ATEYY (Advantest) Days Inventory: 195.43 (As of Mar. 2026) — Near Median


ATEYY Advantest Corp ATEYY
88 GF Score
Price $200.74
GF Value $103.87
Valuation Significantly Overvalued
! 5 Warning Signs
View Full Analysis

What is Advantest Days Inventory?

Advantest ATEYY -7.17% 88 Days Inventory is 195.43 as of Mar. 2026, which is 4% above its 10-year median of 188.63. GuruFocus rates ATEYY with a GF Score™ of 88/100 and a GF Value™ of $103.87 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 983 Semiconductors companies, Advantest ranks worse than 77.21% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Advantest's Average Total Inventories for the three months ended in Mar. 2026 was $1,444 Mil. Advantest's Cost of Goods Sold for the three months ended in Mar. 2026 was $674 Mil. Hence, Advantest's Days Inventory for the three months ended in Mar. 2026 was 195.43.

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

ATEYY' s Days Inventory Range Over the Past 10 Years
Min: 151.67   Med: 188.63   Max: 283.43
Current: 196.45

During the past 13 years, Advantest's highest Days Inventory was 283.43. The lowest was 151.67. And the median was 188.63.

ATEYY's Days Inventory is ranked worse than
77.21% of 983 companies
in the Semiconductors industry
Industry Median: 111.84 vs ATEYY: 196.45

Advantest's Days Inventory declined from Mar. 2025 (203.78) to Mar. 2026 (195.43).

Inventory Turnover measures how fast the company turns over its inventory within a year. Advantest's Inventory Turnover for the three months ended in Mar. 2026 was 0.47.

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. Advantest's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.70.


Advantest  (OTCPK:ATEYY) 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.

Advantest'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.

Advantest'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.


Advantest Days Inventory Related Terms


Advantest Days Inventory Historical Data

* Premium members only.

The historical data trend for Advantest'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.

Advantest Days Inventory Chart

Advantest Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 166.57 209.03 298.94 225.28 206.29

Advantest 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 203.78 204.28 194.88 194.58 195.43

ATEYY vs LRCX, AMAT, KLAC: Days Inventory Comparison

For the Semiconductor Equipment & Materials subindustry, Advantest'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.


Advantest Days Inventory vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Advantest's Days Inventory distribution charts can be found below:

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


ATEYY
88GF Score
Advantest Corp ATEYY
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Advantest Days Inventory Calculation

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

Advantest's Days Inventory for the fiscal year that ended in Mar. 2026 is calculated as

Days Inventory (A: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Mar. 2025 ) + Total Inventories (A: Mar. 2026 )) / count ) / Cost of Goods Sold (A: Mar. 2026 )*Days in Period
=( (1406.886 + 1460.26) / 2 ) / 2536.528*365
=1433.573 / 2536.528*365
=206.29

Advantest'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
=( (1426.829 + 1460.26) / 2 ) / 674.005*365 / 4
=1443.5445 / 674.005*365 / 4
=195.43

* 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 195.43 mean?
Advantest (ATEYY) has a Days Inventory of 195.43 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Advantest and its competitors. This is near median its historical median of 188.63. Over the past decade, Advantest's Days Inventory has ranged from 151.67 to 283.43. According to the industry distribution chart, Advantest ranks #759 out of 983 companies in the Semiconductors industry, placing it in the top 77.2%.
Is Advantest's Days Inventory too high?
Advantest's current Days Inventory of 195.43 is near median its 10-year median of 188.63. Over the past 10 years, this metric has ranged from a low of 151.67 to a high of 283.43. The Semiconductors industry median Days Inventory is 111.84. Advantest's value of 195.43 is 74.7% above this industry median. Based on the distribution chart, Advantest ranks #759 out of 983 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Advantest has a GF Score™ of 88/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Advantest's Days Inventory compare to LRCX and AMAT?
According to the Semiconductors industry distribution chart, Advantest ranks #759 out of 983 companies for Days Inventory. This places Advantest in the lower half of its industry. The industry median Days Inventory is 111.84. Advantest's value of 195.43 is 74.7% above this benchmark. Historically, Advantest's own Days Inventory has ranged from 151.67 to 283.43 over the past decade. While the company's 10-year median is 188.63 vs. the industry median of 111.84, Advantest 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 a Semiconductors company?
The median Days Inventory among Semiconductors companies is 111.84, based on 983 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. Advantest's current Days Inventory of 195.43 is 74.7% 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 Advantest and its competitors. For the Semiconductors industry, the median Days Inventory is 111.84 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Advantest's current Days Inventory is 195.43, which is near median its own 10-year median of 188.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Advantest stock overvalued right now?
Based on GuruFocus' analysis, Advantest (ATEYY) is currently considered Significantly Overvalued. The stock's GF Value™ is $103.87, compared to a current price of $200.74 — trading 93.3% above its estimated fair value. The current Days Inventory is 195.43, which is near median its 10-year median of 188.63 and 74.7% above the Semiconductors industry median of 111.84. Advantest's overall GF Score™ is 88/100 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 Advantest (ATEYY), the current Days Inventory is 195.43 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 Advantest (ATEYY) Overvalued in 2026?

Based on GuruFocus' analysis, Advantest stock appears to be overvalued. The current stock price of $200.74 is trading 93.3% above its estimated GF Value™ of $103.87. GuruFocus considers Advantest to be Significantly Overvalued.

Key valuation signals for ATEYY:

  • Days Inventory: 195.43 (near median its 10-year median of 188.63)
  • GF Value™: $103.87 vs. price of $200.74 (93.3% above fair value)
  • GF Score™: 88/100 with 5 warning signs
  • Industry Position: 74.7% above the Semiconductors median (#759 of 983)

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


Advantest Business Description

Address 1-6-2, Marunouchi, Shin-Marunouchi Center Building, Chiyoda-ku, Tokyo, JPN, 100-0005
Founded in 1954 and headquartered in Tokyo, Advantest specializes in semiconductor test systems and is a well-known leader in automated test equipment, or ATE. Advantest also has a high market share in test systems for nonmemory semiconductors, including application processors for mobile phones. The company is also involved in peripheral businesses, such as semiconductor device transport equipment. Following its acquisition of Verigy in July 2011, Advantest holds a market share of over 50% in the ATE market.
88GF Score

Get the complete analysis for ATEYY

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

$200.74
Price
$103.87
GF Value