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.
In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full. In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. This is a conservative way of estimating the company's value.
Environmental Tectonics's Net-Net Working Capital for the quarter that ended in May. 2025 was $-3.96.
The industry rank for Environmental Tectonics's Net-Net Working Capital or its related term are showing as below:
ETCC's Price-to-Net-Net-Working-Capital is not ranked *
in the Aerospace & Defense industry.
Industry Median: 9.33 * Ranked among companies with meaningful Price-to-Net-Net-Working-Capital only.
Environmental Tectonics (OTCPK:ETCC) Net-Net Working Capital Explanation
One research study, covering the years 1970 through 1983 showed that portfolios picked at the beginning of each year, and held for one year, returned 29.4 percent, on average, over the 13-year period, compared to 11.5 percent for the S&P 500 Index. Other studies of Graham's strategy produced similar results.
Benjamin Graham looked for companies whose market values were less than two-thirds of their net-net value. They are collected under our Net-Net screener.
Environmental Tectonics Net-Net Working Capital Related Terms
Environmental Tectonics Net-Net Working Capital Historical Data
* Premium members only.
The historical data trend for Environmental Tectonics's Net-Net Working Capital 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.
Environmental Tectonics Net-Net Working Capital Chart
ETCC vs XERI, DUKR, PRZO: Net-Net Working Capital Comparison
For the Aerospace & Defense subindustry, Environmental Tectonics's Price-to-Net-Net-Working-Capital, along with its competitors' market caps and Price-to-Net-Net-Working-Capital 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.
Environmental Tectonics Price-to-Net-Net-Working-Capital vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Environmental Tectonics's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where Environmental Tectonics's Price-to-Net-Net-Working-Capital 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.
In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full.
In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. In "Security Analysis", preferred stock is dubbed "an imperfect creditorship position" that is best placed on the balance sheet alongside funded debt.
This is a conservative way of estimating the company's value.
What does a Net-Net Working Capital of $-3.96 mean?
Environmental Tectonics (ETCC) has a Net-Net Working Capital of $-3.96 as of May. 2025. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Environmental Tectonics
Is Environmental Tectonics' Net-Net Working Capital too high?
Environmental Tectonics' current Net-Net Working Capital is $-3.96. Overall, Environmental Tectonics has a GF Score™ of 34/100, reflecting its overall financial health beyond just this single metric.
How does Environmental Tectonics' Net-Net Working Capital compare to XERI and DUKR?
Environmental Tectonics' Net-Net Working Capital of $-3.96 can be compared against companies in the Aerospace & Defense industry. The industry median Net-Net Working Capital is 9.33. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net-Net Working Capital for an Aerospace & Defense company?
The median Net-Net Working Capital among Aerospace & Defense companies is 9.33, based on 119 companies in the industry. Companies in the top quartile (top 25%) have a Net-Net Working Capital significantly above this median, while those in the bottom quartile fall well below. However, Net-Net Working Capital 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 Net-Net Working Capital mean?
A high Net-Net Working Capital can signal that a stock is expensive relative to its fundamentals. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Environmental Tectonics For the Aerospace & Defense industry, the median Net-Net Working Capital is 9.33 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Environmental Tectonics's current Net-Net Working Capital is $-3.96. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Environmental Tectonics stock overvalued right now?
Environmental Tectonics (ETCC) has a current Net-Net Working Capital of $-3.96. The current Net-Net Working Capital is $-3.96. Environmental Tectonics' overall GF Score™ is 34/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net-Net Working Capital calculated?
Net-Net Working Capital is calculated from a company's financial statements. For Environmental Tectonics (ETCC), the current Net-Net Working Capital is $-3.96 as of May. 2025. 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.
Environmental Tectonics Corp is a supplier and innovator in software driven products and services used to create and monitor the physiological effects of flight, including high performance jet tactical flight simulation, fixed and rotary wing upset prevention and recovery and spatial disorientation, and both suborbital and orbital commercial human spaceflight; altitude (hypobaric) chambers; hyperbaric chambers for multiple persons; Aircrew Training Systems; Advanced Disaster Management Simulators; steam and gas (ethylene oxide) sterilizer systems; and Environmental Testing and Simulation Systems. The Company operates through the Aerospace Solutions and Commercial/Industrial Systems segments, with Aerospace Solutions generating maximum revenue.
34GF Score
Get the complete analysis for ETCC
Net-Net Working Capital is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ETCC has been successfully added to your 
