ATI (ATI) Days Inventory: 153.19 (As of Mar. 2026) — 13% Above Median


ATI ATI Inc ATI
70 GF Score
Price $197.40
GF Value $69.32
Valuation Significantly Overvalued
! 5 Warning Signs
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What is ATI Days Inventory?

ATI ATI -1.05% 70 Days Inventory is 153.19 as of Mar. 2026, which is 13% above its 10-year median of 135.20. GuruFocus rates ATI with a GF Score™ of 70/100 and a GF Value™ of $69.32 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 2,969 Industrial Products companies, ATI ranks worse than 61.17% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). ATI's Average Total Inventories for the three months ended in Mar. 2026 was $1,492 Mil. ATI's Cost of Goods Sold for the three months ended in Mar. 2026 was $889 Mil. Hence, ATI's Days Inventory for the three months ended in Mar. 2026 was 153.19.

The historical rank and industry rank for ATI's Days Inventory or its related term are showing as below:

ATI' s Days Inventory Range Over the Past 10 Years
Min: 123.94   Med: 135.2   Max: 151.19
Current: 147.6

During the past 13 years, ATI's highest Days Inventory was 151.19. The lowest was 123.94. And the median was 135.20.

ATI's Days Inventory is ranked worse than
61.17% of 2969 companies
in the Industrial Products industry
Industry Median: 119.47 vs ATI: 147.60

ATI's Days Inventory increased from Mar. 2025 (138.09) to Mar. 2026 (153.19). It might indicate that ATI's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. ATI's Inventory Turnover for the three months ended in Mar. 2026 was 0.60.

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. ATI's Inventory-to-Revenue for the three months ended in Mar. 2026 was 1.30.


ATI  (NYSE:ATI) 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.

ATI'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.

ATI'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.


ATI Days Inventory Related Terms


ATI Days Inventory Historical Data

* Premium members only.

The historical data trend for ATI'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.

ATI Days Inventory Chart

ATI 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 151.19 131.07 132.27 137.01 140.49

ATI 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 138.09 142.76 147.76 141.81 153.19

ATI vs CRS, MLI, CMC: Days Inventory Comparison

For the Metal Fabrication subindustry, ATI'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.


ATI Days Inventory vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, ATI's Days Inventory distribution charts can be found below:

* The bar in red indicates where ATI's Days Inventory falls into.


ATI
70GF Score
ATI Inc ATI
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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ATI Days Inventory Calculation

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

ATI'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
=( (1353 + 1403.2) / 2 ) / 3580.4*365
=1378.1 / 3580.4*365
=140.49

ATI'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
=( (1403.2 + 1580.3) / 2 ) / 888.6*365 / 4
=1491.75 / 888.6*365 / 4
=153.19

* 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 153.19 mean?
ATI (ATI) has a Days Inventory of 153.19 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on ATI and its competitors. This is 13% above median its historical median of 135.20. Over the past decade, ATI's Days Inventory has ranged from 123.94 to 151.19. According to the industry distribution chart, ATI ranks #1816 out of 2969 companies in the Industrial Products industry, placing it in the top 61.2%.
Is ATI's Days Inventory too high?
ATI's current Days Inventory of 153.19 is 13% above median its 10-year median of 135.20. Over the past 10 years, this metric has ranged from a low of 123.94 to a high of 151.19. The Industrial Products industry median Days Inventory is 119.47. ATI's value of 153.19 is 28.2% above this industry median. Based on the distribution chart, ATI ranks #1816 out of 2969 companies in the Industrial Products industry, which is below the industry midpoint. Overall, ATI has a GF Score™ of 70/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does ATI's Days Inventory compare to CRS and MLI?
According to the Industrial Products industry distribution chart, ATI ranks #1816 out of 2969 companies for Days Inventory. This places ATI in the lower half of its industry. The industry median Days Inventory is 119.47. ATI's value of 153.19 is 28.2% above this benchmark. Historically, ATI's own Days Inventory has ranged from 123.94 to 151.19 over the past decade. While the company's 10-year median is 135.20 vs. the industry median of 119.47, ATI 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 Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.47, based on 2,969 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. ATI's current Days Inventory of 153.19 is 28.2% 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 ATI and its competitors. For the Industrial Products industry, the median Days Inventory is 119.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ATI's current Days Inventory is 153.19, which is 13% above median its own 10-year median of 135.20. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ATI stock overvalued right now?
Based on GuruFocus' analysis, ATI (ATI) is currently considered Significantly Overvalued. The stock's GF Value™ is $69.32, compared to a current price of $197.40 — trading 184.8% above its estimated fair value. The current Days Inventory is 153.19, which is 13% above median its 10-year median of 135.20 and 28.2% above the Industrial Products industry median of 119.47. ATI's overall GF Score™ is 70/100 with 5 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 ATI (ATI), the current Days Inventory is 153.19 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 ATI (ATI) Overvalued in 2026?

Based on GuruFocus' analysis, ATI stock appears to be overvalued. The current stock price of $197.40 is trading 184.8% above its estimated GF Value™ of $69.32. GuruFocus considers ATI to be Significantly Overvalued.

Key valuation signals for ATI:

  • Days Inventory: 153.19 (13% above median its 10-year median of 135.20)
  • GF Value™: $69.32 vs. price of $197.40 (184.8% above fair value)
  • GF Score™: 70/100 with 5 warning signs
  • Industry Position: 28.2% above the Industrial Products median (#1816 of 2969)

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


ATI Business Description

Other Exchanges ATI:MexicoATD:Germany
Address 2021 McKinney Avenue, Dallas, TX, USA, 75201
ATI Inc supplies specialty metals to various end markets, including aerospace and defense, oil and gas, automotive, and electrical energy, among many others. The company's operating segment includes High-Performance Materials and Components and Advanced Alloys and Solutions. The majority of revenue is from the High-Performance Materials segment. The High-Performance Materials segment is focused on a wide range of high-performance specialty materials, parts, and components for several the majority of end markets, including the aerospace & defense, medical, and energy markets. Geographically, it operates in the United States, China, the United Kingdom, Germany, France, Canada, and Others, the majority is from the United States.
70GF Score

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

$197.40
Price
$69.32
GF Value