NPWR vs BYRN

Comparison between NET Power Inc - Class A (NPWR, Company) and Byrna Technologies Inc (BYRN, Company).

Both NPWR and BYRN are from the Industrials sector.

5-Year PerformanceBYRN has outperformed NPWR, delivering a return of -23.4% compared to -30.4%

NPWR vs BYRN - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	NPWR(COMPANY)	BYRN(COMPANY)
Market Cap	$143M	$142M
Max Drawdown	90.98%	92.51%
Sharpe Ratio	0.01	-1.68
5Y Beta	2.27	1.45
Industry	Specialty Industrial Machinery	Aerospace & Defense
P/E Ratio	-0.23	16.11
Forward P/E	N/A	36.90
PEG Ratio	-0.00	0.19
Debt to Equity	0.00%	0.00%
Free Cash Flow Yield	N/A	-5.50%
P/S Ratio	19773.98	1.18
P/B Ratio	0.72	2.14

Market Cap

Winner

NPWR

$143M

BYRN

$142M

Max Drawdown

Winner

NPWR

90.98%

BYRN

92.51%

Sharpe Ratio

Winner

NPWR

0.01

BYRN

-1.68

5Y Beta

NPWR

2.27

Winner

BYRN

1.45

Industry

NPWR

Specialty Industrial Machinery

BYRN

Aerospace & Defense

P/E Ratio

Winner

NPWR

-0.23

BYRN

16.11

Forward P/E

NPWR

N/A

BYRN

36.90

PEG Ratio

Winner

NPWR

-0.00

BYRN

0.19

Debt to Equity

NPWR

0.00%

BYRN

0.00%

Free Cash Flow Yield

NPWR

N/A

BYRN

-5.50%

P/S Ratio

NPWR

19773.98

Winner

BYRN

1.18

P/B Ratio

Winner

NPWR

0.72

BYRN

2.14

NPWR vs BYRN - Historical Returns

Returns include dividend reinvestment.

Period	NPWR	BYRN
1 month	-31.45%	+25.25%
3 months	-9.09%	-34.87%
6 months	-34.36%	-66.08%
1 year	-33.85%	-79.89%
5 years(CAGR)	-30.39%	-23.38%
10 years(CAGR)	N/A	+10.22%
Max(CAGR)	-30.39%	+6.28%

NPWR

-31.45%

Winner

BYRN

+25.25%

Winner

NPWR

-9.09%

BYRN

-34.87%

Winner

NPWR

-34.36%

BYRN

-66.08%

Winner

NPWR

-33.85%

BYRN

-79.89%

5Y(CAGR)

NPWR

-30.39%

Winner

BYRN

-23.38%

10Y(CAGR)

NPWR

N/A

BYRN

+10.22%

Max(CAGR)

NPWR

-30.39%

Winner

BYRN

+6.28%

NPWR vs BYRN - Annual Returns (2011 - 2026)

Returns include dividend reinvestment.

Year	NPWR	BYRN
2026	-32.27%	-62.02%
2025	-78.87%	-40.71%
2024	+8.50%	+402.79%
2023	-0.50%	-19.11%
2022	+1.70%	-42.31%
2021	+1.52%	-8.56%
2020	N/A	+590.48%
2019	N/A	+18.75%
2018	N/A	+3.45%
2017	N/A	-30.00%
2016	N/A	-19.97%
2015	N/A	-5.91%
2014	N/A	-25.71%
2013	N/A	-12.50%
2012	N/A	+280.95%
2011	N/A	-58.00%

NPWR vs BYRN Drawdown Comparison

The maximum drawdown for NPWR was -90.98%, occurring on Mar 30, 2026. This drawdown has not yet recovered.

The maximum drawdown for BYRN was -92.51%, occurring on Sep 29, 2023. Recovery took 838 trading sessions.

The current NPWR drawdown is -89.70%. The current BYRN drawdown is -81.43%.

Rank	NPWR	BYRN
#1	-90.98% Sep 15, 2023 - Mar 30, 2026	-92.51% Aug 26, 2021 - Dec 26, 2024
#2	-27.38% Jun 12, 2023 - Sep 15, 2023	-91.38% Oct 8, 2012 - Jun 3, 2020
#3	-6.54% Nov 26, 2021 - Jun 6, 2023	-85.49% Feb 10, 2025 - May 15, 2026
#4	-1.42% Aug 6, 2021 - Sep 10, 2021	-83.33% Apr 14, 2011 - Jan 18, 2012
#5	-1.30% Oct 5, 2021 - Nov 11, 2021	-56.41% Jan 24, 2012 - Oct 3, 2012
#6	-0.58% Nov 22, 2021 - Nov 26, 2021	-44.00% Feb 23, 2011 - Apr 14, 2011
#7	-0.51% Sep 10, 2021 - Sep 27, 2021	-41.09% Aug 20, 2020 - Apr 15, 2021
#8	-0.49% Nov 12, 2021 - Nov 16, 2021	-27.88% Jun 15, 2020 - Aug 13, 2020
#9	-0.39% Nov 16, 2021 - Nov 22, 2021	-22.45% May 19, 2021 - Aug 23, 2021
#10	-0.20% Sep 27, 2021 - Oct 5, 2021	-18.24% Jan 23, 2025 - Feb 10, 2025
#11	N/A	-14.03% Dec 26, 2024 - Jan 23, 2025
#12	N/A	-11.69% Apr 15, 2021 - Apr 27, 2021
#13	N/A	-10.45% Jun 3, 2020 - Jun 10, 2020
#14	N/A	-6.74% Apr 28, 2021 - May 6, 2021
#15	N/A	-1.79% May 6, 2021 - May 10, 2021

Correlation

Correlation between NPWR and BYRN is -0.41 which considered as a weak negative correlation - the stocks show a slight tendency to move in opposite directions.

-0.41

-101