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Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
BLDP Ballard Power Systems	$1.79 -2.2%	$1.68	$1.00 ▼ $2.28	$548.76M	1.71	7.18 million shs	6.15 million shs
BYRN Byrna Technologies	$21.32 -4.0%	$27.42	$7.79 ▼ $34.78	$504.25M	2.07	884,238 shs	534,453 shs
ELVA Electrovaya	$4.86 -0.8%	$3.65	$1.67 ▼ $5.14	$196.52M	1.55	207,495 shs	97,606 shs
NPWR NET Power	$2.63 -8.7%	$2.61	$1.48 ▼ $14.28	$630.91M	0.72	1.93 million shs	2.06 million shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
BLDP Ballard Power Systems	-2.19%	-15.96%	+7.19%	+43.20%	-21.49%
BYRN Byrna Technologies	-4.01%	-9.85%	-32.60%	-10.34%	+127.29%
ELVA Electrovaya	-0.82%	+8.00%	+46.83%	+81.34%	+98.37%
NPWR NET Power	-8.68%	-6.17%	+3.14%	+41.78%	-72.49%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
BLDP Ballard Power Systems	1.0769 of 5 stars	1.9	2.0	2.3	0.0	1.3
BYRN Byrna Technologies	2.8149 of 5 stars	3.6	1.0	3.8	0.0	1.9
ELVA Electrovaya	2.9563 of 5 stars	3.6	3.0	2.3	0.0	1.9
NPWR NET Power	2.7687 of 5 stars	3.3	3.0	2.9	0.8	1.3

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
BLDP Ballard Power Systems	1.72	Reduce	$2.14	19.51% Upside
BYRN Byrna Technologies	3.20	Buy	$38.75	81.75% Upside
ELVA Electrovaya	3.20	Buy	$6.10	25.51% Upside
NPWR NET Power	2.67	Moderate Buy	$4.00	52.09% Upside

Current Analyst Ratings Breakdown

Latest ELVA, BLDP, NPWR, and BYRN Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
7/21/2025	BLDP Ballard Power Systems	Susquehanna Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Neutral ➝ Neutral	$1.30 ➝ $2.00
7/16/2025	BYRN Byrna Technologies	Craig Hallum Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Buy	$39.00
7/11/2025	BYRN Byrna Technologies	B. Riley Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$39.00 ➝ $46.00
7/9/2025	BYRN Byrna Technologies	Roth Capital Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Buy ➝ Buy	$33.00 ➝ $37.00
6/8/2025	BLDP Ballard Power Systems	National Bank Financial Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Hold
6/6/2025	BYRN Byrna Technologies	Wolfe Research Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Strong-Buy
6/6/2025	BYRN Byrna Technologies	B. Riley Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$38.00 ➝ $39.00
5/12/2025	BLDP Ballard Power Systems	UBS Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Neutral ➝ Neutral	$2.00 ➝ $1.40

(Data available from 8/2/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
BLDP Ballard Power Systems	$70.67M	7.60	N/A	N/A	$2.25 per share	0.80
BYRN Byrna Technologies	$85.76M	5.64	$0.36 per share	58.42	$2.65 per share	8.05
ELVA Electrovaya	$44.62M	4.37	N/A	N/A	$0.25 per share	19.44
NPWR NET Power	$250K	2,304.62	$0.14 per share	19.22	$3.03 per share	0.87

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
BLDP Ballard Power Systems	-$324.24M	-$1.02	N/A	N/A	N/A	-430.17%	-20.41%	-17.90%	8/11/2025 (Estimated)
BYRN Byrna Technologies	$12.79M	$0.62	34.39	56.11	N/A	14.28%	16.96%	13.10%	10/8/2025 (Estimated)
ELVA Electrovaya	-$1.49M	N/A	0.00	15.19	N/A	-0.06%	-0.21%	-0.07%	8/12/2025 (Estimated)
NPWR NET Power	-$49.19M	-$2.06	N/A	N/A	N/A	N/A	-22.52%	-7.12%	8/11/2025 (Estimated)

