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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.
Yankey Engineering Co's Net-Net Working Capital for the quarter that ended in Jun. 2026 was NT$-37.49.
The industry rank for Yankey Engineering Co's Net-Net Working Capital or its related term are showing as below:
TPE:6691's Price-to-Net-Net-Working-Capital is not ranked *
in the Construction industry.
Industry Median: 6.52 * Ranked among companies with meaningful Price-to-Net-Net-Working-Capital only.
Yankey Engineering Co (TPE:6691) 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.
Yankey Engineering Co Net-Net Working Capital Related Terms
Yankey Engineering Co Net-Net Working Capital Historical Data
* Premium members only.
The historical data trend for Yankey Engineering Co'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.
Yankey Engineering Co Net-Net Working Capital Chart
TPE:6691 vs PWR, FIX, EME: Net-Net Working Capital Comparison
For the Engineering & Construction subindustry, Yankey Engineering Co'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.
Yankey Engineering Co Price-to-Net-Net-Working-Capital vs Construction Industry
For the Construction industry and Industrials sector, Yankey Engineering Co's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where Yankey Engineering Co'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 NT$-37.49 mean?
Yankey Engineering Co (TPE:6691) has a Net-Net Working Capital of NT$-37.49 as of Jun. 2026. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Yankey Engineering Co According to the industry distribution chart, Yankey Engineering Co ranks #999999 out of 475 companies in the Construction industry.
Is Yankey Engineering Co's Net-Net Working Capital too high?
Yankey Engineering Co's current Net-Net Working Capital is NT$-37.49. Based on the distribution chart, Yankey Engineering Co ranks #999999 out of 475 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, Yankey Engineering Co has a GF Score™ of 100/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Yankey Engineering Co's Net-Net Working Capital compare to PWR and FIX?
According to the Construction industry distribution chart, Yankey Engineering Co ranks #999999 out of 475 companies for Net-Net Working Capital. This places Yankey Engineering Co in the lower half of its industry. The industry median Net-Net Working Capital is 6.52. 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 a Construction company?
The median Net-Net Working Capital among Construction companies is 6.52, based on 475 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 Yankey Engineering Co For the Construction industry, the median Net-Net Working Capital is 6.52 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Yankey Engineering Co's current Net-Net Working Capital is NT$-37.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Yankey Engineering Co stock overvalued right now?
Based on GuruFocus' analysis, Yankey Engineering Co (TPE:6691) is currently considered Fairly Valued. The stock's GF Value™ is NT$632.21, compared to a current price of NT$593.00 — trading 6.2% below its estimated fair value. The current Net-Net Working Capital is NT$-37.49. Yankey Engineering Co's overall GF Score™ is 100/100 with 1 warning sign to review. 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 Yankey Engineering Co (TPE:6691), the current Net-Net Working Capital is NT$-37.49 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 Yankey Engineering Co (TPE:6691) Overvalued in 2026?
Based on GuruFocus' analysis, Yankey Engineering Co stock appears to be undervalued.
The current stock price of NT$593.00 is trading 6.2% below its estimated GF Value™ of NT$632.21.
GuruFocus considers Yankey Engineering Co to be Fairly Valued.
Key valuation signals for TPE:6691:
Net-Net Working Capital: NT$-37.49
GF Value™: NT$632.21 vs. price of NT$593.00 (6.2% below fair value)
No single metric tells the full story. See the TPE:6691 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Yankey Engineering Co Ltd is engaged in the design and installation of clean room systems, refrigeration, air conditioning systems, and ice-making systems, as well as the sales of materials for these systems. The various services offered by the company include clean room system engineering, high and low voltage transmission system installation, design and construction of fire, water, and electrical systems, and providing comprehensive MEP (Mechanical, Electrical, Plumbing) turnkey services for commercial office buildings, among others. Geographically, the company generates the majority of its revenue from Taiwan and the rest from China, Thailand, Malaysia, and the USA.
100GF Score
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Net-Net Working Capital is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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