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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
electroCore, Inc. stock logo
ECOR
electroCore
$5.24
-0.8%
$5.61
$4.47
$19.49
$39.18M0.899,406 shs48,176 shs
Fonar Corporation stock logo
FONR
Fonar
$15.62
+4.4%
$13.64
$12.00
$18.68
$92.80M117,263 shs55,571 shs
IRIDEX Corporation stock logo
IRIX
IRIDEX
$0.89
+0.9%
$1.03
$0.78
$2.41
$14.81M0.5751,906 shs24,271 shs
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
$3.41
-2.8%
$3.84
$2.90
$179.20
$2.59M-0.18141,465 shs14,553 shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
electroCore, Inc. stock logo
ECOR
electroCore
-3.12%+2.92%+3.94%-14.70%-17.88%
Fonar Corporation stock logo
FONR
Fonar
+0.54%+6.02%+3.89%+10.32%-6.50%
IRIDEX Corporation stock logo
IRIX
IRIDEX
+0.22%-7.36%-10.01%-10.99%-59.17%
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
-1.96%+7.34%+2.03%-11.76%-99.96%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
electroCore, Inc. stock logo
ECOR
electroCore
2.7506 of 5 stars
3.53.00.00.01.62.50.6
Fonar Corporation stock logo
FONR
Fonar
1.7549 of 5 stars
0.03.00.00.03.30.81.9
IRIDEX Corporation stock logo
IRIX
IRIDEX
0.7128 of 5 stars
0.04.00.00.01.91.70.0
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
3.1567 of 5 stars
3.55.00.00.02.20.01.3
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
electroCore, Inc. stock logo
ECOR
electroCore
3.00
Buy$25.50386.64% Upside
Fonar Corporation stock logo
FONR
Fonar
0.00
N/AN/AN/A
IRIDEX Corporation stock logo
IRIX
IRIDEX
0.00
N/AN/AN/A
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
3.00
Buy$50.001,366.28% Upside

Current Analyst Ratings Breakdown

Latest ECOR, NDRA, IRIX, and FONR Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
4/21/2025
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
Ascendiant Capital Markets
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$75.00 ➝ $50.00
(Data available from 7/1/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
electroCore, Inc. stock logo
ECOR
electroCore
$25.18M1.54N/AN/A$1.13 per share4.64
Fonar Corporation stock logo
FONR
Fonar
$102.88M0.94$3.21 per share4.86$24.78 per share0.63
IRIDEX Corporation stock logo
IRIX
IRIDEX
$48.67M0.31N/AN/A$0.13 per share6.85
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
N/AN/AN/AN/A$4.77 per shareN/A
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
electroCore, Inc. stock logo
ECOR
electroCore
-$11.89M-$1.56N/AN/AN/A-46.24%-149.04%-61.24%8/6/2025 (Estimated)
Fonar Corporation stock logo
FONR
Fonar
$10.57M$1.2512.50N/A8.19%5.31%3.97%N/A
IRIDEX Corporation stock logo
IRIX
IRIDEX
-$8.91M-$0.43N/AN/A-14.61%-290.57%-22.86%8/6/2025 (Estimated)
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
-$11.51M-$172.04N/AN/AN/AN/A-140.96%-106.14%8/13/2025 (Estimated)

Latest ECOR, NDRA, IRIX, and FONR Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/15/2025Q3 2025
Fonar Corporation stock logo
FONR
Fonar
N/A$0.37N/A$0.37N/AN/A
5/13/2025Q1 2025
IRIDEX Corporation stock logo
IRIX
IRIDEX
-$0.10-$0.10N/A-$0.10$12.10 million$11.90 million
5/7/2025Q1 2025
electroCore, Inc. stock logo
ECOR
electroCore
-$0.56-$0.47+$0.09-$0.47$6.93 million$6.72 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
electroCore, Inc. stock logo
ECOR
electroCore
N/AN/AN/AN/AN/A
Fonar Corporation stock logo
FONR
Fonar
N/AN/AN/AN/AN/A
IRIDEX Corporation stock logo
IRIX
IRIDEX
N/AN/AN/AN/AN/A
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
electroCore, Inc. stock logo
ECOR
electroCore
N/A
1.52
1.30
Fonar Corporation stock logo
FONR
Fonar
N/A
10.05
9.86
IRIDEX Corporation stock logo
IRIX
IRIDEX
4.28
1.95
1.27
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
N/A
3.85
3.85

Institutional Ownership

CompanyInstitutional Ownership
electroCore, Inc. stock logo
ECOR
electroCore
26.74%
Fonar Corporation stock logo
FONR
Fonar
50.64%
IRIDEX Corporation stock logo
IRIX
IRIDEX
20.10%
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
1.19%

Insider Ownership

CompanyInsider Ownership
electroCore, Inc. stock logo
ECOR
electroCore
19.70%
Fonar Corporation stock logo
FONR
Fonar
1.55%
IRIDEX Corporation stock logo
IRIX
IRIDEX
7.40%
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
0.04%
CompanyEmployeesShares OutstandingFree FloatOptionable
electroCore, Inc. stock logo
ECOR
electroCore
507.42 million5.96 millionNot Optionable
Fonar Corporation stock logo
FONR
Fonar
4806.20 million6.11 millionNot Optionable
IRIDEX Corporation stock logo
IRIX
IRIDEX
12016.79 million15.55 millionOptionable
ENDRA Life Sciences Inc. stock logo
NDRA
ENDRA Life Sciences
20740,000738,000Not Optionable

