WilliamsMEX:WMB 79 Days Inventory is 22.99 as of Mar. 2026, which is 52% above its 10-year median of 15.15. GuruFocus rates MEX:WMB with a GF Score™ of 79/100 and a GF Value™ of MXN975.20. The stock has 11 warning signs investors should review. Among 688 Oil & Gas companies, Williams ranks better than 58.72% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Williams's Average Total Inventories for the
three
months ended in Mar. 2026 was MXN5,189 Mil. Williams's Cost of Goods Sold for the
three
months ended in Mar. 2026 was MXN20,593 Mil.
Hence, Williams's Days Inventory for the
three
months ended in Mar. 2026 was 22.99.
The historical rank and industry rank for Williams's Days Inventory or its related term are showing as below:
MEX:WMB'
s Days Inventory Range Over the Past 10 Years
Min: 9.71 Med: 15.15 Max: 26.4
Current: 24.54
During the past 13 years, Williams's highest Days Inventory was 26.40. The lowest was 9.71. And the median was 15.15.
MEX:WMB's Days Inventory is ranked better than 58.72% of 688
companies
in the Oil & Gas industry
Industry Median: 31
vs MEX:WMB: 24.54
Williams's Days Inventory
increased
from Mar. 2025 (19.82) to Mar. 2026 (22.99).
It might indicate that Williams's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Williams's Inventory Turnover for the
three
months ended in Mar. 2026 was 3.97.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Williams's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.09.
Williams (MEX:WMB) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Williams's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Williams's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Williams Days Inventory Related Terms
Williams Days Inventory Historical Data
* Premium members only.
The historical data trend for Williams's Days Inventory 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:WMB vs EPD, KMI, ET: Days Inventory Comparison
For the Oil & Gas Midstream subindustry, Williams's Days Inventory, along with its competitors' market caps and Days Inventory 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.
Williams Days Inventory vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Williams's Days Inventory distribution charts can be found below:
* The bar in red indicates where Williams's Days Inventory 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.
Williams (MEX:WMB) has a Days Inventory of 22.99 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Williams and its competitors. This is 52% above median its historical median of 15.15. Over the past decade, Williams' Days Inventory has ranged from 9.71 to 26.40. According to the industry distribution chart, Williams ranks #284 out of 688 companies in the Oil & Gas industry, placing it in the top 41.3%.
Is Williams' Days Inventory too high?
Williams' current Days Inventory of 22.99 is 52% above median its 10-year median of 15.15. Over the past 10 years, this metric has ranged from a low of 9.71 to a high of 26.40. The Oil & Gas industry median Days Inventory is 31.00. Williams' value of 22.99 is 25.8% below this industry median. Based on the distribution chart, Williams ranks #284 out of 688 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Williams has a GF Score™ of 79/100, reflecting its overall financial health beyond just this single metric.
How does Williams' Days Inventory compare to EPD and KMI?
According to the Oil & Gas industry distribution chart, Williams ranks #284 out of 688 companies for Days Inventory. This puts Williams in the upper half of its industry. The industry median Days Inventory is 31.00. Williams' value of 22.99 is 25.8% below this benchmark. Historically, Williams' own Days Inventory has ranged from 9.71 to 26.40 over the past decade. While the company's 10-year median is 15.15 vs. the industry median of 31.00, Williams has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for an Oil & Gas company?
The median Days Inventory among Oil & Gas companies is 31.00, based on 688 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Williams's current Days Inventory of 22.99 is 25.8% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Williams and its competitors. For the Oil & Gas industry, the median Days Inventory is 31.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Williams's current Days Inventory is 22.99, which is 52% above median its own 10-year median of 15.15. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Williams stock overvalued right now?
Williams (MEX:WMB) has a current Days Inventory of 22.99. The stock's GF Value™ is MXN975.20, compared to a current price of MXN1,250.00 — trading 28.2% above its estimated fair value. The current Days Inventory is 22.99, which is 52% above median its 10-year median of 15.15 and 25.8% below the Oil & Gas industry median of 31.00. Williams' overall GF Score™ is 79/100 with 11 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Williams (MEX:WMB), the current Days Inventory is 22.99 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 Williams (MEX:WMB) Overvalued in 2026?
Based on GuruFocus' analysis, Williams stock appears to be overvalued.
The current stock price of MXN1,250.00 is trading 28.2% above its estimated GF Value™ of MXN975.20.
Key valuation signals for MEX:WMB:
Days Inventory: 22.99 (52% above median its 10-year median of 15.15)
GF Value™: MXN975.20 vs. price of MXN1,250.00 (28.2% above fair value)
Industry Position: 25.8% below the Oil & Gas median (#284 of 688)
No single metric tells the full story. See the MEX:WMB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Williams operates the Transco pipeline, which connects the Gulf Coast to the Northeast United States. It has additional natural gas transmission pipelines connecting the Rockies to the Pacific Northwest and midcontinent. At the field level, it operates substantial gathering and processing assets in Appalachia and other basins. The company has also struck several power supply agreements.
79GF Score
Get the complete analysis for MEX:WMB
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