Pinnacle West CapitalSTU:PWC -0.75%77 Days Inventory is 71.70 as of Mar. 2026, which is 20% above its 10-year median of 59.66. GuruFocus rates STU:PWC with a GF Score™ of 77/100 and a GF Value™ of €78.08. The stock has 14 warning signs investors should review. Among 453 Utilities - Regulated companies, Pinnacle West Capital ranks worse than 80.13% on this metric.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Pinnacle West Capital's Inventory Turnover for the
three
months ended in Mar. 2026 was 1.27.
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.
Pinnacle West Capital's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.49.
Pinnacle West Capital (STU:PWC) 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.
Pinnacle West Capital'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.
Pinnacle West Capital'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.
Pinnacle West Capital Days Inventory Related Terms
Pinnacle West Capital Days Inventory Historical Data
* Premium members only.
The historical data trend for Pinnacle West Capital'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.
STU:PWC vs OGE, IDA, TXNM: Days Inventory Comparison
For the Utilities - Regulated Electric subindustry, Pinnacle West Capital'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.
Pinnacle West Capital Days Inventory vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Pinnacle West Capital's Days Inventory distribution charts can be found below:
* The bar in red indicates where Pinnacle West Capital'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.
Pinnacle West Capital (STU:PWC) has a Days Inventory of 71.70 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Pinnacle West Capital and its competitors. This is 20% above median its historical median of 59.66. Over the past decade, Pinnacle West Capital's Days Inventory has ranged from 50.39 to 63.59. According to the industry distribution chart, Pinnacle West Capital ranks #363 out of 453 companies in the Utilities - Regulated industry, placing it in the top 80.1%.
Is Pinnacle West Capital's Days Inventory too high?
Pinnacle West Capital's current Days Inventory of 71.70 is 20% above median its 10-year median of 59.66. Over the past 10 years, this metric has ranged from a low of 50.39 to a high of 63.59. The Utilities - Regulated industry median Days Inventory is 22.51. Pinnacle West Capital's value of 71.70 is 218.5% above this industry median. Based on the distribution chart, Pinnacle West Capital ranks #363 out of 453 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Pinnacle West Capital has a GF Score™ of 77/100, reflecting its overall financial health beyond just this single metric.
How does Pinnacle West Capital's Days Inventory compare to OGE and IDA?
According to the Utilities - Regulated industry distribution chart, Pinnacle West Capital ranks #363 out of 453 companies for Days Inventory. This places Pinnacle West Capital in the lower half of its industry. The industry median Days Inventory is 22.51. Pinnacle West Capital's value of 71.70 is 218.5% above this benchmark. Historically, Pinnacle West Capital's own Days Inventory has ranged from 50.39 to 63.59 over the past decade. While the company's 10-year median is 59.66 vs. the industry median of 22.51, Pinnacle West Capital has consistently been above 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 Utilities - Regulated company?
The median Days Inventory among Utilities - Regulated companies is 22.51, based on 453 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. Pinnacle West Capital's current Days Inventory of 71.70 is 218.5% above 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 Pinnacle West Capital and its competitors. For the Utilities - Regulated industry, the median Days Inventory is 22.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Pinnacle West Capital's current Days Inventory is 71.70, which is 20% above median its own 10-year median of 59.66. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Pinnacle West Capital stock overvalued right now?
Pinnacle West Capital (STU:PWC) has a current Days Inventory of 71.70. The stock's GF Value™ is €78.08, compared to a current price of €94.88 — trading 21.5% above its estimated fair value. The current Days Inventory is 71.70, which is 20% above median its 10-year median of 59.66 and 218.5% above the Utilities - Regulated industry median of 22.51. Pinnacle West Capital's overall GF Score™ is 77/100 with 14 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 Pinnacle West Capital (STU:PWC), the current Days Inventory is 71.70 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 Pinnacle West Capital (STU:PWC) Overvalued in 2026?
Based on GuruFocus' analysis, Pinnacle West Capital stock appears to be overvalued.
The current stock price of €94.88 is trading 21.5% above its estimated GF Value™ of €78.08.
Key valuation signals for STU:PWC:
Days Inventory: 71.70 (20% above median its 10-year median of 59.66)
GF Value™: €78.08 vs. price of €94.88 (21.5% above fair value)
Industry Position: 218.5% above the Utilities - Regulated median (#363 of 453)
No single metric tells the full story. See the STU:PWC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Pinnacle West is a holding company whose principal subsidiary is Arizona Public Service, a vertically integrated electric utility serving approximately 1.4 million customers across a 35,000-square-mile territory in central Arizona, including the Phoenix area. APS owns or leases 6.5 gigawatts of power generation capacity, including a 29% ownership stake in one of the largest nuclear plants in the US, Palo Verde. Half of the electricity that APS supplies to customers comes from clean energy sources, including nuclear.
77GF Score
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