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PTIX

Protagenic Therapeutics, Inc.

Healthcare · USD

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Price alert · PTIX

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0.64 USD -0.01 -1.53%
As of Oct 30, 2026 Extended hours 0.50 -21.63%
Bid
0.74 × 1,000
Ask
0.75 × 2,800
0.6379 Day range 0.6379
0.128 52-week range 2.57
YTD
-50.93%
1 year
-74.17%
Open
0.6379
Prev close
0.6478
Mkt cap
1.15M
Vol
118
Avg vol
11.92K
EPS
2.23
P/E
0.29
Div yield
0.00%
More statistics
Low
0.6379
High
0.6379
Forward P/E
-0.92
Beta
0.25
Short ratio
1.33
Inst. own
5.77%
Dividend
0.00
Ex-div date
Earnings
Aug 14, 2023
50-d avg
0.6005
200-d avg
0.916195
1y target
0.00

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Financial health

Altman Z-Score

-9.26 Distress zone

Bankruptcy-risk model: below 1.81 distress, above 2.99 safe.

Piotroski F-Score

5 / 9 Average

Nine pass/fail tests of profitability, leverage and efficiency.

FMP rating

A-4 / 5 overall

  • DCF 1
  • Return on Equity 5
  • Return on Assets 5
  • Debt / Equity 1
  • P/E 4
  • P/B 5

Valuation

P/E -0.4×
FY 2016: -73.6×FY 2017: -144×FY 2018: -127×FY 2019: -183×FY 2020: -127×FY 2021: -62.5×FY 2022: -27.3×FY 2023: -12.1×FY 2024: -6.1×FY 2025: -0.4×
FY 2016 5y median -12.1× FY 2025
P/S 0.0×
FY 2016: 0.0×FY 2017: 0.0×FY 2018: 0.0×FY 2019: 0.0×FY 2020: 0.0×FY 2021: 0.0×FY 2022: 0.0×FY 2023: 0.0×FY 2024: 0.0×FY 2025: 0.0×
FY 2016 5y median 0.0× FY 2025
P/B -1.1×
FY 2016: 67.8×FY 2017: 266×FY 2018: -1539×FY 2019: -512×FY 2020: -285×FY 2021: 28.7×FY 2022: 14.0×FY 2023: 16.4×FY 2024: 33.2×FY 2025: -1.1×
FY 2016 5y median 16.4× FY 2025
P/FCF -0.6×
FY 2016: -147×FY 2017: -235×FY 2018: -303×FY 2019: -665×FY 2020: -243×FY 2021: -102×FY 2022: -48.5×FY 2023: -15.6×FY 2024: -8.0×FY 2025: -0.6×
FY 2016 5y median -15.6× FY 2025
EV/EBITDA -0.5×
FY 2016: -72.7×FY 2017: -137×FY 2018: -140×FY 2019: -155×FY 2020: -129×FY 2021: -69.0×FY 2022: -28.3×FY 2023: -13.1×FY 2024: -5.8×FY 2025: -0.5×
FY 2016 5y median -13.1× FY 2025
EV/Sales 0.0×
FY 2016: 0.0×FY 2017: 0.0×FY 2018: 0.0×FY 2019: 0.0×FY 2020: 0.0×FY 2021: 0.0×FY 2022: 0.0×FY 2023: 0.0×FY 2024: 0.0×FY 2025: 0.0×
FY 2016 5y median 0.0× FY 2025
FCF Yield -164.6%
FY 2016: -0.7%FY 2017: -0.4%FY 2018: -0.3%FY 2019: -0.2%FY 2020: -0.4%FY 2021: -1.0%FY 2022: -2.1%FY 2023: -6.4%FY 2024: -12.5%FY 2025: -164.6%
FY 2016 5y median -6.4% FY 2025