Latest ELVA, BLDP, NPWR, and BYRN Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/12/2025	Q3 2025	ELVA Electrovaya	$0.04	N/A	N/A	N/A	$17.25 million	N/A
8/11/2025	Q2 2025	BLDP Ballard Power Systems	-$0.10	N/A	N/A	N/A	$17.94 million	N/A
8/11/2025	Q2 2025	NPWR NET Power	-$0.1181	N/A	N/A	N/A	N/A	N/A
7/10/2025	Q2 2025	BYRN Byrna Technologies	$0.03	$0.10	+$0.07	$0.10	$28.47 million	$28,505.00 billion
5/14/2025	Q2 2025	ELVA Electrovaya	$0.03	$0.02	-$0.01	$0.02	$15.95 million	$15.02 million
5/12/2025	Q1 2025	NPWR NET Power	-$0.11	-$1.55	-$1.44	-$1.55	N/A	N/A
5/6/2025	Q1 2025	BLDP Ballard Power Systems	-$0.12	-$0.07	+$0.05	-$0.07	$16.82 million	$14.76 million

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
BLDP Ballard Power Systems	N/A	N/A	N/A	N/A	N/A
BYRN Byrna Technologies	N/A	N/A	N/A	N/A	N/A
ELVA Electrovaya	N/A	N/A	N/A	N/A	N/A
NPWR NET Power	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
BLDP Ballard Power Systems	0.03	9.00	8.13
BYRN Byrna Technologies	N/A	3.63	1.53
ELVA Electrovaya	0.69	3.89	3.01
NPWR NET Power	N/A	23.30	23.30

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
BLDP Ballard Power Systems	28.02%
BYRN Byrna Technologies	25.46%
ELVA Electrovaya	22.47%
NPWR NET Power	53.62%

Insider Ownership

Company	Insider Ownership
BLDP Ballard Power Systems	0.16%
BYRN Byrna Technologies	9.75%
ELVA Electrovaya	N/A
NPWR NET Power	2.71%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
BLDP Ballard Power Systems	1,370	299.87 million	299.39 million	Optionable
BYRN Byrna Technologies	150	22.70 million	20.49 million	Optionable
ELVA Electrovaya	97	40.11 million	N/A	Not Optionable
NPWR NET Power	24	219.07 million	213.13 million	Optionable

ELVA, BLDP, NPWR, and BYRN Headlines

Recent News About These Companies

NET Power (NYSE:NPWR) Shares Up 11.1% - Here's What Happened

July 31 at 2:55 PM | marketbeat.com

S&CO Inc. Sells 105,475 Shares of NET Power Inc. (NYSE:NPWR)

July 29, 2025 | marketbeat.com

NET Power (NYSE:NPWR) versus Enlight Renewable Energy (NASDAQ:ENLT) Head to Head Analysis

July 25, 2025 | americanbankingnews.com

Net Power Schedules Second Quarter 2025 Earnings Release and Conference Call

July 24, 2025 | finance.yahoo.com

NET Power (NYSE:NPWR) Stock Price Down 6.3% - Here's Why

July 22, 2025 | marketbeat.com

NET Power (NYSE:NPWR) Trading 8.1% Higher - What's Next?

July 21, 2025 | marketbeat.com

NET Power Board Member Eunkyung Sung Resigns

July 15, 2025 | tipranks.com

NET Power (NYSE:NPWR) Sees Unusually-High Trading Volume - Time to Buy?

July 15, 2025 | marketbeat.com

NET Power (NYSE:NPWR) Stock Price Down 5.9% - What's Next?

July 14, 2025 | marketbeat.com

Helical Fusion Raises JPY 2.3 Billion Series A, Advances Roadmap for World's First Steady-State Net Power Fusion Plant

July 10, 2025 | businesswire.com

Kuehn Law Encourages Investors of NET Power Inc. to Contact Law Firm

July 9, 2025 | prnewswire.com

NET Power (NYSE:NPWR) Trading Up 7.5% - Should You Buy?

July 8, 2025 | marketbeat.com

NET Power (NYSE:NPWR) Trading Down 6.5% - Should You Sell?

July 7, 2025 | marketbeat.com

NET Power (NYSE:NPWR) Sees Unusually-High Trading Volume - Here's What Happened

July 3, 2025 | marketbeat.com

NET Power Sees Unusually High Options Volume (NYSE:NPWR)

July 3, 2025 | marketbeat.com

Kuehn Law Encourages Investors of NET Power Inc. to Contact Law Firm

July 2, 2025 | globenewswire.com

Pomerantz Law Firm Announces the Filing of a Class Action Against NET Power Inc. and Certain Officers – NPWR

June 18, 2025 | globenewswire.com

NPWR INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that NET Power Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

