, PPA returned 18.41%/yr vs 9.88%/yr for QUBT. At a 0.21 correlation, their price movements are largely independent.

Performance

PPA vs. QUBT - Performance Comparison

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

Returns By Period

In the year-to-date period, PPA achieves a 11.20% return, which is significantly higher than QUBT's -3.22% return.

PPA

• 1D: -1.24%
• 1M: 2.73%
• YTD: 11.20%
• 6M: 13.03%
• 1Y: 28.73%
• 3Y*: 28.86%
• 5Y*: 18.41%
• 10Y*: 17.72%

QUBT

• 1D: 0.20%
• 1M: -9.97%
• YTD: -3.22%
• 6M: -17.59%
• 1Y: -43.29%
• 3Y*: 77.69%
• 5Y*: 9.88%
• 10Y*: —

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

PPA vs. QUBT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
PPA Invesco Aerospace & Defense ETF	11.20%	37.15%	25.28%	18.41%	9.52%	7.09%	0.45%	39.63%	-15.59%
QUBT Quantum Computing, Inc.	-3.22%	-38.01%	1,712.51%	-39.53%	-55.72%	-75.83%	370.33%	0.00%	-42.31%

Correlation

The correlation between PPA and QUBT is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (5Y) Calculated over the trailing 5-year period	0.31
Correlation (All Time) Calculated using the full available price history since Aug 1, 2018	0.21

The correlation between PPA and QUBT shifts across timeframes, from 0.21 (all time) to 0.40 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

PPA vs. QUBT — Risk / Return Rank

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

PPA

PPA Risk / Return Rank: 46
PPA Sharpe Ratio Rank: 47
PPA Sortino Ratio Rank: 49
PPA Omega Ratio Rank: 43
PPA Calmar Ratio Rank: 48
PPA Martin Ratio Rank: 42

QUBT

QUBT Risk / Return Rank: 26
QUBT Sharpe Ratio Rank: 24
QUBT Sortino Ratio Rank: 30
QUBT Omega Ratio Rank: 30
QUBT Calmar Ratio Rank: 22
QUBT Martin Ratio Rank: 26

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.

PPA vs. QUBT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Aerospace & Defense ETF (PPA) and Quantum Computing, Inc. (QUBT). 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.

	PPA	QUBT	Difference
Sharpe ratio: Return per unit of total volatility	1.44	-0.42	+1.86
Sortino ratio: Return per unit of downside risk	2.14	-0.08	+2.22
Omega ratio: Gain probability vs. loss probability	1.25	0.99	+0.26
Calmar ratio: Return relative to maximum drawdown	2.11	-0.58	+2.69
Martin ratio: Return relative to average drawdown	5.94	-0.89	+6.83

PPA vs. QUBT - Sharpe Ratio Comparison

The current PPA Sharpe Ratio is 1.44, which is higher than the QUBT Sharpe Ratio of -0.42. The chart below compares the historical Sharpe Ratios of PPA and QUBT, 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

PPA vs. QUBT - Drawdown Comparison

The maximum PPA drawdown since its inception was -57.37%, smaller than the maximum QUBT drawdown of -97.53%. Use the drawdown chart below to compare losses from any high point for PPA and QUBT.

Drawdown Indicators

	PPA	QUBT	Difference
Max Drawdown Largest peak-to-trough decline	-57.37%	-97.53%	+40.16%
Max Drawdown (1Y) Largest decline over 1 year	-13.71%	-74.37%	+60.66%
Max Drawdown (3Y) Largest decline over 3 years	-15.24%	-82.40%	+67.16%
Max Drawdown (5Y) Largest decline over 5 years	-18.37%	-95.63%	+77.26%
Max Drawdown (10Y) Largest decline over 10 years	-43.92%	—	—
Current Drawdown Current decline from peak	-6.15%	-61.33%	+55.18%
Average Drawdown Average peak-to-trough decline	-9.18%	-72.90%	+63.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.85%	48.67%	-43.82%

Volatility

PPA vs. QUBT - Volatility Comparison

The current volatility for Invesco Aerospace & Defense ETF (PPA) is 8.91%, while Quantum Computing, Inc. (QUBT) has a volatility of 33.55%. This indicates that PPA experiences smaller price fluctuations and is considered to be less risky than QUBT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PPA	QUBT	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.91%	33.55%	-24.64%
Volatility (6M) Calculated over the trailing 6-month period	17.06%	67.37%	-50.31%
Volatility (1Y) Calculated over the trailing 1-year period	20.04%	103.81%	-83.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.70%	133.05%	-114.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.73%	177.48%	-156.75%

Dividends

PPA vs. QUBT - Dividend Comparison

PPA's dividend yield for the trailing twelve months is around 0.38%, while QUBT has not paid dividends to shareholders.

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%
QUBT Quantum Computing, Inc.	0.00%	0.00%	0.00%	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 PPA and QUBT in my portfolio?

PPA and QUBT have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PPA or QUBT?

QUBT has higher volatility (33.55%) compared to PPA (8.91%). In terms of maximum drawdown, PPA dropped -57.37% vs QUBT's -97.53%.

Which has better risk-adjusted returns?

PPA currently has the higher Sharpe Ratio (1.44 vs -0.42), 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.