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Sigma LithiumSGML +3.59%46 Net-Net Working Capital is $-3.10 as of Jun. 2026. GuruFocus rates SGML with a GF Score™ of 46/100 and a GF Value™ of $8.14 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,148 Metals & Mining companies, Sigma Lithium ranks worse than 87107.93% on this metric.
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.
Sigma Lithium's Net-Net Working Capital for the quarter that ended in Jun. 2026 was $-3.10.
The industry rank for Sigma Lithium's Net-Net Working Capital or its related term are showing as below:
SGML's Price-to-Net-Net-Working-Capital is not ranked *
in the Metals & Mining industry.
Industry Median: 7.67 * Ranked among companies with meaningful Price-to-Net-Net-Working-Capital only.
Sigma Lithium (NAS:SGML) 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.
Sigma Lithium Net-Net Working Capital Related Terms
Sigma Lithium Net-Net Working Capital Historical Data
* Premium members only.
The historical data trend for Sigma Lithium'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.
Sigma Lithium Net-Net Working Capital Competitor Comparison
For the Other Industrial Metals & Mining subindustry, Sigma Lithium'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.
Sigma Lithium Price-to-Net-Net-Working-Capital vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Sigma Lithium's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where Sigma Lithium'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 $-3.10 mean?
Sigma Lithium (SGML) has a Net-Net Working Capital of $-3.10 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 Sigma Lithium According to the industry distribution chart, Sigma Lithium ranks #999999 out of 1148 companies in the Metals & Mining industry.
Is Sigma Lithium's Net-Net Working Capital too high?
Sigma Lithium's current Net-Net Working Capital is $-3.10. Based on the distribution chart, Sigma Lithium ranks #999999 out of 1148 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers. Overall, Sigma Lithium has a GF Score™ of 46/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sigma Lithium's Net-Net Working Capital compare to competitors?
According to the Metals & Mining industry distribution chart, Sigma Lithium ranks #999999 out of 1148 companies for Net-Net Working Capital. This places Sigma Lithium in the lower half of its industry. The industry median Net-Net Working Capital is 7.67. 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 Metals & Mining company?
The median Net-Net Working Capital among Metals & Mining companies is 7.67, based on 1,148 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 Sigma Lithium For the Metals & Mining industry, the median Net-Net Working Capital is 7.67 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sigma Lithium's current Net-Net Working Capital is $-3.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sigma Lithium stock overvalued right now?
Based on GuruFocus' analysis, Sigma Lithium (SGML) is currently considered Significantly Overvalued. The stock's GF Value™ is $8.14, compared to a current price of $12.71 — trading 56.1% above its estimated fair value. The current Net-Net Working Capital is $-3.10. Sigma Lithium's overall GF Score™ is 46/100 with 5 warning signs 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 Sigma Lithium (SGML), the current Net-Net Working Capital is $-3.10 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 Sigma Lithium (SGML) Overvalued in 2026?
Based on GuruFocus' analysis, Sigma Lithium stock appears to be overvalued.
The current stock price of $12.71 is trading 56.1% above its estimated GF Value™ of $8.14.
GuruFocus considers Sigma Lithium to be Significantly Overvalued.
Key valuation signals for SGML:
Net-Net Working Capital: $-3.10
GF Value™: $8.14 vs. price of $12.71 (56.1% above fair value)
No single metric tells the full story. See the SGML stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sigma Lithium Corp together with its direct and indirect subsidiaries, is a commercial producer of lithium concentrate. It holds full interest in four mineral properties: Grota do Cirilo, Sao Jose, Santa Clara, and Genipapo, located in the municipalities of Aracuai and Itinga, in the Vale do Jequitinhonha region in the State of Minas Gerais, Brazil. Geographically, the company operates in Switzerland; United Arab Emirates; Singapore; and Republic of Korea, of which it derives maximum revenue from Switzerland.
46GF Score
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