June 17, 2025 | globenewswire.com

NPWR DEADLINE TODAY: ROSEN, TRUSTED INVESTOR COUNSEL, Encourages NET Power Inc. Investors to Secure Counsel Before Important June 17 Deadline in Securities Class Action - NPWR, NPWR.WS

June 17, 2025 | accessnewswire.comA

Pomerantz Law Firm Announces the Filing of a Class Action Against NET Power Inc. and Certain Officers - NPWR

June 17, 2025 | prnewswire.com

Investor Alert: Deadline Approaching to Join NET Power, Inc. (NPWR) Class Action - Contact Levi & Korsinsky

June 17, 2025 | accessnewswire.comA

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ELVA, BLDP, NPWR, and BYRN Company Descriptions

Ballard Power Systems NASDAQ:BLDP

$1.79 -0.04 (-2.19%)

Closing price 08/1/2025 04:00 PM Eastern

Extended Trading

$1.81 +0.02 (+1.12%)

As of 08/1/2025 07:49 PM Eastern

Ballard Power Systems Inc. engages in the design, development, manufacture, sale, and service of proton exchange membrane (PEM) fuel cell products. The company offers its products for power product comprising for bus, truck, rail, marine, stationary, and emerging market, such as material handling, off-road, and other applications. It also engages in the delivery of services, including technology solutions, after sales services, and training; and provision of engineering services, product and systems integration services, and related technology transfer for a variety of PEM fuel cell applications. It operates in the United States, Germany, Canada, China, Poland, the United Kingdom, the Netherlands, France, Denmark, Belgium, India, Taiwan, Spain, Norway, Australia, Japan, and internationally. The company has a strategic alliance with Linamar Corporation for the co-development and sale of fuel cell powertrains and components for class 1 and 2 vehicles in North America and Europe. Ballard Power Systems Inc. was founded in 1979 and is headquartered in Burnaby, Canada.

Byrna Technologies NASDAQ:BYRN

$21.32 -0.89 (-4.01%)

Closing price 08/1/2025 04:00 PM Eastern

Extended Trading

$21.41 +0.09 (+0.42%)

As of 08/1/2025 07:24 PM Eastern

Byrna Technologies Inc., a non-lethal defense technology company, provides non-lethal alternative solutions for law enforcement and private security. The company offers handheld personal security devices and shoulder-fired launchers without the need for background check or firearm license; and projectiles including chemical irritant, kinetic, and inert rounds. It offers self-defense aerosol products under the Byran Bad Guy Repellent brand; and accessories and related safety products, which includes carbon dioxide canisters, sighting systems, and holster under the Byran Banshee and Byran Shield brand, as well as Byrna-branded apparel. In addition, the company provides the products to the consumer market through Byrna e-commerce store and Amazon storefront, and network of local, regional and national outdoor and sporting goods stores, either directly or through distributors; and professional security market through Train the Trainer program and de-escalation methods. It operates in the United States, South Africa, Europe, South America, Asia, and Canada. The company was formerly known as Security Devices International, Inc. and changed its name to Byrna Technologies Inc. in March 2020. Byrna Technologies Inc. was incorporated in 2005 and is headquartered in Andover, Massachusetts.

Electrovaya NASDAQ:ELVA

$4.86 -0.04 (-0.82%)

Closing price 08/1/2025 04:00 PM Eastern

Extended Trading

$4.86 0.00 (-0.10%)

As of 08/1/2025 07:50 PM Eastern

Electrovaya Inc. engages in the design, development, manufacture, and sale of lithium-ion batteries, battery management systems, and battery-related products for energy storage, clean electric transportation, and other specialized applications in North America. It offers lithium-ion batteries and systems for materials handling electric vehicles, including forklifts and automated guided vehicles, as well as battery chargers to charge the batteries; electromotive power products for electric trucks, electric buses, and other transportation applications; industrial products for energy storage; and power solutions, such as competencies in building systems for third parties. The company was formerly known as Electrofuel Inc. and changed its name to Electrovaya Inc. in March 2002. Electrovaya Inc. was incorporated in 1996 and is headquartered in Mississauga, Canada.

NET Power NYSE:NPWR

$2.63 -0.25 (-8.68%)

Closing price 08/1/2025 03:59 PM Eastern

Extended Trading

$2.63 0.00 (0.00%)

As of 08/1/2025 06:51 PM Eastern

NET Power Inc. operates as a clean energy technology company. The company invents, develops, and licenses clean power generation technology. NET Power Inc. was founded in 2010 and is headquartered in Durham, North Carolina.

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Comparative Price Performance Over Time