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.
Atossa TherapeuticsATOS +2.05%26 EV-to-OCF is 0.21 as of Jul. 18, 2026, which is 58% below its 10-year median of 0.50. GuruFocus rates ATOS with a GF Score™ of 26/100. The stock has 2 warning signs investors should review. Among 1,411 Biotechnology companies, Atossa Therapeutics ranks worse than 74.2% on this metric.
EV-to-OCF is calculated as enterprise value divided by its cash flow from operations. As of today, Atossa Therapeutics's Enterprise Value is $-6.88 Mil.
Atossa Therapeutics's Cash Flow from Operations for the trailing twelve months (TTM) ended in Mar. 2026 was $-33.38 Mil. Therefore, Atossa Therapeutics's EV-to-OCF for today is 0.21.
The historical rank and industry rank for Atossa Therapeutics's EV-to-OCF or its related term are showing as below:
ATOS'
s EV-to-OCF Range Over the Past 10 Years
Min: -0.78 Med: 0.5 Max: 0.55
Current: 0.21
During the past 13 years, the highest EV-to-OCF of Atossa Therapeutics was 0.55. The lowest was -0.78. And the median was 0.50.
ATOS's EV-to-OCF is ranked worse than 74.2% of 1411
companies
in the Biotechnology industry
Industry Median: -3.28
vs ATOS: 0.21
EV-to-OCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
EV-to-OCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
Atossa Therapeutics's PE Ratio (TTM) for today is calculated as:
Atossa Therapeutics's share price for today is $2.49.
Atossa Therapeutics's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-4.550.
* 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.
Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Cash Flow from Operations is an important financial metric because it represents the cash generated from operating activities at a company's disposal. Companies with a low EV-to-OCF ratio, combined with a strong balance sheet are generally considered as undervalued.
Atossa Therapeutics EV-to-OCF Related Terms
Atossa Therapeutics EV-to-OCF Historical Data
* Premium members only.
The historical data trend for Atossa Therapeutics's EV-to-OCF 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.
For the Biotechnology subindustry, Atossa Therapeutics's EV-to-OCF, along with its competitors' market caps and EV-to-OCF 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.
Atossa Therapeutics EV-to-OCF vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Atossa Therapeutics's EV-to-OCF distribution charts can be found below:
* The bar in red indicates where Atossa Therapeutics's EV-to-OCF falls into.
Atossa Therapeutics's current Enterprise Value is $-6.88 Mil.
Atossa Therapeutics's Cash Flow from Operations for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-33.38 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.
Atossa Therapeutics (ATOS) has a EV-to-OCF of 0.21 as of Jul. 18, 2026. This is 58% below median its historical median of 0.50. According to the industry distribution chart, Atossa Therapeutics ranks #1047 out of 1411 companies in the Biotechnology industry, placing it in the top 74.2%.
Is Atossa Therapeutics' EV-to-OCF too high?
Atossa Therapeutics' current EV-to-OCF of 0.21 is 58% below median its 10-year median of 0.50. Based on the distribution chart, Atossa Therapeutics ranks #1047 out of 1411 companies in the Biotechnology industry, which is below the industry midpoint. Overall, Atossa Therapeutics has a GF Score™ of 26/100, reflecting its overall financial health beyond just this single metric.
How does Atossa Therapeutics' EV-to-OCF compare to QNCX and ZIVO?
According to the Biotechnology industry distribution chart, Atossa Therapeutics ranks #1047 out of 1411 companies for EV-to-OCF. This places Atossa Therapeutics 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 EV-to-OCF for a Biotechnology company?
A good EV-to-OCF depends on the Biotechnology industry context. However, EV-to-OCF 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 EV-to-OCF mean?
A high EV-to-OCF can signal that a stock is expensive relative to its fundamentals. Atossa Therapeutics's current EV-to-OCF is 0.21, which is 58% below median its own 10-year median of 0.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Atossa Therapeutics stock overvalued right now?
Atossa Therapeutics (ATOS) has a current EV-to-OCF of 0.21. The current EV-to-OCF is 0.21, which is 58% below median its 10-year median of 0.50. Atossa Therapeutics' overall GF Score™ is 26/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-OCF calculated?
EV-to-OCF is calculated from a company's financial statements. For Atossa Therapeutics (ATOS), the current EV-to-OCF is 0.21 as of Jul. 18, 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.
Atossa Therapeutics Inc is a clinical-stage biopharmaceutical company engaged in the development of proprietary medicines for oncology, with a focus on breast cancer and related conditions. The company's lead product candidate, oral (Z)-endoxifen, is a selective estrogen receptor modulator and degrader (SERM/SERD) in Phase 2 clinical development, being evaluated for the treatment and prevention of breast cancer and other indications.
26GF Score
Get the complete analysis for ATOS
EV-to-OCF is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ATOS has been successfully added to your 
