RTARF (Restar) Days Inventory: 41.37 (As of Dec. 2025) — Near Median


RTARF Restar Corp RTARF
85 GF Score
Price $14.30
GF Value $11.17
! 6 Warning Signs
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What is Restar Days Inventory?

Restar RTARF 85 Days Inventory is 41.37 as of Dec. 2025, which is 1% above its 10-year median of 40.85. GuruFocus rates RTARF with a GF Score™ of 85/100 and a GF Value™ of $11.17. The stock has 6 warning signs investors should review. Among 983 Semiconductors companies, Restar ranks better than 86.57% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Restar's Average Total Inventories for the three months ended in Dec. 2025 was $423 Mil. Restar's Cost of Goods Sold for the three months ended in Dec. 2025 was $933 Mil. Hence, Restar's Days Inventory for the three months ended in Dec. 2025 was 41.37.

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

RTARF' s Days Inventory Range Over the Past 10 Years
Min: 27.54   Med: 40.85   Max: 57.02
Current: 39.46

During the past 13 years, Restar's highest Days Inventory was 57.02. The lowest was 27.54. And the median was 40.85.

RTARF's Days Inventory is ranked better than
86.57% of 983 companies
in the Semiconductors industry
Industry Median: 111.84 vs RTARF: 39.46

Restar's Days Inventory declined from Dec. 2024 (45.58) to Dec. 2025 (41.37).

Inventory Turnover measures how fast the company turns over its inventory within a year. Restar's Inventory Turnover for the three months ended in Dec. 2025 was 2.21.

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. Restar's Inventory-to-Revenue for the three months ended in Dec. 2025 was 0.42.


Restar  (OTCPK:RTARF) 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.

Restar's Inventory Turnover for the three months ended in Dec. 2025 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.

Restar's Inventory to Revenue for the three months ended in Dec. 2025 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.


Restar Days Inventory Related Terms


Restar Days Inventory Historical Data

* Premium members only.

The historical data trend for Restar'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.

Restar Days Inventory Chart

Restar 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 43.01 55.79 60.57 45.14 40.44

Restar 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 41.86 42.34 42.64 41.37 34.73

RTARF vs NVDA, AVGO, MU: Days Inventory Comparison

For the Semiconductors subindustry, Restar'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.


Restar Days Inventory vs Semiconductors Industry

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

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


RTARF
85GF Score
Restar Corp RTARF
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Restar Days Inventory Calculation

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

Restar'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
=( (379.417 + 426.732) / 2 ) / 3638.027*365
=403.0745 / 3638.027*365
=40.44

Restar's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Sep. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (425.049 + 421.351) / 2 ) / 933.361*365 / 4
=423.2 / 933.361*365 / 4
=41.37

* 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 41.37 mean?
Restar (RTARF) has a Days Inventory of 41.37 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Restar and its competitors. This is near median its historical median of 40.85. Over the past decade, Restar's Days Inventory has ranged from 27.54 to 57.02. According to the industry distribution chart, Restar ranks #132 out of 983 companies in the Semiconductors industry, placing it in the top 13.4%.
Is Restar's Days Inventory too high?
Restar's current Days Inventory of 41.37 is near median its 10-year median of 40.85. Over the past 10 years, this metric has ranged from a low of 27.54 to a high of 57.02. The Semiconductors industry median Days Inventory is 111.84. Restar's value of 41.37 is 63% below this industry median. Based on the distribution chart, Restar ranks #132 out of 983 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Restar has a GF Score™ of 85/100, reflecting its overall financial health beyond just this single metric.
How does Restar's Days Inventory compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Restar ranks #132 out of 983 companies for Days Inventory. This places Restar in the top 13% of its industry — outperforming the majority of peers. The industry median Days Inventory is 111.84. Restar's value of 41.37 is 63% below this benchmark. Historically, Restar's own Days Inventory has ranged from 27.54 to 57.02 over the past decade. While the company's 10-year median is 40.85 vs. the industry median of 111.84, Restar 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 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. Restar's current Days Inventory of 41.37 is 63% 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 Restar 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. Restar's current Days Inventory is 41.37, which is near median its own 10-year median of 40.85. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Restar stock overvalued right now?
Restar (RTARF) has a current Days Inventory of 41.37. The stock's GF Value™ is $11.17, compared to a current price of $14.30 — trading 28% above its estimated fair value. The current Days Inventory is 41.37, which is near median its 10-year median of 40.85 and 63% below the Semiconductors industry median of 111.84. Restar's overall GF Score™ is 85/100 with 6 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 Restar (RTARF), the current Days Inventory is 41.37 as of Dec. 2025. 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 Restar (RTARF) Overvalued in 2026?

Based on GuruFocus' analysis, Restar stock appears to be overvalued. The current stock price of $14.30 is trading 28% above its estimated GF Value™ of $11.17.

Key valuation signals for RTARF:

  • Days Inventory: 41.37 (near median its 10-year median of 40.85)
  • GF Value™: $11.17 vs. price of $14.30 (28% above fair value)
  • GF Score™: 85/100 with 6 warning signs
  • Industry Position: 63% below the Semiconductors median (#132 of 983)

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


Restar Business Description

Other Exchanges 3156:Japan
Address Lester Building, 10-9 Konan 2-chome, Minato-ku, Tokyo, JPN, 108-0075
Restar Corp manufactures and distributes semiconductors and electronic components. The company offers semiconductors/modules, optical components, displays, industrial lasers, sensors, measuring instruments/filters, batteries, quartz crystal devices, adhesive materials/optical materials, and speakers/receivers. It also provides electronic manufacturing services.
85GF Score

Get the complete analysis for RTARF

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

$14.30
Price
$11.17
GF Value