NESR vs. PPA

Last updated Apr 1, 2026

Compare and contrast key facts about National Energy Services Reunited Corp. (NESR) and Invesco Aerospace & Defense ETF (PPA).

PPA is a passively managed fund by Invesco that tracks the performance of the SPADE Defense Index. It was launched on Oct 26, 2005.

Performance

NESR vs. PPA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in National Energy Services Reunited Corp. (NESR) and Invesco Aerospace & Defense ETF (PPA). The values are adjusted to include any dividend payments, if applicable.

NESR vs. PPA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NESR National Energy Services Reunited Corp.	37.10%	74.78%	46.89%	-12.10%	-26.56%	-4.83%	8.88%	5.31%	-12.96%	4.63%
PPA Invesco Aerospace & Defense ETF	5.82%	37.15%	25.28%	18.41%	9.52%	7.09%	0.45%	39.63%	-7.51%	17.26%

Returns By Period

In the year-to-date period, NESR achieves a 37.10% return, which is significantly higher than PPA's 5.82% return.

NESR

• 1D: 3.17%
• 1M: -14.29%
• YTD: 37.10%
• 6M: 109.26%
• 1Y: 191.71%
• 3Y*: 59.81%
• 5Y*: 11.09%
• 10Y*: —

PPA

• 1D: 3.49%
• 1M: -8.46%
• YTD: 5.82%
• 6M: 6.62%
• 1Y: 42.80%
• 3Y*: 27.91%
• 5Y*: 18.59%
• 10Y*: 17.70%

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

Return for Risk

NESR vs. PPA — Risk / Return Rank

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

NESR

NESR Risk / Return Rank: 96
NESR Sharpe Ratio Rank: 98
NESR Sortino Ratio Rank: 96
NESR Omega Ratio Rank: 95
NESR Calmar Ratio Rank: 96
NESR Martin Ratio Rank: 93

PPA

PPA Risk / Return Rank: 92
PPA Sharpe Ratio Rank: 91
PPA Sortino Ratio Rank: 92
PPA Omega Ratio Rank: 90
PPA Calmar Ratio Rank: 92
PPA Martin Ratio Rank: 92

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.

NESR vs. PPA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for National Energy Services Reunited Corp. (NESR) 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.

	NESR	PPA	Difference
Sharpe ratio Return per unit of total volatility	3.42	1.99	+1.43
Sortino ratio Return per unit of downside risk	3.82	2.68	+1.15
Omega ratio Gain probability vs. loss probability	1.49	1.37	+0.12
Calmar ratio Return relative to maximum drawdown	6.24	3.11	+3.13
Martin ratio Return relative to average drawdown	13.57	12.51	+1.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NESR vs. PPA - Sharpe Ratio Comparison

The current NESR Sharpe Ratio is 3.42, which is higher than the PPA Sharpe Ratio of 1.99. The chart below compares the historical Sharpe Ratios of NESR and PPA, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	NESR	PPA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.42	1.99	+1.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.20	1.03	-0.83
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.87	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.19	0.66	-0.47

Correlation

The correlation between NESR and PPA is 0.31, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

NESR vs. PPA - Dividend Comparison

NESR has not paid dividends to shareholders, while PPA's dividend yield for the trailing twelve months is around 0.40%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NESR National Energy Services Reunited Corp.	0.00%	0.00%	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	0.40%	0.42%	0.61%	0.67%	0.83%	0.59%	0.88%	0.95%	0.90%	0.67%	1.70%	1.41%

Drawdowns

NESR vs. PPA - Drawdown Comparison

The maximum NESR drawdown since its inception was -83.12%, which is greater than PPA's maximum drawdown of -57.37%. Use the drawdown chart below to compare losses from any high point for NESR and PPA.

Drawdown Indicators

	NESR	PPA	Difference
Max Drawdown Largest peak-to-trough decline	-83.12%	-57.37%	-25.75%
Max Drawdown (1Y) Largest decline over 1 year	-29.25%	-13.71%	-15.54%
Max Drawdown (5Y) Largest decline over 5 years	-83.12%	-18.37%	-64.75%
Max Drawdown (10Y) Largest decline over 10 years	—	-43.92%	—
Current Drawdown Current decline from peak	-18.55%	-10.69%	-7.86%
Average Drawdown Average peak-to-trough decline	-36.56%	-9.19%	-27.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.44%	3.41%	+10.03%

Volatility

NESR vs. PPA - Volatility Comparison

National Energy Services Reunited Corp. (NESR) has a higher volatility of 16.41% compared to Invesco Aerospace & Defense ETF (PPA) at 7.16%. This indicates that NESR'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

	NESR	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.41%	7.16%	+9.25%
Volatility (6M) Calculated over the trailing 6-month period	37.14%	15.07%	+22.07%
Volatility (1Y) Calculated over the trailing 1-year period	56.51%	21.64%	+34.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	55.13%	18.19%	+36.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	52.22%	20.48%	+31.74%