Rock Field Co (TSE:2910) Days Inventory: 19.19 (As of Apr. 2026) — 37% Above Median

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:2910 Rock Field Co Ltd TSE:2910
71 GF Score
Price 円1,345.00
GF Value 円1,517.97
Valuation Modestly Undervalued
! 4 Warning Signs
View Full Analysis

What is Rock Field Co Days Inventory?

Rock Field Co TSE:2910 -0.44% 71 Days Inventory is 19.19 as of Apr. 2026, which is 37% above its 10-year median of 13.98. GuruFocus rates TSE:2910 with a GF Score™ of 71/100 and a GF Value™ of 円1,517.97 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 1,870 Consumer Packaged Goods companies, Rock Field Co ranks better than 95.51% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Rock Field Co's Average Total Inventories for the three months ended in Apr. 2026 was 円1,059 Mil. Rock Field Co's Cost of Goods Sold for the three months ended in Apr. 2026 was 円5,032 Mil. Hence, Rock Field Co's Days Inventory for the three months ended in Apr. 2026 was 19.19.

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

TSE:2910' s Days Inventory Range Over the Past 10 Years
Min: 10.37   Med: 13.98   Max: 18.28
Current: 18

During the past 13 years, Rock Field Co's highest Days Inventory was 18.28. The lowest was 10.37. And the median was 13.98.

TSE:2910's Days Inventory is ranked better than
95.51% of 1870 companies
in the Consumer Packaged Goods industry
Industry Median: 82.945 vs TSE:2910: 18.00

Rock Field Co's Days Inventory increased from Apr. 2025 (17.57) to Apr. 2026 (19.19). It might indicate that Rock Field Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Rock Field Co's Inventory Turnover for the three months ended in Apr. 2026 was 4.75.

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. Rock Field Co's Inventory-to-Revenue for the three months ended in Apr. 2026 was 0.09.


Rock Field Co  (TSE:2910) 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.

Rock Field Co's Inventory Turnover for the three months ended in Apr. 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.

Rock Field Co's Inventory to Revenue for the three months ended in Apr. 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.


Rock Field Co Days Inventory Related Terms


Rock Field Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Rock Field 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.

Rock Field Co Days Inventory Chart

Rock Field Co Annual Data
Trend Apr17 Apr18 Apr19 Apr20 Apr21 Apr22 Apr23 Apr24 Apr25 Apr26
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 14.15 14.86 15.77 16.24 18.28

Rock Field Co Quarterly Data
Jul21 Oct21 Jan22 Apr22 Jul22 Oct22 Jan23 Apr23 Jul23 Oct23 Jan24 Apr24 Jul24 Oct24 Jan25 Apr25 Jul25 Oct25 Jan26 Apr26
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 17.57 17.18 19.03 16.58 19.19

TSE:2910 vs KHC, GIS: Days Inventory Comparison

For the Packaged Foods subindustry, Rock Field 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.


Rock Field Co Days Inventory vs Consumer Packaged Goods Industry

For the Consumer Packaged Goods industry and Consumer Defensive sector, Rock Field Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Rock Field Co's Days Inventory falls into.


TSE:2910
71GF Score
Rock Field Co Ltd TSE:2910
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Rock Field Co Days Inventory Calculation

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

Rock Field Co's Days Inventory for the fiscal year that ended in Apr. 2026 is calculated as

Days Inventory (A: Apr. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Apr. 2025 ) + Total Inventories (A: Apr. 2026 )) / count ) / Cost of Goods Sold (A: Apr. 2026 )*Days in Period
=( (1016 + 1167) / 2 ) / 21797*365
=1091.5 / 21797*365
=18.28

Rock Field Co's Days Inventory for the quarter that ended in Apr. 2026 is calculated as:

Days Inventory (Q: Apr. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Jan. 2026 ) + Total Inventories (Q: Apr. 2026 )) / count ) / Cost of Goods Sold (Q: Apr. 2026 )*Days in Period
=( (950 + 1167) / 2 ) / 5032*365 / 4
=1058.5 / 5032*365 / 4
=19.19

