BAH vs. PPA

Last updated Jun 4, 2026

BAH (Booz Allen Hamilton Holding Corporation) is a stock, while PPA (Invesco Aerospace & Defense ETF) is Aerospace & Defense fund tracking the SPADE Defense Index. Over the past 10 years, BAH returned 12.25%/yr vs 17.38%/yr for PPA. At a 0.50 correlation, their price movements are largely independent.

Performance

BAH vs. PPA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Booz Allen Hamilton Holding Corporation (BAH) 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, BAH achieves a -6.24% return, which is significantly lower than PPA's 8.54% return. Over the past 10 years, BAH has underperformed PPA with an annualized return of 12.25%, while PPA has yielded a comparatively higher 17.38% annualized return.

BAH

• 1D: -2.28%
• 1M: 0.85%
• YTD: -6.24%
• 6M: -4.11%
• 1Y: -23.32%
• 3Y*: -7.18%
• 5Y*: 0.11%
• 10Y*: 12.25%

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)

BAH vs. PPA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BAH Booz Allen Hamilton Holding Corporation	-6.24%	-33.02%	2.00%	24.47%	25.71%	-1.04%	24.46%	60.16%	20.21%	7.77%
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 BAH and PPA is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.24
Correlation (3Y) Calculated over the trailing 3-year period	0.41
Correlation (5Y) Calculated over the trailing 5-year period	0.49
Correlation (10Y) Calculated over the trailing 10-year period	0.51
Correlation (All Time) Calculated using the full available price history since Nov 19, 2010	0.50

Over the past year, the correlation between BAH and PPA has dropped to 0.24 - well below their long-term average of 0.50, suggesting their price drivers have been diverging.

Return for Risk

BAH vs. PPA — Risk / Return Rank

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

BAH

BAH Risk / Return Rank: 16
BAH Sharpe Ratio Rank: 14
BAH Sortino Ratio Rank: 16
BAH Omega Ratio Rank: 16
BAH Calmar Ratio Rank: 18
BAH Martin Ratio Rank: 19

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.

BAH vs. PPA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Booz Allen Hamilton Holding Corporation (BAH) 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.

	BAH	PPA	Difference
Sharpe ratio: Return per unit of total volatility	-0.62	1.40	-2.02
Sortino ratio: Return per unit of downside risk	-0.67	2.05	-2.73
Omega ratio: Gain probability vs. loss probability	0.91	1.24	-0.33
Calmar ratio: Return relative to maximum drawdown	-0.63	1.95	-2.58
Martin ratio: Return relative to average drawdown	-1.05	5.68	-6.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BAH vs. PPA - Sharpe Ratio Comparison

The current BAH Sharpe Ratio is -0.62, which is lower than the PPA Sharpe Ratio of 1.40. The chart below compares the historical Sharpe Ratios of BAH 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

	BAH	PPA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.62	1.40	-2.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.00	0.97	-0.97
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	0.84	-0.42
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	0.66	-0.09

Drawdowns

BAH vs. PPA - Drawdown Comparison

The maximum BAH drawdown since its inception was -60.24%, which is greater than PPA's maximum drawdown of -57.37%. Use the drawdown chart below to compare losses from any high point for BAH and PPA.

Drawdown Indicators

	BAH	PPA	Difference
Max Drawdown Largest peak-to-trough decline	-60.24%	-57.37%	-2.87%
Max Drawdown (1Y) Largest decline over 1 year	-37.07%	-13.71%	-23.36%
Max Drawdown (3Y) Largest decline over 3 years	-60.24%	-15.24%	-45.00%
Max Drawdown (5Y) Largest decline over 5 years	-60.24%	-18.37%	-41.87%
Max Drawdown (10Y) Largest decline over 10 years	-60.24%	-43.92%	-16.32%
Current Drawdown Current decline from peak	-56.40%	-8.40%	-48.00%
Average Drawdown Average peak-to-trough decline	-10.68%	-9.18%	-1.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	22.20%	4.69%	+17.51%

Volatility

BAH vs. PPA - Volatility Comparison

Booz Allen Hamilton Holding Corporation (BAH) has a higher volatility of 12.40% compared to Invesco Aerospace & Defense ETF (PPA) at 6.73%. This indicates that BAH'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

	BAH	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.40%	6.73%	+5.67%
Volatility (6M) Calculated over the trailing 6-month period	31.84%	15.95%	+15.89%
Volatility (1Y) Calculated over the trailing 1-year period	37.82%	19.03%	+18.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.00%	18.49%	+12.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.65%	20.64%	+8.01%

Dividends

BAH vs. PPA - Dividend Comparison

BAH's dividend yield for the trailing twelve months is around 2.85%, more than PPA's 0.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BAH Booz Allen Hamilton Holding Corporation	2.85%	2.61%	1.59%	1.47%	1.65%	1.75%	1.42%	1.35%	1.69%	1.78%	1.66%	1.69%
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 BAH and PPA in my portfolio?

BAH and PPA have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BAH or PPA?

BAH has higher volatility (12.40%) compared to PPA (6.73%). In terms of maximum drawdown, BAH dropped -60.24% vs PPA's -57.37%.

Which has better risk-adjusted returns?

PPA currently has the higher Sharpe Ratio (1.40 vs -0.62), 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.