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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
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
$0.00
$0.00
$0.16
$73K-0.0760,924 shsN/A
Hero Technologies Inc. stock logo
HENC
Hero Technologies
$0.00
$0.00
$0.01
N/A1.35763 shsN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
$0.00
$0.00
$0.00
$0.13
$50K1.717,495 shs2,377 shs
Optec International, Inc. stock logo
OPTI
Optec International
$0.00
-21.1%
$0.00
$0.00
$0.00
$17KN/A1.07 million shs2.55 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
0.00%0.00%0.00%0.00%+200.00%
Hero Technologies Inc. stock logo
HENC
Hero Technologies
0.00%0.00%0.00%0.00%0.00%
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
0.00%0.00%0.00%-28.57%-50.00%
Optec International, Inc. stock logo
OPTI
Optec International
0.00%-6.25%+15.38%-21.05%+50.00%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
N/AN/AN/AN/AN/AN/AN/AN/A
Hero Technologies Inc. stock logo
HENC
Hero Technologies
N/AN/AN/AN/AN/AN/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
N/AN/AN/AN/AN/AN/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
N/AN/AN/AN/AN/AN/AN/AN/A
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
0.00
N/AN/AN/A
Hero Technologies Inc. stock logo
HENC
Hero Technologies
0.00
N/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
0.00
N/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
0.00
N/AN/AN/A
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
$2.66M0.00N/AN/AN/ANaN
Hero Technologies Inc. stock logo
HENC
Hero Technologies
N/AN/AN/AN/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
$8.13K6.16N/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
N/AN/AN/AN/AN/AN/A
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
-$33.33MN/A0.00N/AN/AN/AN/AN/AN/A
Hero Technologies Inc. stock logo
HENC
Hero Technologies
-$540KN/A0.00N/AN/AN/AN/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
-$15.18MN/A0.00N/AN/AN/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
N/AN/A0.00N/AN/AN/AN/AN/A
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
N/AN/AN/AN/AN/A
Hero Technologies Inc. stock logo
HENC
Hero Technologies
N/AN/AN/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
N/AN/AN/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
N/AN/AN/AN/AN/A
CompanyEmployeesShares OutstandingFree FloatOptionable
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
15122.06 million79.09 millionNot Optionable
Hero Technologies Inc. stock logo
HENC
Hero Technologies
1456.69 million455.73 millionNot Optionable
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
10100.08 million56.37 millionOptionable
Optec International, Inc. stock logo
OPTI
Optec International
111.65 millionN/ANot Optionable

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Generex Biotechnology stock logo

Generex Biotechnology OTCMKTS:GNBT

Generex Biotechnology Corporation, through its subsidiaries, engages in the administration of formulations of large molecule drugs to the oral cavity using a hand-held aerosol applicator in Canada and the United States. It offers Generex Oral-lyn, an oral insulin product. The company is also developing AE37, a synthetic peptide vaccine, which has completed Phase IIb clinical trial to stimulate a potent and specific immune response against tumors expressing the HER-2/neu oncogene in patients with breast cancer and prostate cancer. In addition, it develops, manufactures, and distributes rapid point-of-care in-vitro medical diagnostics for infectious diseases, such as human immunodeficiency virus, tuberculosis, malaria, hepatitis B, hepatitis C, syphilis, and others; and test kits and cassettes for testing infectious diseases, as well as Excellagen, a wound conforming gel. Further, the company is developing immunotherapeutic products and vaccines; and extracellular matrix hydrogel solution, a tissue engineered therapy for the treatment of Ulcerative Colitis. Additionally, it manufactures and sells foot and ankle surgical kits that include plates, screws, and tools; and distributes surgical supplies, orthopedic implants, artificial joints, and biologics, medical devices, and regenerative medicine products. It also serves as the general partner of the Management Services Organization. Generex Biotechnology Corporation was founded in 1983 and is headquartered in Miramar, Florida. On April 23, 2022, an involuntary petition for liquidation under Chapter 7 was filed against Generex Biotechnology Corporation in the U.S. Bankruptcy Court for the Southern District of Florida. On June 6, 2022, the involuntary petition was approved by the Court.

Hero Technologies stock logo

Hero Technologies OTCMKTS:HENC

Hero Technologies Inc. operates as an early-stage cannabis company. It focuses on the provision of BlackBox, an aeroponic cannabis cultivation system that provides optimal growing conditions to enhance photosynthesis and the cultivation of large flowering plants and create increased harvest efficiencies. The company also intends to offer cannabis genetic engineering farmland for medical and recreational cannabis cultivation, production, distribution, packaging, and retail operations, as well as for dispensaries. The company is based in Dover, Delaware.

Navidea Biopharmaceuticals stock logo

Navidea Biopharmaceuticals NYSE:NAVB

$0.0005 0.00 (0.00%)
As of 08/29/2025 01:43 PM Eastern

Navidea Biopharmaceuticals, Inc., a biopharmaceutical company, focuses on the development and commercialization of precision immunodiagnostic agents and immunotherapeutics. It operates in two segments, Diagnostic Substances and Therapeutic Development Programs. The company develops Manocept platform to target the CD206 mannose receptor expressed on activated macrophages for a range of diagnostic modalities, including single photon emission computed tomography, positron emission tomography (PET), gamma-scanning, and intra-operative and/or optical-fluorescence detection, as well as delivery of therapeutic compounds that target macrophages, and immune-and inflammation-involved diseases. It develops NAV3-31, which has completed Phase IIb clinical trials for evaluating imaging repeatability, reproducibility, and stability, as well as the capacity of Tc99m tilmanocept imaging for treatment of anti-tumor necrosis factor alpha therapy in patients with moderate to severe rheumatoid arthritis (RA); NAV3-35 that is in a Phase IIb clinical trial for RA imaging; NAV3-33, which is in Phase III clinical trial for RA; and NAV3-32, which is Phase 2b trial for RA-involved joints. The company is also developing Tc99m tilmanocept for cardiovascular, kaposi's sarcoma, tuberculosis, and other immunotherapeutic applications. The company was formerly known as Neoprobe Corporation and changed its name to Navidea Biopharmaceuticals, Inc. in January 2012. Navidea Biopharmaceuticals, Inc. was incorporated in 1983 and is headquartered in Dublin, Ohio.

Optec International stock logo

Optec International OTCMKTS:OPTI

$0.0015 0.00 (-21.05%)
As of 08/29/2025 03:41 PM Eastern

Optec International, Inc. engages in selling and marketing optimized fuel maximizer units in North America and internationally. It markets optimized fuel maximizer for passenger vehicles, intermediate/medium duty trucks, off-road equipment, generator systems, heavy duty diesel on-road vehicles, and transportation refrigeration units. The company was formerly known as Green Meadow Products, Inc. and changed its name to Optec International, Inc. in August 2017. Optec International, Inc. was founded in 2012 and is based in Carlsbad, California.