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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.

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
$0.61
-3.5%
$0.60
$0.46
$1.72
$31.98M1.1698,703 shs55,961 shs
International Isotopes Inc. stock logo
INIS
International Isotopes
$0.07
+12.4%
$0.05
$0.03
$0.07
$35.79M0.7379,714 shs359,958 shs
Know Labs, Inc. stock logo
KNWN
Know Labs
$4.74
$0.02
$0.92
$9.00M1.51.03 million shs2,146 shs
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
$3.24
$3.24
$1.35
$3.28
$33.62M0.0335,078 shsN/A
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
-3.47%+0.66%+2.54%-26.42%-24.79%
International Isotopes Inc. stock logo
INIS
International Isotopes
+12.40%+33.86%+51.11%+27.10%+78.95%
Know Labs, Inc. stock logo
KNWN
Know Labs
0.00%0.00%0.00%0.00%-88.07%
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
0.00%0.00%0.00%0.00%0.00%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
1.9986 of 5 stars
3.53.00.00.01.10.80.6
International Isotopes Inc. stock logo
INIS
International Isotopes
N/AN/AN/AN/AN/AN/AN/AN/A
Know Labs, Inc. stock logo
KNWN
Know Labs
N/AN/AN/AN/AN/AN/AN/AN/A
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
N/AN/AN/AN/AN/AN/AN/AN/A
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
3.00
Buy$2.00227.87% Upside
International Isotopes Inc. stock logo
INIS
International Isotopes
0.00
N/AN/AN/A
Know Labs, Inc. stock logo
KNWN
Know Labs
0.00
N/AN/AN/A
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
0.00
N/AN/AN/A

Current Analyst Ratings Breakdown

Latest KNWN, CLIR, SRMC, and INIS Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
4/17/2025
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$6.00 ➝ $2.00
(Data available from 6/5/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
$2.90M11.05N/AN/A$0.13 per share4.69
International Isotopes Inc. stock logo
INIS
International Isotopes
$12.27M2.92N/AN/A$0.01 per share6.80
Know Labs, Inc. stock logo
KNWN
Know Labs
$4.36M0.00N/AN/A($0.02) per share0.00
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
$22.08M1.52$0.04 per share85.71$0.86 per share3.77
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
-$5.19M-$0.12N/A61.00N/A-118.93%-50.44%-41.41%8/18/2025 (Estimated)
International Isotopes Inc. stock logo
INIS
International Isotopes
-$870KN/A0.00N/A-2.63%-8.68%-2.09%8/12/2025 (Estimated)
Know Labs, Inc. stock logo
KNWN
Know Labs
-$16.58M-$0.20N/AN/AN/AN/AN/A-470.76%N/A
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
$170KN/A81.00N/A0.76%2.89%2.33%N/A

Latest KNWN, CLIR, SRMC, and INIS Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
4/2/2025Q4 2024
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
-$0.03-$0.02+$0.01-$0.02$1.55 million$0.60 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
N/AN/AN/AN/AN/A
International Isotopes Inc. stock logo
INIS
International Isotopes
N/AN/AN/AN/AN/A
Know Labs, Inc. stock logo
KNWN
Know Labs
N/AN/AN/AN/AN/A
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
$0.041.23%N/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
N/A
7.46
7.46
International Isotopes Inc. stock logo
INIS
International Isotopes
0.44
1.58
1.33
Know Labs, Inc. stock logo
KNWN
Know Labs
N/A
0.60
0.60
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
0.10
5.40
3.04

Institutional Ownership

CompanyInstitutional Ownership
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
24.03%
International Isotopes Inc. stock logo
INIS
International Isotopes
N/A
Know Labs, Inc. stock logo
KNWN
Know Labs
23.96%
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
N/A

Insider Ownership

CompanyInsider Ownership
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
16.90%
International Isotopes Inc. stock logo
INIS
International Isotopes
18.10%
Know Labs, Inc. stock logo
KNWN
Know Labs
15.40%
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
45.50%
CompanyEmployeesShares OutstandingFree FloatOptionable
ClearSign Technologies Co. stock logo
CLIR
ClearSign Technologies
1052.42 million41.74 millionOptionable
International Isotopes Inc. stock logo
INIS
International Isotopes
30526.39 million442.01 millionNot Optionable
Know Labs, Inc. stock logo
KNWN
Know Labs
20111.17 million94.05 millionNot Optionable
Sierra Monitor Co. stock logo
SRMC
Sierra Monitor
8210.38 millionN/ANot Optionable

