PulmonxLUNG 49 FCF Yield % is -53.36 as of Jun. 28, 2026. GuruFocus rates LUNG with a GF Score™ of 49/100 and a GF Value™ of $7.13 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 855 Medical Devices & Instruments companies, Pulmonx ranks worse than 92.05% on this metric.
FCF Yield % is calculated as Free Cash Flow divided by Market Capitalization. It is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.
As of today, Pulmonx's Trailing 12-Month Free Cash Flow is $-29.41 Mil, and Market Cap is $55.12 Mil. Therefore, Pulmonx's FCF Yield % for today is -53.36%.
The historical rank and industry rank for Pulmonx's FCF Yield % or its related term are showing as below:
LUNG'
s FCF Yield % Range Over the Past 10 Years
Min: -67.75 Med: -10.54 Max: -1.23
Current: -53.36
During the past 8 years, the highest FCF Yield % of Pulmonx was -1.23%. The lowest was -67.75%. And the median was -10.54%.
LUNG's FCF Yield % is ranked worse than 92.05% of 855
companies
in the Medical Devices & Instruments industry
Industry Median: -0.38
vs LUNG: -53.36
Similar to Earnings Yield %, FCF 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 free 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.
Pulmonx FCF Yield % Related Terms
Pulmonx FCF Yield % Historical Data
* Premium members only.
The historical data trend for Pulmonx's FCF 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.
For the Medical Devices subindustry, Pulmonx's FCF Yield %, along with its competitors' market caps and FCF 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.
Pulmonx FCF Yield % vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Pulmonx's FCF Yield % distribution charts can be found below:
* The bar in red indicates where Pulmonx's FCF Yield % falls into.
* 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.
Pulmonx (LUNG) has a FCF Yield % of -53.36 as of Jun. 28, 2026. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Pulmonx and its competitors. According to the industry distribution chart, Pulmonx ranks #787 out of 855 companies in the Medical Devices & Instruments industry, placing it in the top 92%.
Is Pulmonx's FCF Yield % too high?
Pulmonx's current FCF Yield % is -53.36. Based on the distribution chart, Pulmonx ranks #787 out of 855 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Pulmonx has a GF Score™ of 49/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Pulmonx's FCF Yield % compare to LNSR and QTI?
According to the Medical Devices & Instruments industry distribution chart, Pulmonx ranks #787 out of 855 companies for FCF Yield %. This places Pulmonx 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 FCF Yield % for a Medical Devices & Instruments company?
A good FCF Yield % depends on the Medical Devices & Instruments industry context. However, FCF 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 FCF Yield % mean?
A high FCF Yield % can signal that a stock is expensive relative to its fundamentals. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Pulmonx and its competitors. Pulmonx's current FCF Yield % is -53.36. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Pulmonx stock overvalued right now?
Based on GuruFocus' analysis, Pulmonx (LUNG) is currently considered Possible Value Trap. The stock's GF Value™ is $7.13, compared to a current price of $1.31 — trading 81.7% below its estimated fair value. The current FCF Yield % is -53.36. Pulmonx's overall GF Score™ is 49/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Yield % calculated?
FCF Yield % is calculated from a company's financial statements. For Pulmonx (LUNG), the current FCF Yield % is -53.36 as of Jun. 28, 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 Pulmonx (LUNG) Overvalued in 2026?
Based on GuruFocus' analysis, Pulmonx stock appears to be undervalued.
The current stock price of $1.31 is trading 81.7% below its estimated GF Value™ of $7.13.
GuruFocus considers Pulmonx to be Possible Value Trap.
Key valuation signals for LUNG:
FCF Yield %: -53.36
GF Value™: $7.13 vs. price of $1.31 (81.7% below fair value)
No single metric tells the full story. See the LUNG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Pulmonx Corp is a commercial-stage medical technology company that provides a minimally invasive treatment for patients with severe emphysema, a form of chronic obstructive pulmonary disease (COPD). solution, which is comprised of the Zephyr Endobronchial Valve (Zephyr Valve), the Chartis Pulmonary Assessment System (Chartis System), and the LungTraX Platform, is designed to treat severe emphysema patients who, despite medical management, are still profoundly symptomatic and either do not want or are ineligible for surgical approaches. The majority of the company's revenue is generated from the provision of cloud hosting and management services. The company geographically, operates in the USA, the EMEA, the Asia Pacific, and other international regions, the majority of revenue from USA.
49GF Score
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