Company Profile

Protagenic Therapeutics Stock Price, News & Analysis

Ticker:
PTIX
Exchange:
NASDAQ
Sector:
Biopharma
Location:
United States

Stock performance

0.22 USD (-14.99%)

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Last updated: August 6, 2026

Market cap

Why the stock is moving

As of Aug 6, 2026, PTIX closed down 15.0% at $0.2200. No new same-company headline was identified in the current news window.

Company overview

Business overview

Protagenic Therapeutics is a biotechnology company focused on neuropsychiatric and stress-related disorders. Its story is built around the idea that peptide-based or related approaches can address difficult CNS conditions.

Geographic Base and Sector Classification

Protagenic is headquartered in the United States and listed on NASDAQ. It sits in small-cap neuroscience biotechnology.

Business Model Characteristics

The company depends on preclinical and early clinical validation, translational credibility, and capital support. Investors typically watch early data, pipeline prioritization, and whether the company can narrow its story into a viable CNS thesis.

Position Within the Biotechnology Landscape

Protagenic occupies a speculative neuroscience niche within biotech. It is a high-risk story where platform proof matters more than near-term commercial scale.

Future catalysts

Protagenic’s catalysts are neuropeptide and CNS programs, with any update that clarifies whether the company can still produce meaningful development progress. The stock needs a cleaner clinical path.

Recent news

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    Protagenic Therapeutics Upgrades from OTC Pink to OTCQB Venture Market

    Source: Protagenic Therapeutics

  5. 05

    Results from Phase 1 Multiple-Dose Study of PT00114

    Source: Protagenic Therapeutics

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Frequently Asked Questions

What is the current stock price of Protagenic Therapeutics (PTIX)?

Protagenic Therapeutics (PTIX) most recently closed at 0.22 USD, a -14.99% move versus the previous session.

What does Protagenic Therapeutics do?

Protagenic Therapeutics is a biotechnology company focused on neuropsychiatric and stress-related disorders. Its story is built around the idea that peptide-based or related approaches can address difficult CNS conditions.

On which exchange is PTIX stock listed?

Protagenic Therapeutics (PTIX) is associated with NASDAQ, United States, Biopharma.

What is Protagenic?

Protagenic’s catalysts are neuropeptide and CNS programs, with any update that clarifies whether the company can still produce meaningful development progress.

Which conditions is Protagenic Therapeutics targeting with Protagenic?

Protagenic’s catalysts are neuropeptide and CNS programs, with any update that clarifies whether the company can still produce meaningful development progress.

How does Protagenic Therapeutics describe recent progress with Protagenic?

Protagenic’s catalysts are neuropeptide and CNS programs, with any update that clarifies whether the company can still produce meaningful development progress.

What is Therapeutics?

Protagenic Therapeutics is a biotechnology company focused on neuropsychiatric and stress-related disorders.

What should investors watch for with Therapeutics?

Protagenic’s catalysts are neuropeptide and CNS programs, with any update that clarifies whether the company can still produce meaningful development progress. The stock needs a cleaner clinical path.