Alphamab Oncology (HKSE:09966) OCF Yield %: -1.67 (As of Aug. 20, 2026)

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HKSE:09966 Alphamab Oncology HKSE:09966
55 GF Score
Price HK$8.35
GF Value HK$7.81
Valuation Fairly Valued
! 4 Warning Signs
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What is Alphamab Oncology OCF Yield %?

Alphamab Oncology HKSE:09966 +2.58% 55 OCF Yield % is -1.67 as of Aug. 20, 2026. GuruFocus rates HKSE:09966 with a GF Score™ of 55/100 and a GF Value™ of HK$7.81 (Fairly Valued). The stock has 4 warning signs investors should review. Among 1,410 Biotechnology companies, Alphamab Oncology ranks better than 71.7% 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, Alphamab Oncology's Trailing 12-Month Cash Flow from Operations is HK$-134.6 Mil, and Market Cap is HK$8,083.5 Mil. Therefore, Alphamab Oncology's OCF Yield % for today is -1.67%.

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

HKSE:09966' s OCF Yield % Range Over the Past 10 Years
Min: -10.65   Med: -3.89   Max: 7.24
Current: -1.67


During the past 9 years, the highest OCF Yield % of Alphamab Oncology was 7.24%. The lowest was -10.65%. And the median was -3.89%.

HKSE:09966's OCF Yield % is ranked better than
71.7% of 1410 companies
in the Biotechnology industry
Industry Median: -8.375 vs HKSE:09966: -1.67

Alphamab Oncology's OCF Margin % for the quarter that ended in Dec. 2025 was %.


Alphamab Oncology 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.


Alphamab Oncology OCF Yield % Related Terms


Alphamab Oncology OCF Yield % Historical Data

* Premium members only.

The historical data trend for Alphamab Oncology'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.

Alphamab Oncology OCF Yield % Chart

Alphamab Oncology Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Yield %
Get a 7-Day Free Trial Premium Member Only -3.08 -3.30 -3.47 6.73 -1.42

Alphamab Oncology Semi-Annual Data
Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 -4.42 -4.28 16.38 -0.07 -2.79

HKSE:09966 vs VRTX, REGN, RVMD: OCF Yield % Comparison

For the Biotechnology subindustry, Alphamab Oncology'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.


Alphamab Oncology OCF Yield % vs Biotechnology Industry

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

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


HKSE:09966
55GF Score
Alphamab Oncology HKSE:09966
OCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Alphamab Oncology 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.

Alphamab Oncology's OCF Yield % for the fiscal year that ended in Dec. 2025 is calculated as

OCF Yield %=Cash Flow from Operations / Market Cap
=-134.654 / 9511.4065
=-1.42%

Alphamab Oncology's annualized OCF Yield % for the quarter that ended in Dec. 2025 is calculated as

OCF Yield %=Cash Flow from Operations * Annualized Factor / Market Cap
=-132.615 * 2 / 9511.4065
=-2.79%

* 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 -1.67 mean?
Alphamab Oncology (HKSE:09966) has a OCF Yield % of -1.67 as of Aug. 20, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Alphamab Oncology and its competitors. According to the industry distribution chart, Alphamab Oncology ranks #399 out of 1410 companies in the Biotechnology industry, placing it in the top 28.3%.
Is Alphamab Oncology's OCF Yield % too high?
Alphamab Oncology's current OCF Yield % is -1.67. Based on the distribution chart, Alphamab Oncology ranks #399 out of 1410 companies in the Biotechnology industry, which is above the industry midpoint. Overall, Alphamab Oncology has a GF Score™ of 55/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Alphamab Oncology's OCF Yield % compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Alphamab Oncology ranks #399 out of 1410 companies for OCF Yield %. This puts Alphamab Oncology in the upper 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 Alphamab Oncology and its competitors. Alphamab Oncology's current OCF Yield % is -1.67. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alphamab Oncology stock overvalued right now?
Based on GuruFocus' analysis, Alphamab Oncology (HKSE:09966) is currently considered Fairly Valued. The stock's GF Value™ is HK$7.81, compared to a current price of HK$8.35 — trading 6.9% above its estimated fair value. The current OCF Yield % is -1.67. Alphamab Oncology's overall GF Score™ is 55/100 with 4 warning signs to review. 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 Alphamab Oncology (HKSE:09966), the current OCF Yield % is -1.67 as of Aug. 20, 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.

Is Alphamab Oncology (HKSE:09966) Overvalued in 2026?

Based on GuruFocus' analysis, Alphamab Oncology stock appears to be overvalued. The current stock price of HK$8.35 is trading 6.9% above its estimated GF Value™ of HK$7.81. GuruFocus considers Alphamab Oncology to be Fairly Valued.

Key valuation signals for HKSE:09966:

  • OCF Yield %: -1.67
  • GF Value™: HK$7.81 vs. price of HK$8.35 (6.9% above fair value)
  • GF Score™: 55/100 with 4 warning signs

No single metric tells the full story. See the HKSE:09966 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Alphamab Oncology Business Description

Other Exchanges 3NK:Germany
Address No. 175 Fangzhou Road, Suzhou Industrial Park, Jiangsu Province, Suzhou, CHN, 215127
Alphamab Oncology is a biopharmaceutical company in China with a fully integrated proprietary technology platform in ADCs, bispecific antibodies, and multifunctional protein engineering. The Company is principally engaged in the research and development, manufacturing, and commercialisation of biologics of oncology. It delivers therapeutic biologics by applying its drug discovery and development capabilities. Its product portfolio includes Envafolimab (KN035), KN026, JSKN003, JSKN016, JSKN033, JSKN022, JSKN027, JSKN021, KN019, and KN046.
55GF Score

Get the complete analysis for HKSE:09966

OCF Yield % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

HK$8.35
Price
HK$7.81
GF Value