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Phillips 66MEX:PSX 57 Net-Net Working Capital is MXN-1,714.15 as of Mar. 2026. GuruFocus rates MEX:PSX with a GF Score™ of 57/100 and a GF Value™ of MXN1,922.02 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 192 Oil & Gas companies, Phillips 66 ranks worse than 520832.81% 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.
Phillips 66's Net-Net Working Capital for the quarter that ended in Mar. 2026 was MXN-1,714.15.
The industry rank for Phillips 66's Net-Net Working Capital or its related term are showing as below:
MEX:PSX's Price-to-Net-Net-Working-Capital is not ranked *
in the Oil & Gas industry.
Industry Median: 6.505 * Ranked among companies with meaningful Price-to-Net-Net-Working-Capital only.
Phillips 66 (MEX:PSX) 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.
Phillips 66 Net-Net Working Capital Related Terms
Phillips 66 Net-Net Working Capital Historical Data
* Premium members only.
The historical data trend for Phillips 66'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.
MEX:PSX vs VLO, MPC, DINO: Net-Net Working Capital Comparison
For the Oil & Gas Refining & Marketing subindustry, Phillips 66'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.
Phillips 66 Price-to-Net-Net-Working-Capital vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Phillips 66's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where Phillips 66'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 MXN-1,714.15 mean?
Phillips 66 (MEX:PSX) has a Net-Net Working Capital of MXN-1,714.15 as of Mar. 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 Phillips 66 According to the industry distribution chart, Phillips 66 ranks #999999 out of 192 companies in the Oil & Gas industry.
Is Phillips 66's Net-Net Working Capital too high?
Phillips 66's current Net-Net Working Capital is MXN-1,714.15. Based on the distribution chart, Phillips 66 ranks #999999 out of 192 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Phillips 66 has a GF Score™ of 57/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Phillips 66's Net-Net Working Capital compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Phillips 66 ranks #999999 out of 192 companies for Net-Net Working Capital. This places Phillips 66 in the lower half of its industry. The industry median Net-Net Working Capital is 6.51. 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 Oil & Gas company?
The median Net-Net Working Capital among Oil & Gas companies is 6.51, based on 192 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 Phillips 66 For the Oil & Gas industry, the median Net-Net Working Capital is 6.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Phillips 66's current Net-Net Working Capital is MXN-1,714.15. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Phillips 66 stock overvalued right now?
Based on GuruFocus' analysis, Phillips 66 (MEX:PSX) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN1,922.02, compared to a current price of MXN3,300.00 — trading 71.7% above its estimated fair value. The current Net-Net Working Capital is MXN-1,714.15. Phillips 66's overall GF Score™ is 57/100 with 8 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 Phillips 66 (MEX:PSX), the current Net-Net Working Capital is MXN-1,714.15 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 Phillips 66 (MEX:PSX) Overvalued in 2026?
Based on GuruFocus' analysis, Phillips 66 stock appears to be overvalued.
The current stock price of MXN3,300.00 is trading 71.7% above its estimated GF Value™ of MXN1,922.02.
GuruFocus considers Phillips 66 to be Significantly Overvalued.
Key valuation signals for MEX:PSX:
Net-Net Working Capital: MXN-1,714.15
GF Value™: MXN1,922.02 vs. price of MXN3,300.00 (71.7% above fair value)
No single metric tells the full story. See the MEX:PSX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Phillips 66 is an independent refiner that owns or holds interest in 10 refineries with a total crude throughput capacity of 2.0 million barrels per day, or mmb/d, at the end of 2025. The midstream segment comprises extensive transportation and NGL processing assets. It includes 70,000 miles of crude oil, refined petroleum product, NGL and natural gas pipeline systems, and a comprehensive set of refined petroleum product, NGL and crude oil terminals, gathering and processing plants and fractionation facilities and various other storage and loading facilities. Its CPChem chemical joint venture operates facilities primarily in the United States and the Middle East and produces olefins and polyolefins.
57GF Score
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