Writeup CoTSE:6580 +0.47%67 Days Inventory is 2.05 as of Mar. 2026, which is 70% below its 10-year median of 6.88. GuruFocus rates TSE:6580 with a GF Score™ of 67/100 and a GF Value™ of 円1,488.22 (Significantly Undervalued). The stock has 3 warning signs investors should review. Among 673 Business Services companies, Writeup Co ranks better than 82.02% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Writeup Co's Average Total Inventories for the
six
months ended in Mar. 2026 was 円3 Mil. Writeup Co's Cost of Goods Sold for the
six
months ended in Mar. 2026 was 円266 Mil.
Hence, Writeup Co's Days Inventory for the
six
months ended in Mar. 2026 was 2.05.
The historical rank and industry rank for Writeup Co's Days Inventory or its related term are showing as below:
TSE:6580'
s Days Inventory Range Over the Past 10 Years
Min: 2.31 Med: 6.88 Max: 46.76
Current: 2.58
During the past 11 years, Writeup Co's highest Days Inventory was 46.76. The lowest was 2.31. And the median was 6.88.
TSE:6580's Days Inventory is ranked better than 82.02% of 673
companies
in the Business Services industry
Industry Median: 25.28
vs TSE:6580: 2.58
Writeup Co's Days Inventory
declined
from Mar. 2025 (9.59) to Mar. 2026 (2.05).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Writeup Co's Inventory Turnover for the
six
months ended in Mar. 2026 was 88.97.
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.
Writeup Co's Inventory-to-Revenue for the
six
months ended in Mar. 2026 was 0.00.
Writeup Co (TSE:6580) 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.
Writeup Co's Inventory Turnover for the
six
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.
Writeup Co's Inventory to Revenue for the
six
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.
Writeup Co Days Inventory Related Terms
Writeup Co Days Inventory Historical Data
* Premium members only.
The historical data trend for Writeup 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.
TSE:6580 vs CTAS, CPRT, ULS: Days Inventory Comparison
For the Specialty Business Services subindustry, Writeup 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.
Writeup Co Days Inventory vs Business Services Industry
For the Business Services industry and Industrials sector, Writeup Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Writeup Co'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.
Writeup Co (TSE:6580) has a Days Inventory of 2.05 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Writeup Co and its competitors. This is 70% below median its historical median of 6.88. Over the past decade, Writeup Co's Days Inventory has ranged from 2.31 to 46.76. According to the industry distribution chart, Writeup Co ranks #121 out of 673 companies in the Business Services industry, placing it in the top 18%.
Is Writeup Co's Days Inventory too high?
Writeup Co's current Days Inventory of 2.05 is 70% below median its 10-year median of 6.88. Over the past 10 years, this metric has ranged from a low of 2.31 to a high of 46.76. The Business Services industry median Days Inventory is 25.28. Writeup Co's value of 2.05 is 91.9% below this industry median. Based on the distribution chart, Writeup Co ranks #121 out of 673 companies in the Business Services industry, which is in the top quartile — a strong position relative to peers. Overall, Writeup Co has a GF Score™ of 67/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Writeup Co's Days Inventory compare to CTAS and CPRT?
According to the Business Services industry distribution chart, Writeup Co ranks #121 out of 673 companies for Days Inventory. This places Writeup Co in the top 18% of its industry — outperforming the majority of peers. The industry median Days Inventory is 25.28. Writeup Co's value of 2.05 is 91.9% below this benchmark. Historically, Writeup Co's own Days Inventory has ranged from 2.31 to 46.76 over the past decade. While the company's 10-year median is 6.88 vs. the industry median of 25.28, Writeup Co 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 Business Services company?
The median Days Inventory among Business Services companies is 25.28, based on 673 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. Writeup Co's current Days Inventory of 2.05 is 91.9% 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 Writeup Co and its competitors. For the Business Services industry, the median Days Inventory is 25.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Writeup Co's current Days Inventory is 2.05, which is 70% below median its own 10-year median of 6.88. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Writeup Co stock overvalued right now?
Based on GuruFocus' analysis, Writeup Co (TSE:6580) is currently considered Significantly Undervalued. The stock's GF Value™ is 円1,488.22, compared to a current price of 円850.00 — trading 42.9% below its estimated fair value. The current Days Inventory is 2.05, which is 70% below median its 10-year median of 6.88 and 91.9% below the Business Services industry median of 25.28. Writeup Co's overall GF Score™ is 67/100 with 3 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 Writeup Co (TSE:6580), the current Days Inventory is 2.05 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 Writeup Co (TSE:6580) Overvalued in 2026?
Based on GuruFocus' analysis, Writeup Co stock appears to be undervalued.
The current stock price of 円850.00 is trading 42.9% below its estimated GF Value™ of 円1,488.22.
GuruFocus considers Writeup Co to be Significantly Undervalued.
Key valuation signals for TSE:6580:
Days Inventory: 2.05 (70% below median its 10-year median of 6.88)
GF Value™: 円1,488.22 vs. price of 円850.00 (42.9% below fair value)
Industry Position: 91.9% below the Business Services median (#121 of 673)
No single metric tells the full story. See the TSE:6580 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Writeup Co Ltd provides support services. The company's offers services such as J engine management support service, J value up employee training service, mail magazine editorial service, content writing service, and other related services.
67GF Score
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