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ClearSign Technologies stock logo

ClearSign Technologies NASDAQ:CLIR

$0.61 -0.02 (-3.47%)
As of 06/4/2025 03:50 PM Eastern

ClearSign Technologies Corporation designs and develops products and technologies to enhance emission and operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States, the People's Republic of China, and Hong Kong. The company's technologies include ClearSign core burner technology consists of an industrial burner body and a downstream porous ceramic or metal flame stabilizing structure; ClearSign core process burner technology that provides a direct burner replacement for traditional refinery process heaters; ClearSign core boiler burner technology; ClearSign core flaring burners that can be used individually, or in combination, to provide a flare product with extremely low nitrogen oxide emissions; and ClearSign eye flame sensor, an electrical flame sensor for industrial applications. It serves energy, institutional, commercial and industrial boiler, chemical, and petrochemical industries. The company was formerly known as ClearSign Combustion Corporation and changed its name ClearSign Technologies Corporation in November 2019. ClearSign Technologies Corporation was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.

International Isotopes stock logo

International Isotopes OTCMKTS:INIS

$0.07 +0.01 (+12.40%)
As of 06/4/2025 02:41 PM Eastern

International Isotopes Inc. manufactures and sells nuclear medicine calibration and reference standards, cobalt-60 products, and radiopharmaceutical and radiochemical contract manufacturing services in the United States and internationally. It operates through four segments: Nuclear Medicine Standards, Cobalt Products, Radiochemical Products, and Fluorine Products. The Nuclear Medicine Standards segment manufactures sources and standards associated with single photon emission computed and positron emission tomography imaging, patient positioning, and calibration or operational testing of dose measuring equipment for the nuclear pharmacy industry. This segment also offers flood sources, dose calibrators, rod sources, flexible and rigid rulers, spot and pen point markers, and various specialty design items. The Cobalt Products segment produces bulk cobalt; fabricates cobalt capsules for radiation therapy and various industrial applications; and recycles expended cobalt sources. The Radiochemical Products segment produces and distributes various isotopically pure radiochemicals and sodium iodide I-131 generic drug product for medical, industrial, and research applications. The Fluorine Products segment is involved in the production of small-scale qualification samples of high purity fluoride gas for various industrial applications, as well as development of laboratory and analytical processes required to support the planned uranium de-conversion and fluorine extraction facility. The company sells its products directly to end users and distributors. International Isotopes Inc. was incorporated in 1995 and is headquartered in Idaho Falls, Idaho.

Know Labs stock logo

Know Labs OTCMKTS:KNWN

Know Labs, Inc. focuses on the development and commercialization of proprietary technologies in the United States. Its technology uses spectroscopy to direct electromagnetic energy through a substance or material to capture a molecular signature. The company refers to its technology as Bio-RFID. The Bio-RFID technology can be integrated into various wearable, mobile, or bench-top form factors. Its first application of Bio-RFID technology is a product marketed as a glucose monitor that provide the user with real time information on their blood glucose levels. The company was formerly known as Visualant, Incorporated and changed its name to Know Labs, Inc. in May 2018. Know Labs, Inc. was founded in 1998 and is headquartered in Seattle, Washington.

Sierra Monitor stock logo

Sierra Monitor OTCMKTS:SRMC

$3.24 0.00 (0.00%)
As of 06/14/2019

Sierra Monitor Corporation provides industrial Internet of things solutions that connect and protect infrastructure assets to the industrial and commercial facilities management market in the United States and internationally. It offers FieldServer family of protocol gateways, routers, and network explorers for system integrators and original equipment manufacturers to enable local and remote monitoring and control of assets and facilities; and Sentry IT flame and gas detection solutions used by industrial and commercial facilities managers to protect their personnel and assets. The company sells its solutions to telecommunication companies and their suppliers. Sierra Monitor Corporation was founded in 1978 and is headquartered in Milpitas, California.