Profitability

Gross Margin 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025
Operating Margin 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025
Net Margin 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025
ROE 215.5%
FY 2016: -91.9%FY 2017: -185.4%FY 2018: 1213.0%FY 2019: 276.0%FY 2020: 221.7%FY 2021: -45.5%FY 2022: -51.4%FY 2023: -136.3%FY 2024: -545.3%FY 2025: 215.5%
FY 2016 5y median -51.4% FY 2025
ROIC 379.7%
FY 2016: -90.2%FY 2017: -194.0%FY 2018: 1097.3%FY 2019: 587.6%FY 2020: -1139.0%FY 2021: -40.3%FY 2022: -49.0%FY 2023: -123.4%FY 2024: -562.7%FY 2025: 379.7%
FY 2016 5y median -49.0% FY 2025
ROA -241.8%
FY 2016: -72.0%FY 2017: -126.9%FY 2018: -367.1%FY 2019: -207.9%FY 2020: -289.9%FY 2021: -40.9%FY 2022: -44.2%FY 2023: -115.7%FY 2024: -282.5%FY 2025: -241.8%
FY 2016 5y median -115.7% FY 2025

Growth (YoY)

Revenue 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 FY 2025
Operating Income -2.3%
FY 2016: -355.0%FY 2017: -5.9%FY 2018: 2.2%FY 2019: 9.9%FY 2020: -22.3%FY 2021: -62.2%FY 2022: 14.1%FY 2023: -27.2%FY 2024: -25.9%FY 2025: -2.3%
FY 2016 FY 2025
EPS (diluted) -205.3%
FY 2016: 97.7%FY 2017: 48.8%FY 2018: -13.6%FY 2019: 31.0%FY 2020: -44.9%FY 2021: -24.0%FY 2022: 33.9%FY 2023: -40.2%FY 2024: 1.7%FY 2025: -205.3%
FY 2016 FY 2025
Free Cash Flow 1.8%
FY 2016: -200.9%FY 2017: -21.0%FY 2018: 22.4%FY 2019: 54.4%FY 2020: -176.4%FY 2021: -107.5%FY 2022: 28.7%FY 2023: -93.1%FY 2024: -9.4%FY 2025: 1.8%
FY 2016 FY 2025

Financial Health

Current Ratio 0.3×
FY 2016: 4.6×FY 2017: 3.2×FY 2018: 0.8×FY 2019: 0.7×FY 2020: 1.3×FY 2021: 13.8×FY 2022: 7.2×FY 2023: 6.4×FY 2024: 2.0×FY 2025: 0.3×
FY 2016 5y median 6.4× FY 2025
Quick Ratio 0.3×
FY 2016: 4.6×FY 2017: 3.2×FY 2018: 0.8×FY 2019: 0.7×FY 2020: 1.3×FY 2021: 13.8×FY 2022: 7.2×FY 2023: 6.4×FY 2024: 2.0×FY 2025: 0.3×
FY 2016 5y median 6.4× FY 2025
Debt / Equity -1.3×
FY 2016: 0.0×FY 2017: 0.0×FY 2018: 0.0×FY 2019: -0.4×FY 2020: -1.2×FY 2021: 0.0×FY 2022: 0.0×FY 2023: 0.0×FY 2024: 0.0×FY 2025: -1.3×
FY 2016 5y median 0.0× FY 2025
Net Debt / EBITDA -0.1×
FY 2016: 1.4×FY 2017: 0.2×FY 2018: 0.2×FY 2019: 0.2×FY 2020: -0.3×FY 2021: 0.1×FY 2022: -0.0×FY 2023: 0.3×FY 2024: 0.3×FY 2025: -0.1×
FY 2016 5y median 0.1× FY 2025
Interest Coverage -19.6×
FY 2016: -312×FY 2017: -170×FY 2018: -829×FY 2019: -131×FY 2020: -10.4×FY 2021: -8.3×FY 2022: -25.9×FY 2023: -42.0×FY 2024: 0.0×FY 2025: -19.6×
FY 2016 5y median -19.6× FY 2025

Dividends

Dividend Yield 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025
Payout Ratio 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025

Annual · latest fiscal year ends 2025-12-31