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Protagenic Therapeutics, Inc.

PTIX

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⚠ Showing the latest available close (Nov 3, 2026, 2 days ago). Our price provider hasn't published a newer EOD for this ticker yet. Price-dependent metrics (P/E, P/FCF, yield) may not reflect current market conditions.

Protagenic Therapeutics, Inc. (together with its subsidiary, Protagenic, the Company, we, our or us ) is a biopharmaceutical company focused on discovering and developing therapeutics for stress-related neuropsychiatric and mood disorders. Our proprietary, patent-protected, first-in-class lead compound, PT00114, is a synthetic form of Teneurin Carboxy-terminal Associated Peptide-1 ( TCAP-1 ).

Valuation & Multiples

Based on TTM earnings · Diluted shares

Market Cap$1M
EPS$1.43
P/E0.45
P/FCF-0.59
EV/EBITDA-0.14
FCF Yield–
Div. Yield–
Net Debt/FCF0.3x
Protagenic Therapeutics, Inc. intrinsic value
52-Week Range
$0.14$1.92

Profitability & Returns

Revenue (FY)

$0.00

Net Income (TTM)

$5M

▲ +138.1% YoY

Op. Margin

–

ROIC

-126.25%

▼ -13.2pp YoY

Cash Flow & Balance Sheet

FCF (TTM)

-$2M

▼ -58.9% YoY

Op. Cash Flow (TTM)

-$2M

▼ -58.7% YoY

Net Debt

-$566K

Net Cash Position

Cash & Equiv.

$566K

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Protagenic Therapeutics (PTIX) in three numbers

Quality score
20/100
Best check: net debt, -$565985. Weakest: return on capital, -126.2%.
Quality
Dividend
None
No dividend in the SEC filings we hold.
Dividends
P/E
0.45
Price to free cash flow -0.59.
Financials

Questions about Protagenic Therapeutics

Is Protagenic Therapeutics (PTIX) overvalued?

Protagenic Therapeutics trades at 0.45 times earnings. Intrinsiqq's fair value calculator has no opening value for PTIX, so weigh those multiples against the company's own history and the peers above. See how to tell if a stock is overvalued.

Is Protagenic Therapeutics a high-quality business?

Protagenic Therapeutics scores 20 out of 100 on Intrinsiqq's quality score, which makes it a lower-quality business on these measures. The score blends 5 checks computed from SEC filings. Its best check is net debt at -$565985, and its weakest is return on capital at -126.2%. The Quality tab shows every check against its target.

Does Protagenic Therapeutics (PTIX) pay a dividend?

No. Protagenic Therapeutics (PTIX) does not pay a dividend, and no dividend payment appears anywhere in the filing history we hold. Nor has its share count fallen meaningfully over the last twelve months, so cash is kept in the business. The Dividends tab shows its cash returns.

Source: 10-Q filed 19 Aug 2026 (period ending 30 Jun 2026), SEC. Price: last close 3 Nov 2026. How this is calculated. Sector medians are approximate S&P 500 benchmarks and update periodically. Analysis, not investment advice.

Spot a number that looks wrong? Check it in PTIX's SEC filings or

Download this analysis as a PDF (Pro)

Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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