Recent News About These Companies

ENDRA Life Sciences Inc. (NDRA) - Yahoo Finance
ENDRA Life Sciences Inc Registered Shs NDRA
ENDRA Life Sciences Reports Q3 2024 Results and Progress
ENDRA Life Sciences Inc trading halted, news pending
Endra activates TAEUS system to initiate clinical study at LMU in Germany
Why ENDRA Life Sciences (NDRA) Stock Is Up 140%

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

View All Headlines
electroCore stock logo

electroCore NASDAQ:ECOR

$5.24 -0.04 (-0.76%)
Closing price 04:00 PM Eastern
Extended Trading
$5.33 +0.09 (+1.70%)
As of 05:41 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

electroCore, Inc., a commercial stage bioelectronic medicine and wellness company, provides non-invasive vagus nerve stimulation technology platform in the United States, the United Kingdom, and internationally. The company is developing gammaCore, a prescription only handheld device intended for regular or intermittent use for the acute treatment of pain associated with migraine and episodic cluster headache, as well as for the treatment of hemicrania continua and paroxysmal hemicrania. It also develops Truvaga for the support of general health and wellbeing; and TAC-STIM for human performance. In addition, the company offers gammacore Sapphire, a portable, reusable, rechargeable, and reloadable prescription medical device for various primary headache conditions. electroCore, Inc. was incorporated in 2005 and is headquartered in Rockaway, New Jersey.

Fonar stock logo

Fonar NASDAQ:FONR

$15.62 +0.66 (+4.41%)
Closing price 04:00 PM Eastern
Extended Trading
$15.50 -0.13 (-0.80%)
As of 04:04 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

FONAR Corporation, together with its subsidiaries, engages in the research, development, production, and marketing of magnetic resonance imaging (MRI) scanners for the detection and diagnosis of human diseases in the United States. The company operates in two segments, Medical Equipment, and Physician Management and Diagnostic Services. It provides Upright MRI scanner that allows patients to be scanned in weight-bearing conditions, such as standing, sitting, bending, or lying down. The company also offers non-medical management, including administrative services, billing and collection services, credentialing services, contract negotiations, compliance consulting, purchasing IT services, hiring, conducting interviews, training, supervision and management of non-medical personnel, storage of medical records, office space, equipment, repair maintenance services, accounting, assistance with compliance matters, and development and implementation of practice growth and marketing strategies. It owns and operates diagnostic imaging facilities in Florida; and manages MRI scanning facilities. The company markets its scanners to private diagnostic imaging centers and hospital outpatient imaging facilities. FONAR Corporation was founded in 1970 and is based in Melville, New York.

IRIDEX stock logo

IRIDEX NASDAQ:IRIX

$0.89 +0.01 (+0.93%)
Closing price 04:00 PM Eastern
Extended Trading
$0.89 +0.00 (+0.33%)
As of 04:04 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

IRIDEX Corporation, an ophthalmic medical technology company, provides therapeutic based laser systems, delivery devices, and consumable instrumentation to treat sight-threatening eye diseases in ophthalmology. It offers laser consoles, such as Cyclo G6 laser system for use in the treatment of glaucoma; IQ 532 and IQ 577 laser systems, which are used for the treatment of retinal disorders; and OcuLight TX, OcuLight SL, OcuLight SLx, OcuLight GL, and OcuLight GLx laser photocoagulation systems that are used to treat proliferative diabetic retinopathy, macular holes, retinal tears, and detachments. The company also provides delivery devices, including TxCell scanning laser delivery system that allows the physician to perform multi-spot pattern scanning; slit lamp adapter, which allows the physician to utilize a standard slit lamp in diagnosis and treatment procedures; and laser indirect ophthalmoscope for use in procedures to treat peripheral retinal disorders. It offers MicroPulse P3 Probe, which is used with its Cylco G6 laser system to perform MicroPulse transscleral laser therapy; G-Probe, which is used in procedures to treat uncontrolled glaucoma; G-Probe and G-Probe Illuminate, which are used in procedures to treat refractory glaucoma; and EndoProbe family of products for use in vitrectomy procedures. The company serves ophthalmologists, research and teaching hospitals, government installations, surgical centers, hospitals, veterinary practices, and office clinics. It markets its products through direct and independent sales force in the United States, as well as through independent distributors internationally. The company was formerly known as IRIS Medical Instruments, Inc. and changed its name to IRIDEX Corporation in November 1995. IRIDEX Corporation was incorporated in 1989 and is headquartered in Mountain View, California.

ENDRA Life Sciences stock logo

ENDRA Life Sciences NASDAQ:NDRA

$3.41 -0.10 (-2.85%)
Closing price 03:59 PM Eastern
Extended Trading
$3.42 +0.00 (+0.15%)
As of 07:20 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

ENDRA Life Sciences Inc. develops technologies to improve the capabilities of clinical diagnostic ultrasound. The company is developing thermo-acoustic enhanced ultrasound technology that uses radio frequency pulses to generate ultrasonic waves in tissue to create high-contrast images for use in the treatment of nonalcoholic fatty liver disease, as well as in tissue composition, temperature monitoring, vascular imaging, and tissue perfusion. It has a collaborative research agreement with General Electric Company. ENDRA Life Sciences Inc. was incorporated in 2007 and is based in Ann Arbor, Michigan.