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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	$1.73 -3.9%	$1.73	$1.00 ▼ $2.28	$518.78M	1.76	8.88 million shs	5.85 million shs
BYRN Byrna Technologies	$20.95 -2.1%	$26.88	$9.92 ▼ $34.78	$475.57M	2.07	594,237 shs	391,817 shs
NVX NOVONIX	$1.37 -1.1%	$1.21	$0.81 ▼ $2.73	$218.27M	2.61	151,619 shs	167,115 shs
PLUG Plug Power	$1.54 -2.5%	$1.42	$0.69 ▼ $3.32	$1.77B	2.35	88.13 million shs	73.83 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	-0.28%	-2.45%	-4.01%	+29.14%	-6.99%
BYRN Byrna Technologies	+1.13%	-2.15%	-6.88%	-13.26%	+112.62%
NVX NOVONIX	+17.37%	+12.60%	+25.91%	-0.36%	-10.65%
PLUG Plug Power	+5.63%	+10.00%	-1.54%	+96.50%	-19.04%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	ESG Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
BLDP Ballard Power Systems	2.5052 of 5 stars	3.9	2.0	0.0	1.9	0.0	1.3
BYRN Byrna Technologies	2.6455 of 5 stars	3.6	1.0	0.0	3.0	0.0	1.9
NVX NOVONIX	0.5889 of 5 stars	0.0	4.0	0.0	1.1	1.7	0.0
PLUG Plug Power	4.0559 of 5 stars	3.0	2.0	3.6	2.8	2.5	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	$2.15	24.48% Upside
BYRN Byrna Technologies	3.20	Buy	$38.75	84.96% Upside
NVX NOVONIX	0.00	N/A	N/A	N/A
PLUG Plug Power	1.94	Reduce	$1.84	19.63% Upside

Current Analyst Ratings Breakdown

Latest NVX, PLUG, BYRN, and BLDP Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
8/12/2025	BLDP Ballard Power Systems	BMO Capital Markets Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Underperform ➝ Underperform	$1.00 ➝ $1.10
8/12/2025	PLUG Plug Power	BMO Capital Markets Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Underperform ➝ Underperform	$1.10 ➝ $1.00
8/11/2025	BLDP Ballard Power Systems	Roth Capital Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Neutral ➝ Neutral	$1.25 ➝ $1.80
8/11/2025	BLDP Ballard Power Systems	Lake Street Capital Subscribe to MarketBeat All Access for the recommendation accuracy rating	Downgrade	Buy ➝ Hold
7/23/2025	PLUG Plug Power	Jefferies Financial Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Hold ➝ Hold	$0.90 ➝ $1.60
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
7/21/2025	PLUG Plug Power	Susquehanna Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Neutral ➝ Neutral	$1.00 ➝ $1.80
7/16/2025	BYRN Byrna Technologies	Craig Hallum Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Buy	$39.00
7/15/2025	PLUG Plug Power	Evercore ISI Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Strong Sell
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

(Data available from 8/12/2022 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	$69.73M	7.44	N/A	N/A	$2.25 per share	0.77
BYRN Byrna Technologies	$85.76M	5.55	$0.38 per share	55.63	$2.39 per share	8.77
NVX NOVONIX	$5.85M	37.31	N/A	N/A	$0.88 per share	1.56
PLUG Plug Power	$628.81M	2.81	N/A	N/A	$1.98 per share	0.78

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%	N/A
BYRN Byrna Technologies	$12.79M	$0.62	33.79	55.13	N/A	14.28%	16.96%	13.10%	10/8/2025 (Estimated)
NVX NOVONIX	-$74.82M	N/A	0.00	N/A	N/A	N/A	N/A	N/A	8/20/2025 (Estimated)
PLUG Plug Power	-$2.10B	-$2.47	N/A	N/A	N/A	-312.29%	-82.21%	-47.92%	N/A

Latest NVX, PLUG, BYRN, and BLDP Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/11/2025	Q2 2025	BLDP Ballard Power Systems	-$0.10	-$0.0808	+$0.0192	-$0.08	$17.94 million	$17.98 million
8/11/2025	Q2 2025	PLUG Plug Power	-$0.15	-$0.16	-$0.01	-$0.20	$157.97 million	$173.97 million
7/10/2025	Q2 2025	BYRN Byrna Technologies	$0.03	$0.10	+$0.07	$0.10	$28.47 million	$28,505.00 billion
5/12/2025	Q1 2025	PLUG Plug Power	-$0.20	-$0.21	-$0.01	-$0.21	$130.92 million	$133.67 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
NVX NOVONIX	N/A	N/A	N/A	N/A	N/A
PLUG Plug 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
NVX NOVONIX	0.29	1.24	1.21
PLUG Plug Power	0.27	1.95	1.07

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
BLDP Ballard Power Systems	28.02%
BYRN Byrna Technologies	25.46%
NVX NOVONIX	0.06%
PLUG Plug Power	43.48%

Insider Ownership

Company	Insider Ownership
BLDP Ballard Power Systems	0.16%
BYRN Byrna Technologies	9.75%
NVX NOVONIX	23.70%
PLUG Plug Power	1.41%

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
NVX NOVONIX	N/A	159.32 million	121.56 million	Not Optionable
PLUG Plug Power	3,224	1.15 billion	1.13 billion	Optionable

NVX, PLUG, BYRN, and BLDP Headlines

Recent News About These Companies

Plug Power Reports Strong Q2 2025 Financial Results

2 hours ago | msn.com

ACHR, OKLO, PLUG: Here’s the Best Low-Risk, High-Reward Trade After Earnings

2 hours ago | msn.com

Plug Power CEO Says His Company is Square With Trump administration

2 hours ago | msn.com

BMO Capital Markets Has Lowered Expectations for Plug Power (NASDAQ:PLUG) Stock Price

