ROC % measures how well a company generates cash flow relative to the capital it has invested in its business. It is also called ROIC %. Inspire Medical Systems's annualized return on capital (ROC %) for the quarter that ended in Mar. 2026 was 0.00%.
As of today (2026-06-25), Inspire Medical Systems's WACC % is 8.09%. Inspire Medical Systems's ROC % is 12.05% (calculated using TTM income statement data).
Inspire Medical Systems generates higher returns on investment than it costs the company to raise the capital needed for that investment. It is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases.
Inspire Medical Systems (STU:2DR) ROC % Explanation
ROC % measures how well a company generates cash flow relative to the capital it has invested in its business. It is also called ROIC %. The reason book values of debt and equity are used is because the book values are the capital the company received when issuing the debt or receiving the equity investments.
There are four key components to this definition. The first is the use of operating income or EBIT rather than net income in the numerator. The second is the tax adjustment to this operating income or EBIT, computed as a hypothetical tax based on an effective or marginal tax rate. The third is the use of book values for invested capital, rather than market values. The final is the timing difference; the capital invested is from the end of the prior year whereas the operating income or EBIT is the current year's number.
Why is ROC % important?
Because it costs money to raise capital. A firm that generates higher returns on investment than it costs the company to raise the capital needed for that investment is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases, whereas a firm that earns returns that do not match up to its cost of capital will destroy value as it grows.
As of today, Inspire Medical Systems's WACC % is 8.09%. Inspire Medical Systems's ROC % is 12.05% (calculated using TTM income statement data).
Inspire Medical Systems generates higher returns on investment than it costs the company to raise the capital needed for that investment. It is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases.
Be Aware
Like ROE % and ROA %, ROC % is calculated with only 12 months of data. Fluctuations in the company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.
* 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.
Note:
The Operating Income data used here is four times the quarterly (Mar. 2026) data.
The tax rate is limited to between 0% and 100%.
* 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.
Inspire Medical Systems (STU:2DR) has a ROC % of 0.00% as of Mar. 2026. Return on capital is the ratio of current-period net income to average two-period capital. View historical data on Inspire Medical Systems and its competitors.
Is Inspire Medical Systems' ROC % too high?
Inspire Medical Systems' current ROC % is 0.00%. Overall, Inspire Medical Systems has a GF Score™ of 55/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Inspire Medical Systems' ROC % compare to BFLY and ATEC?
Inspire Medical Systems' ROC % of 0.00% can be compared against companies in the Medical Devices & Instruments industry. The industry median ROC % is 1.27. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROC % for a Medical Devices & Instruments company?
The median ROC % among Medical Devices & Instruments companies is 1.27, based on 847 companies in the industry. Companies in the top quartile (top 25%) have a ROC % significantly above this median, while those in the bottom quartile fall well below. However, ROC % 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 ROC % mean?
A high ROC % can signal that a stock is expensive relative to its fundamentals. Return on capital is the ratio of current-period net income to average two-period capital. View historical data on Inspire Medical Systems and its competitors. For the Medical Devices & Instruments industry, the median ROC % is 1.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Inspire Medical Systems's current ROC % is 0.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Inspire Medical Systems stock overvalued right now?
Based on GuruFocus' analysis, Inspire Medical Systems (STU:2DR) is currently considered Possible Value Trap. The stock's GF Value™ is €190.61, compared to a current price of €37.80 — trading 80.2% below its estimated fair value. The current ROC % is 0.00%. Inspire Medical Systems' overall GF Score™ is 55/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROC % calculated?
ROC % is calculated from a company's financial statements. For Inspire Medical Systems (STU:2DR), the current ROC % is 0.00% as of Mar. 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 Inspire Medical Systems (STU:2DR) Overvalued in 2026?
Based on GuruFocus' analysis, Inspire Medical Systems stock appears to be undervalued.
The current stock price of €37.80 is trading 80.2% below its estimated GF Value™ of €190.61.
GuruFocus considers Inspire Medical Systems to be Possible Value Trap.
Key valuation signals for STU:2DR:
ROC %: 0.00%
GF Value™: €190.61 vs. price of €37.80 (80.2% below fair value)
No single metric tells the full story. See the STU:2DR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Inspire Medical Systems Inc operates as a medical technology company. It focuses on the development and commercialization of minimally invasive solutions for patients with obstructive sleep apnea (OSA). It offers Inspire system, a neurostimulation technology that provides a safe and effective treatment for moderate to severe obstructive sleep apnea. The firm has operating footprints in the United States and All other countries wherein, it generates a majority of its revenue from the United States. Its segment revenues are derived from the sales of its product, the Inspire system, to hospitals and ambulatory surgery centers in the U.S. and in selected countries in Europe and the Asia Pacific region.
55GF Score
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