Patterson-UTI Energy (STU:PE1) Days Inventory: 13.20 (As of Mar. 2026) — 66% Above Median

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STU:PE1 Patterson-UTI Energy Inc STU:PE1
66 GF Score
Price €8.56
GF Value €6.98
Valuation Modestly Overvalued
! 3 Warning Signs
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What is Patterson-UTI Energy Days Inventory?

Patterson-UTI Energy STU:PE1 -0.47% 66 Days Inventory is 13.20 as of Mar. 2026, which is 66% above its 10-year median of 7.93. GuruFocus rates STU:PE1 with a GF Score™ of 66/100 and a GF Value™ of €6.98 (Modestly Overvalued). The stock has 3 warning signs investors should review. Among 685 Oil & Gas companies, Patterson-UTI Energy ranks better than 72.7% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Patterson-UTI Energy's Average Total Inventories for the three months ended in Mar. 2026 was €134 Mil. Patterson-UTI Energy's Cost of Goods Sold for the three months ended in Mar. 2026 was €923 Mil. Hence, Patterson-UTI Energy's Days Inventory for the three months ended in Mar. 2026 was 13.20.

The historical rank and industry rank for Patterson-UTI Energy's Days Inventory or its related term are showing as below:

STU:PE1' s Days Inventory Range Over the Past 10 Years
Min: 4.84   Med: 7.93   Max: 13.03
Current: 13.03

During the past 13 years, Patterson-UTI Energy's highest Days Inventory was 13.03. The lowest was 4.84. And the median was 7.93.

STU:PE1's Days Inventory is ranked better than
72.7% of 685 companies
in the Oil & Gas industry
Industry Median: 30.99 vs STU:PE1: 13.03

Patterson-UTI Energy's Days Inventory increased from Mar. 2025 (13.01) to Mar. 2026 (13.20). It might indicate that Patterson-UTI Energy's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Patterson-UTI Energy's Inventory Turnover for the three months ended in Mar. 2026 was 6.91.

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. Patterson-UTI Energy's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.14.


Patterson-UTI Energy  (STU:PE1) 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.

Patterson-UTI Energy'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.

Patterson-UTI Energy'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.


Patterson-UTI Energy Days Inventory Related Terms


Patterson-UTI Energy Days Inventory Historical Data

* Premium members only.

The historical data trend for Patterson-UTI Energy'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.

Patterson-UTI Energy Days Inventory Chart

Patterson-UTI Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6.91 8.23 12.78 12.21 13.78

Patterson-UTI Energy Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 13.01 13.12 13.14 13.19 13.20

STU:PE1 vs HP, SDRL, VAL: Days Inventory Comparison

For the Oil & Gas Drilling subindustry, Patterson-UTI Energy'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.


Patterson-UTI Energy Days Inventory vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Patterson-UTI Energy's Days Inventory distribution charts can be found below:

* The bar in red indicates where Patterson-UTI Energy's Days Inventory falls into.


STU:PE1
66GF Score
Patterson-UTI Energy Inc STU:PE1
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Patterson-UTI Energy Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Patterson-UTI Energy's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (159.507 + 136.879) / 2 ) / 3925.638*365
=148.193 / 3925.638*365
=13.78

Patterson-UTI Energy's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (136.879 + 130.262) / 2 ) / 923.43*365 / 4
=133.5705 / 923.43*365 / 4
=13.20

* 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.

Frequently Asked Questions Learn more about Days Inventory →
What does a Days Inventory of 13.20 mean?
Patterson-UTI Energy (STU:PE1) has a Days Inventory of 13.20 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Patterson-UTI Energy and its competitors. This is 66% above median its historical median of 7.93. Over the past decade, Patterson-UTI Energy's Days Inventory has ranged from 4.84 to 13.03. According to the industry distribution chart, Patterson-UTI Energy ranks #187 out of 685 companies in the Oil & Gas industry, placing it in the top 27.3%.
Is Patterson-UTI Energy's Days Inventory too high?
Patterson-UTI Energy's current Days Inventory of 13.20 is 66% above median its 10-year median of 7.93. Over the past 10 years, this metric has ranged from a low of 4.84 to a high of 13.03. The Oil & Gas industry median Days Inventory is 30.99. Patterson-UTI Energy's value of 13.20 is 57.4% below this industry median. Based on the distribution chart, Patterson-UTI Energy ranks #187 out of 685 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Patterson-UTI Energy has a GF Score™ of 66/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Patterson-UTI Energy's Days Inventory compare to HP and SDRL?
According to the Oil & Gas industry distribution chart, Patterson-UTI Energy ranks #187 out of 685 companies for Days Inventory. This puts Patterson-UTI Energy in the upper half of its industry. The industry median Days Inventory is 30.99. Patterson-UTI Energy's value of 13.20 is 57.4% below this benchmark. Historically, Patterson-UTI Energy's own Days Inventory has ranged from 4.84 to 13.03 over the past decade. While the company's 10-year median is 7.93 vs. the industry median of 30.99, Patterson-UTI Energy 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 30.99, based on 685 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. Patterson-UTI Energy's current Days Inventory of 13.20 is 57.4% 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 Patterson-UTI Energy and its competitors. For the Oil & Gas industry, the median Days Inventory is 30.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Patterson-UTI Energy's current Days Inventory is 13.20, which is 66% above median its own 10-year median of 7.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Patterson-UTI Energy stock overvalued right now?
Based on GuruFocus' analysis, Patterson-UTI Energy (STU:PE1) is currently considered Modestly Overvalued. The stock's GF Value™ is €6.98, compared to a current price of €8.56 — trading 22.6% above its estimated fair value. The current Days Inventory is 13.20, which is 66% above median its 10-year median of 7.93 and 57.4% below the Oil & Gas industry median of 30.99. Patterson-UTI Energy's overall GF Score™ is 66/100 with 3 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 Patterson-UTI Energy (STU:PE1), the current Days Inventory is 13.20 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 Patterson-UTI Energy (STU:PE1) Overvalued in 2026?

Based on GuruFocus' analysis, Patterson-UTI Energy stock appears to be overvalued. The current stock price of €8.56 is trading 22.6% above its estimated GF Value™ of €6.98. GuruFocus considers Patterson-UTI Energy to be Modestly Overvalued.

Key valuation signals for STU:PE1:

  • Days Inventory: 13.20 (66% above median its 10-year median of 7.93)
  • GF Value™: €6.98 vs. price of €8.56 (22.6% above fair value)
  • GF Score™: 66/100 with 3 warning signs
  • Industry Position: 57.4% below the Oil & Gas median (#187 of 685)

No single metric tells the full story. See the STU:PE1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Patterson-UTI Energy Business Description

Industry EnergyOil & Gas
Other Exchanges PTEN:USA
Address 10713 West Sam Houston Parkway North, Suite 800, Houston, TX, USA, 77064
Patterson-UTI Energy Inc is a Texas based provider of drilling and completion services to oil and natural gas exploration and production companies, offering contract drilling, integrated well completion, directional drilling services, and specialized drill bit solutions. The Company operates through three segments: Drilling Services, Completion Services, and Drilling Products. Drilling Services includes contract and directional drilling, Completion Services generates maximum revenue and includes hydraulic fracturing and related support services, and Drilling Products includes the manufacturing and distribution of drill bits. The Company operates in the United States, Canada, Colombia, and Other Countries, with the majority of revenue coming from the United States.
66GF Score

Get the complete analysis for STU:PE1

Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€8.56
Price
€6.98
GF Value