* 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 19.19 mean?
Rock Field Co (TSE:2910) has a Days Inventory of 19.19 as of Apr. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Rock Field Co and its competitors. This is 37% above median its historical median of 13.98. Over the past decade, Rock Field Co's Days Inventory has ranged from 10.37 to 18.28. According to the industry distribution chart, Rock Field Co ranks #84 out of 1870 companies in the Consumer Packaged Goods industry, placing it in the top 4.5%.
Is Rock Field Co's Days Inventory too high?
Rock Field Co's current Days Inventory of 19.19 is 37% above median its 10-year median of 13.98. Over the past 10 years, this metric has ranged from a low of 10.37 to a high of 18.28. The Consumer Packaged Goods industry median Days Inventory is 82.95. Rock Field Co's value of 19.19 is 76.9% below this industry median. Based on the distribution chart, Rock Field Co ranks #84 out of 1870 companies in the Consumer Packaged Goods industry, which is in the top quartile — a strong position relative to peers. Overall, Rock Field Co has a GF Score™ of 71/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Rock Field Co's Days Inventory compare to KHC and GIS?
According to the Consumer Packaged Goods industry distribution chart, Rock Field Co ranks #84 out of 1870 companies for Days Inventory. This places Rock Field Co in the top 5% of its industry — outperforming the majority of peers. The industry median Days Inventory is 82.95. Rock Field Co's value of 19.19 is 76.9% below this benchmark. Historically, Rock Field Co's own Days Inventory has ranged from 10.37 to 18.28 over the past decade. While the company's 10-year median is 13.98 vs. the industry median of 82.95, Rock Field 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 Consumer Packaged Goods company?
The median Days Inventory among Consumer Packaged Goods companies is 82.95, based on 1,870 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. Rock Field Co's current Days Inventory of 19.19 is 76.9% 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 Rock Field Co and its competitors. For the Consumer Packaged Goods industry, the median Days Inventory is 82.95 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rock Field Co's current Days Inventory is 19.19, which is 37% above median its own 10-year median of 13.98. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rock Field Co stock overvalued right now?
Based on GuruFocus' analysis, Rock Field Co (TSE:2910) is currently considered Modestly Undervalued. The stock's GF Value™ is 円1,517.97, compared to a current price of 円1,345.00 — trading 11.4% below its estimated fair value. The current Days Inventory is 19.19, which is 37% above median its 10-year median of 13.98 and 76.9% below the Consumer Packaged Goods industry median of 82.95. Rock Field Co's overall GF Score™ is 71/100 with 4 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 Rock Field Co (TSE:2910), the current Days Inventory is 19.19 as of Apr. 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 Rock Field Co (TSE:2910) Overvalued in 2026?

Based on GuruFocus' analysis, Rock Field Co stock appears to be undervalued. The current stock price of 円1,345.00 is trading 11.4% below its estimated GF Value™ of 円1,517.97. GuruFocus considers Rock Field Co to be Modestly Undervalued.

Key valuation signals for TSE:2910:

  • Days Inventory: 19.19 (37% above median its 10-year median of 13.98)
  • GF Value™: 円1,517.97 vs. price of 円1,345.00 (11.4% below fair value)
  • GF Score™: 71/100 with 4 warning signs
  • Industry Position: 76.9% below the Consumer Packaged Goods median (#84 of 1870)

No single metric tells the full story. See the TSE:2910 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Rock Field Co Business Description

Address 15-2 Uozakihama-machi, Higashinada-ku, Kobe, JPN
Rock Field Co Ltd is engaged in the production and sale of prepared dishes. It provides prepared dishes through the operation of various stores, including RF1, Kobe Croquettes, Mikka-Bozu and Itohan, Yugo and RF1 Asia, Vegeteria and be Organic. In addition, it is also involved in the sale of delicatessen. Geographically, the activities of the firm are functioned through the region of Japan.
71GF Score

Get the complete analysis for TSE:2910

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

円1,345.00
Price
円1,517.97
GF Value