PKTX (ProtoKinetix) OCF Yield %: -9.06 (As of Jun. 30, 2026)


What is ProtoKinetix OCF Yield %?

ProtoKinetix PKTX OCF Yield % is -9.06 as of Jun. 30, 2026. The stock has 1 warning sign investors should review. Among 1,416 Biotechnology companies, ProtoKinetix ranks worse than 51.41% on this metric.

OCF Yield % is calculated as Cash Flow from Operations divided by Market Capitalization. It is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

As of today, ProtoKinetix's Trailing 12-Month Cash Flow from Operations is $-0.18 Mil, and Market Cap is $2.00 Mil. Therefore, ProtoKinetix's OCF Yield % for today is -9.06%.

The historical rank and industry rank for ProtoKinetix's OCF Yield % or its related term are showing as below:

PKTX' s OCF Yield % Range Over the Past 10 Years
Min: -9.06   Med: 0   Max: -7.84
Current: -9.06


During the past 13 years, the highest OCF Yield % of ProtoKinetix was -7.84%. The lowest was -9.06%. And the median was %.

PKTX's OCF Yield % is ranked worse than
51.41% of 1416 companies
in the Biotechnology industry
Industry Median: -8.185 vs PKTX: -9.06

ProtoKinetix's OCF Margin % for the quarter that ended in Sep. 2025 was %.


ProtoKinetix OCF Yield % Explanation

Similar to Earnings Yield %, OCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high operating cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.


ProtoKinetix OCF Yield % Related Terms


ProtoKinetix OCF Yield % Historical Data

* Premium members only.

The historical data trend for ProtoKinetix's OCF Yield % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

ProtoKinetix OCF Yield % Chart

ProtoKinetix Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
OCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -3.11 -2.99 -9.37 -5.72 -6.00

ProtoKinetix Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25
OCF Yield % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -3.97 -4.84 -4.46 -9.45 -0.75

PKTX vs BBLG, VRAX, AAGH: OCF Yield % Comparison

For the Biotechnology subindustry, ProtoKinetix's OCF Yield %, along with its competitors' market caps and OCF Yield % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


ProtoKinetix OCF Yield % vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, ProtoKinetix's OCF Yield % distribution charts can be found below:

* The bar in red indicates where ProtoKinetix's OCF Yield % falls into.



ProtoKinetix OCF Yield % Calculation

OCF Yield % is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

ProtoKinetix's OCF Yield % for the fiscal year that ended in Dec. 2024 is calculated as

OCF Yield %=Cash Flow from Operations / Market Cap
=-0.223 / 3.7188
=-6.00%

ProtoKinetix's annualized OCF Yield % for the quarter that ended in Sep. 2025 is calculated as

OCF Yield %=Cash Flow from Operations * Annualized Factor / Market Cap
=-0.004 * 4 / 2.14544
=-0.75%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about OCF Yield % →
What does a OCF Yield % of -9.06 mean?
ProtoKinetix (PKTX) has a OCF Yield % of -9.06 as of Jun. 30, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on ProtoKinetix and its competitors. According to the industry distribution chart, ProtoKinetix ranks #728 out of 1416 companies in the Biotechnology industry, placing it in the top 51.4%.
Is ProtoKinetix's OCF Yield % too high?
ProtoKinetix's current OCF Yield % is -9.06. Based on the distribution chart, ProtoKinetix ranks #728 out of 1416 companies in the Biotechnology industry, which is below the industry midpoint.
How does ProtoKinetix's OCF Yield % compare to BBLG and VRAX?
According to the Biotechnology industry distribution chart, ProtoKinetix ranks #728 out of 1416 companies for OCF Yield %. This places ProtoKinetix in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Yield % for a Biotechnology company?
A good OCF Yield % depends on the Biotechnology industry context. However, OCF Yield % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high OCF Yield % mean?
A high OCF Yield % can signal that a stock is expensive relative to its fundamentals. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on ProtoKinetix and its competitors. ProtoKinetix's current OCF Yield % is -9.06. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ProtoKinetix stock overvalued right now?
ProtoKinetix (PKTX) has a current OCF Yield % of -9.06. The current OCF Yield % is -9.06. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Yield % calculated?
OCF Yield % is calculated from a company's financial statements. For ProtoKinetix (PKTX), the current OCF Yield % is -9.06 as of Jun. 30, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

ProtoKinetix Business Description

Address 109 W Main Street, Dalton, OH, USA, 44618
ProtoKinetix Inc is a research and development stage biotechnology company focused on scientific medical research of AFGPs (Anti-Freeze Glycoproteins). The AFGP is a compound produced by fish, insects, reptiles, bacteria, and plants that enable survival in freezing temperatures. The company also develops AFGP applications which include regenerative medicine issues including harvesting, processing, storage, and transplanting cells, tissues, and organs and treatments for chronic inflammatory conditions and diseases caused by stress factors, including UV radiation, oxidation, and cryopreservation and hydrogen peroxide.