August 12 at 11:36 AM | marketbeat.com

Plug Power (NASDAQ:PLUG) Shares Down 9.2% Following Weak Earnings

August 12 at 11:21 AM | marketbeat.com

Plug Power (NASDAQ:PLUG) Trading Down 6.6% After Earnings Miss

August 12 at 10:52 AM | marketbeat.com

Plug Power Lifts Q2 Revenue 21% as Electrolyzer Sales Triple

August 12 at 6:38 AM | oilprice.comO

Virtu Financial LLC Raises Position in Plug Power, Inc. (NASDAQ:PLUG)

August 12 at 4:58 AM | marketbeat.com

Plug Power: Q2 Earnings Snapshot

August 12 at 2:37 AM | dailygazette.comD

PPL, Intel, Plug Power, Nvidia, Johnson Controls: What Sparked Heavy After-Hours Trading In These 5 Stocks?

August 12 at 2:37 AM | msn.com

Plug Power’s (NASDAQ:PLUG) Q2 Sales Beat Estimates But Stock Drops

August 12 at 2:37 AM | finance.yahoo.com

Plug Power targets $700M 2025 revenue with improved margins through Project Quantum Leap

August 12 at 2:37 AM | msn.com

Plug Power (NASDAQ:PLUG) Posts Quarterly Earnings Results, Misses Estimates By $0.01 EPS

August 11 at 10:43 PM | marketbeat.com

Plug Power Inc. (PLUG) Q2 2025 Earnings Call Transcript

August 11 at 10:05 PM | seekingalpha.com

Compared to Estimates, Plug Power (PLUG) Q2 Earnings: A Look at Key Metrics

August 11 at 8:31 PM | zacks.com

Plug Power (PLUG) Reports Q2 Loss, Beats Revenue Estimates

August 11 at 8:01 PM | zacks.com

Plug Power (NASDAQ:PLUG) Shares Up 4.3% - Still a Buy?

August 11 at 4:34 PM | marketbeat.com

Plug Power Stock Sinks After Q2 Mixed Results: Details

August 11 at 4:33 PM | benzinga.com

Plug Power Second Quarter 2025 Highlights

August 11 at 4:01 PM | globenewswire.com

Dear Plug Power Stock Fans, Mark Your Calendars for August 11

August 10 at 1:54 PM | msn.com

Penny Stock Plug Power (PLUG) Is About to Report Q2 Earnings Tomorrow. Here Is What to Expect

August 10 at 8:52 AM | msn.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

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NVX, PLUG, BYRN, and BLDP Company Descriptions

Ballard Power Systems NASDAQ:BLDP

$1.73 -0.07 (-3.89%)

Closing price 04:00 PM Eastern

Extended Trading

$1.76 +0.03 (+1.73%)

As of 05:34 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

$20.95 -0.44 (-2.06%)

Closing price 04:00 PM Eastern

Extended Trading

$21.13 +0.18 (+0.86%)

As of 05:17 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.

NOVONIX NASDAQ:NVX

$1.37 -0.02 (-1.08%)

Closing price 04:00 PM Eastern

Extended Trading

$1.36 -0.01 (-0.36%)

As of 04:46 PM Eastern

NOVONIX Limited provides battery materials and development technology for battery manufacturers, materials companies, automotive original equipment manufacturers (OEMs), and consumer electronics manufacturers in North America, Asia, Australia, and Europe. It operates through Battery Materials and Battery Technology segments. The Battery Materials segment develops and manufactures battery anode materials. The Battery Technology segment develops battery cell testing equipment, performs consulting services, and carries out research and development in battery development. The company is involved in the investment and real estate borrowing activities; and offers battery technology, battery testing hardware equipment, and battery testing and development consulting services. The company was formerly known as Graphitecorp Limited and changed its name to NOVONIX Limited in July 2017. NOVONIX Limited was incorporated in 2012 and is based in Brisbane, Australia.

Plug Power NASDAQ:PLUG

$1.54 -0.04 (-2.53%)

Closing price 04:00 PM Eastern

Extended Trading

$1.54 -0.01 (-0.32%)

As of 05:38 PM Eastern

Plug Power Inc. develops hydrogen and fuel cell product solutions in North America, Europe, Asia, and internationally. The company offers GenDrive, a hydrogen-fueled proton exchange membrane (PEM) fuel cell system that provides power to material handling electric vehicles; GenSure, a stationary fuel cell solution that offers modular PEM fuel cell power to support the backup and grid-support power requirements of the telecommunications, transportation, and utility sectors; ProGen, a fuel cell stack and engine technology used in mobility and stationary fuel cell systems, and as engines in electric delivery vans; GenFuel, a liquid hydrogen fueling delivery, generation, storage, and dispensing system; GenCare, an ongoing Internet of Things-based maintenance and on-site service program for GenDrive fuel cell systems, GenSure fuel cell systems, GenFuel hydrogen storage and dispensing products, and ProGen fuel cell engines; and GenKey, an integrated turn-key solution for transitioning to fuel cell power. It also provides electrolyzers, a hydrogen generator for clean hydrogen production; liquefaction systems that provides liquid hydrogen to customers; cryogenic equipment for the distribution of liquified hydrogen, oxygen, argon, nitrogen and other cryogenic gases, including trailers and mobile storage equipment; and liquid hydrogen, an alternative fuel to fossil-based energy. The company sells its products through a direct product sales force, original equipment manufacturers, and dealer networks. Plug Power Inc. was incorporated in 1997 and is headquartered in Latham, New York.

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Comparative Price Performance Over Time