Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Richard Sloan from the University of Michigan was first to document what is referred to as the "accrual anomaly". His 1996 paper found that shares of companies with small or negative accruals vastly outperform (+10%) those of companies with large ones.
As of Jun. 2026, Medigen Vaccine Biologics has a Sloan Ratio of 9.74%, indicating the company is in the safe zone and there is no funny business with accruals.
Medigen Vaccine Biologics (ROCO:6547) Sloan Ratio % Explanation
A former University of Michigan researcher, Richard Sloan's 1996 paper found that shares of companies with small or negative accruals vastly outperform (+10%) those of companies with large ones. In fact, for the 40-year period between 1962 and 2001, buying the lowest accrual companies and shorting the highest accrual companies resulted in an average annual compounded return of 18%, more than double the S&P 500's 7.4% annual return over the same period.
If the Sloan Ratio is between -10% and 10%, the company is in the safe zone and there is no funny business with accruals.
If the Sloan Ratio is less than between -25% and -10% on the negative side, and between 10% and 25% on the positive side, this is a warning stage of accrual build up.
If the Sloan Ratio is less than -25% or greater than 25%, and this ratio is consistent over several quarters or even years, be careful. Earnings are highly likely to be made up of accruals.
As of Jun. 2026, Medigen Vaccine Biologics has a Sloan Ratio of 9.74%, indicating the company is in the safe zone and there is no funny business with accruals.
Medigen Vaccine Biologics Sloan Ratio % Related Terms
Medigen Vaccine Biologics Sloan Ratio % Historical Data
* 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.
ROCO:6547 vs VRTX, REGN, MRNA: Sloan Ratio % Comparison
For the Biotechnology subindustry, Medigen Vaccine Biologics's Sloan Ratio %, along with its competitors' market caps and Sloan Ratio % 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.
Medigen Vaccine Biologics Sloan Ratio % vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Medigen Vaccine Biologics's Sloan Ratio % distribution charts can be found below:
* The bar in red indicates where Medigen Vaccine Biologics's Sloan Ratio % falls into.
Medigen Vaccine Biologics Sloan Ratio % Calculation
Earnings contain a lot of non cash earnings which is called accruals. The Sloan ratio is a way to identify firms with low non-cash or accrual-derived earnings relative to their cash flow.
Medigen Vaccine Biologics's Sloan Ratio for the fiscal year that ended in Dec. 2025 is calculated as
Medigen Vaccine Biologics's Net Income for the trailing twelve months (TTM) ended in Jun. 2026 was -22.598 (Sep. 2025 ) + -138.184 (Dec. 2025 ) + -28.339 (Mar. 2026 ) + 22.35 (Jun. 2026 ) = NT$-166.8 Mil.
Medigen Vaccine Biologics's Cash Flow from Operations for the trailing twelve months (TTM) ended in Jun. 2026 was -9.123 (Sep. 2025 ) + 101.129 (Dec. 2025 ) + -56.15 (Mar. 2026 ) + -92.555 (Jun. 2026 ) = NT$-56.7 Mil.
Medigen Vaccine Biologics's Cash Flow from Investing for the trailing twelve months (TTM) ended in Jun. 2026 was 91.735 (Sep. 2025 ) + 295.875 (Dec. 2025 ) + -928.548 (Mar. 2026 ) + -32.583 (Jun. 2026 ) = NT$-573.5 Mil.
* 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.
Medigen Vaccine Biologics (ROCO:6547) has a Sloan Ratio % of 9.74% as of Jun. 2026. Sloan ratio measures earnings quality based on the amount of accruals. View historical data on Medigen Vaccine Biologics and its competitors.
Is Medigen Vaccine Biologics' Sloan Ratio % too high?
Medigen Vaccine Biologics' current Sloan Ratio % is 9.74%. Overall, Medigen Vaccine Biologics has a GF Score™ of 68/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Medigen Vaccine Biologics' Sloan Ratio % compare to VRTX and REGN?
Medigen Vaccine Biologics' Sloan Ratio % of 9.74% can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Sloan Ratio % for a Biotechnology company?
A good Sloan Ratio % depends on the Biotechnology industry context. However, Sloan Ratio % 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 Sloan Ratio % mean?
A high Sloan Ratio % can signal that a stock is expensive relative to its fundamentals. Sloan ratio measures earnings quality based on the amount of accruals. View historical data on Medigen Vaccine Biologics and its competitors. Medigen Vaccine Biologics's current Sloan Ratio % is 9.74%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Medigen Vaccine Biologics stock overvalued right now?
Based on GuruFocus' analysis, Medigen Vaccine Biologics (ROCO:6547) is currently considered Fairly Valued. The stock's GF Value™ is NT$55.65, compared to a current price of NT$59.70 — trading 7.3% above its estimated fair value. The current Sloan Ratio % is 9.74%. Medigen Vaccine Biologics' overall GF Score™ is 68/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Sloan Ratio % calculated?
Sloan Ratio % is calculated from a company's financial statements. For Medigen Vaccine Biologics (ROCO:6547), the current Sloan Ratio % is 9.74% as of Jun. 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 Medigen Vaccine Biologics (ROCO:6547) Overvalued in 2026?
Based on GuruFocus' analysis, Medigen Vaccine Biologics stock appears to be overvalued.
The current stock price of NT$59.70 is trading 7.3% above its estimated GF Value™ of NT$55.65.
GuruFocus considers Medigen Vaccine Biologics to be Fairly Valued.
Key valuation signals for ROCO:6547:
Sloan Ratio %: 9.74%
GF Value™: NT$55.65 vs. price of NT$59.70 (7.3% above fair value)
No single metric tells the full story. See the ROCO:6547 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Medigen Vaccine Biologics Corp is engaged in the research, development and wholesale of vaccine and biopharmaceutical, medical devices wholesale and retail, etc. Its products include dengue vaccine, anti-RSV biosimilars, COVID-19 vaccines, enterovirus A71 vaccine, and influenza vaccine QIZ. It operates business only in a single industry in Taiwan.
68GF Score
Get the complete analysis for ROCO:6547
Sloan Ratio % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:6547 has been successfully added to your 
