Sigma Koki Co (TSE:7713) Days Inventory: 0.00 (As of Nov. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TSE:7713 Sigma Koki Co Ltd TSE:7713
85 GF Score
Price 円2,105.00
GF Value 円1,643.05
Valuation Modestly Overvalued
! 2 Warning Signs
View Full Analysis

What is Sigma Koki Co Days Inventory?

Sigma Koki Co TSE:7713 +4.94% 85 Days Inventory is 0.00 as of Nov. 2025. GuruFocus rates TSE:7713 with a GF Score™ of 85/100 and a GF Value™ of 円1,643.05 (Modestly Overvalued). The stock has 2 warning signs investors should review. Among 2,419 Hardware companies, Sigma Koki Co ranks worse than 93.59% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Sigma Koki Co's Average Total Inventories for the three months ended in Nov. 2025 was 円3,015 Mil. Sigma Koki Co's Cost of Goods Sold for the three months ended in Nov. 2025 was 円0 Mil.

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

TSE:7713' s Days Inventory Range Over the Past 10 Years
Min: 143.77   Med: 160.72   Max: 334.65
Current: 334.65

During the past 13 years, Sigma Koki Co's highest Days Inventory was 334.65. The lowest was 143.77. And the median was 160.72.

TSE:7713's Days Inventory is ranked worse than
93.59% of 2419 companies
in the Hardware industry
Industry Median: 94.24 vs TSE:7713: 334.65

Sigma Koki Co's Days Inventory declined from May. 2024 (162.22) to Nov. 2025 (0.00).

Inventory Turnover measures how fast the company turns over its inventory within a year. Sigma Koki Co's Inventory Turnover for the three months ended in Nov. 2025 was 0.00.

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.


Sigma Koki Co  (TSE:7713) 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.

Sigma Koki Co's Inventory Turnover for the three months ended in Nov. 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.

Sigma Koki Co's Inventory to Revenue for the three months ended in Nov. 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.


Sigma Koki Co Days Inventory Related Terms


Sigma Koki Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Sigma Koki Co'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.

Sigma Koki Co Days Inventory Chart

Sigma Koki Co Annual Data
Trend May16 May17 May18 May19 May20 May21 May22 May23 May24 May25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 156.22 143.77 156.80 165.75 150.15

Sigma Koki Co Quarterly Data
Nov20 Feb21 May21 Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24 May24 Nov24 May25 Aug25 Nov25 Feb26
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 0.00 0.00 172.14 0.00 162.88

TSE:7713 vs APH, GLW: Days Inventory Comparison

For the Electronic Components subindustry, Sigma Koki Co'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.


Sigma Koki Co Days Inventory vs Hardware Industry

For the Hardware industry and Technology sector, Sigma Koki Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Sigma Koki Co's Days Inventory falls into.


TSE:7713
85GF Score
Sigma Koki Co Ltd TSE:7713
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sigma Koki Co Days Inventory Calculation

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

Sigma Koki Co's Days Inventory for the fiscal year that ended in May. 2025 is calculated as

Days Inventory (A: May. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: May. 2024 ) + Total Inventories (A: May. 2025 )) / count ) / Cost of Goods Sold (A: May. 2025 )*Days in Period
=( (3008.273 + 2960.446) / 2 ) / 7254.685*365
=2984.3595 / 7254.685*365
=150.15

Sigma Koki Co's Days Inventory for the quarter that ended in Nov. 2025 is calculated as:

Days Inventory (Q: Nov. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Aug. 2025 ) + Total Inventories (Q: Nov. 2025 )) / count ) / Cost of Goods Sold (Q: Nov. 2025 )*Days in Period
=( (3046.95 + 2983.709) / 2 ) / 0*365 / 4
=3015.3295 / 0*365 / 4
=N/A

* 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 0.00 mean?
Sigma Koki Co (TSE:7713) has a Days Inventory of 0.00 as of Nov. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Sigma Koki Co and its competitors. Over the past decade, Sigma Koki Co's Days Inventory has ranged from 143.77 to 334.65. According to the industry distribution chart, Sigma Koki Co ranks #2264 out of 2419 companies in the Hardware industry, placing it in the top 93.6%.
Is Sigma Koki Co's Days Inventory too high?
Sigma Koki Co's current Days Inventory is 0.00. Over the past 10 years, this metric has ranged from a low of 143.77 to a high of 334.65. Based on the distribution chart, Sigma Koki Co ranks #2264 out of 2419 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Sigma Koki Co has a GF Score™ of 85/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sigma Koki Co's Days Inventory compare to APH and GLW?
According to the Hardware industry distribution chart, Sigma Koki Co ranks #2264 out of 2419 companies for Days Inventory. This places Sigma Koki Co in the lower half of its industry. The industry median Days Inventory is 94.24. Historically, Sigma Koki Co's own Days Inventory has ranged from 143.77 to 334.65 over the past decade. 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 Hardware company?
The median Days Inventory among Hardware companies is 94.24, based on 2,419 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. 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 Sigma Koki Co and its competitors. For the Hardware industry, the median Days Inventory is 94.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sigma Koki Co's current Days Inventory is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sigma Koki Co stock overvalued right now?
Based on GuruFocus' analysis, Sigma Koki Co (TSE:7713) is currently considered Modestly Overvalued. The stock's GF Value™ is 円1,643.05, compared to a current price of 円2,105.00 — trading 28.1% above its estimated fair value. The current Days Inventory is 0.00. Sigma Koki Co's overall GF Score™ is 85/100 with 2 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 Sigma Koki Co (TSE:7713), the current Days Inventory is 0.00 as of Nov. 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 Sigma Koki Co (TSE:7713) Overvalued in 2026?

Based on GuruFocus' analysis, Sigma Koki Co stock appears to be overvalued. The current stock price of 円2,105.00 is trading 28.1% above its estimated GF Value™ of 円1,643.05. GuruFocus considers Sigma Koki Co to be Modestly Overvalued.

Key valuation signals for TSE:7713:

  • Days Inventory: 0.00
  • GF Value™: 円1,643.05 vs. price of 円2,105.00 (28.1% above fair value)
  • GF Score™: 85/100 with 2 warning signs

No single metric tells the full story. See the TSE:7713 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Sigma Koki Co Business Description

Address Saitama Prefecture, Takahi Hagi Shinda 17-2, Hidaka, JPN, 350-1297
Sigma Koki Co Ltd is engaged in the design, production, and sale of optical, CD, DVD, laser printers, bar code readers and laser processing machine that uses laser light as a medium to carry information and energy. Its products include Mirror, beam splitter, filter, lens, prism, polarizer, automatic position/attitude determination device, optical measuring/control device, measurement/control software, Laser direct writing device, high-speed fine laser processing machine.
85GF Score

Get the complete analysis for TSE:7713

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

円2,105.00
Price
円1,643.05
GF Value