Plum Monix Industry Co (ROCO:6990) Days Inventory: 117.47 (As of Dec. 2025) — 21% Below 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.

ROCO:6990 Plum Monix Industry Co Ltd ROCO:6990
18 GF Score
Price NT$188.00
! 6 Warning Signs
View Full Analysis

What is Plum Monix Industry Co Days Inventory?

Plum Monix Industry Co ROCO:6990 +18.61% 18 Days Inventory is 117.47 as of Dec. 2025, which is 21% below its 10-year median of 149.61. GuruFocus rates ROCO:6990 with a GF Score™ of 18/100. The stock has 6 warning signs investors should review. Among 1,541 Chemicals companies, Plum Monix Industry Co ranks worse than 78.13% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Plum Monix Industry Co's Average Total Inventories for the six months ended in Dec. 2025 was NT$391 Mil. Plum Monix Industry Co's Cost of Goods Sold for the six months ended in Dec. 2025 was NT$607 Mil. Hence, Plum Monix Industry Co's Days Inventory for the six months ended in Dec. 2025 was 117.47.

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

ROCO:6990' s Days Inventory Range Over the Past 10 Years
Min: 133.51   Med: 149.61   Max: 162.98
Current: 137.46

During the past 5 years, Plum Monix Industry Co's highest Days Inventory was 162.98. The lowest was 133.51. And the median was 149.61.

ROCO:6990's Days Inventory is ranked worse than
78.13% of 1541 companies
in the Chemicals industry
Industry Median: 80.49 vs ROCO:6990: 137.46

Plum Monix Industry Co's Days Inventory declined from Dec. 2024 (148.46) to Dec. 2025 (117.47).

Inventory Turnover measures how fast the company turns over its inventory within a year. Plum Monix Industry Co's Inventory Turnover for the six months ended in Dec. 2025 was 1.55.

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. Plum Monix Industry Co's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.56.


Plum Monix Industry Co  (ROCO:6990) 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.

Plum Monix Industry Co's Inventory Turnover for the six 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.

Plum Monix Industry Co's Inventory to Revenue for the six 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.


Plum Monix Industry Co Days Inventory Related Terms


Plum Monix Industry Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Plum Monix Industry 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.

Plum Monix Industry Co Days Inventory Chart

Plum Monix Industry Co Annual Data
Trend Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
140.69 133.51 149.61 162.98 154.30

Plum Monix Industry Co Semi-Annual Data
Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Days Inventory Get a 7-Day Free Trial Premium Member Only 189.10 140.46 148.46 143.14 117.47

ROCO:6990 vs DOW: Days Inventory Comparison

For the Chemicals subindustry, Plum Monix Industry 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.


Plum Monix Industry Co Days Inventory vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Plum Monix Industry Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Plum Monix Industry Co's Days Inventory falls into.


ROCO:6990
18GF Score
Plum Monix Industry Co Ltd ROCO:6990
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Plum Monix Industry Co Days Inventory Calculation

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

Plum Monix Industry Co's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (466.79 + 467.365) / 2 ) / 1104.889*365
=467.0775 / 1104.889*365
=154.30

Plum Monix Industry Co'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: Jun. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (314.13 + 467.365) / 2 ) / 607.052*365 / 2
=390.7475 / 607.052*365 / 2
=117.47

* 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 117.47 mean?
Plum Monix Industry Co (ROCO:6990) has a Days Inventory of 117.47 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Plum Monix Industry Co and its competitors. This is 21% below median its historical median of 149.61. Over the past decade, Plum Monix Industry Co's Days Inventory has ranged from 133.51 to 162.98. According to the industry distribution chart, Plum Monix Industry Co ranks #1204 out of 1541 companies in the Chemicals industry, placing it in the top 78.1%.
Is Plum Monix Industry Co's Days Inventory too high?
Plum Monix Industry Co's current Days Inventory of 117.47 is 21% below median its 10-year median of 149.61. Over the past 10 years, this metric has ranged from a low of 133.51 to a high of 162.98. The Chemicals industry median Days Inventory is 80.49. Plum Monix Industry Co's value of 117.47 is 45.9% above this industry median. Based on the distribution chart, Plum Monix Industry Co ranks #1204 out of 1541 companies in the Chemicals industry, which is in the bottom quartile relative to peers. Overall, Plum Monix Industry Co has a GF Score™ of 18/100, reflecting its overall financial health beyond just this single metric.
How does Plum Monix Industry Co's Days Inventory compare to DOW?
According to the Chemicals industry distribution chart, Plum Monix Industry Co ranks #1204 out of 1541 companies for Days Inventory. This places Plum Monix Industry Co in the lower half of its industry. The industry median Days Inventory is 80.49. Plum Monix Industry Co's value of 117.47 is 45.9% above this benchmark. Historically, Plum Monix Industry Co's own Days Inventory has ranged from 133.51 to 162.98 over the past decade. While the company's 10-year median is 149.61 vs. the industry median of 80.49, Plum Monix Industry Co 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 Chemicals company?
The median Days Inventory among Chemicals companies is 80.49, based on 1,541 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. Plum Monix Industry Co's current Days Inventory of 117.47 is 45.9% 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 Plum Monix Industry Co and its competitors. For the Chemicals industry, the median Days Inventory is 80.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Plum Monix Industry Co's current Days Inventory is 117.47, which is 21% below median its own 10-year median of 149.61. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Plum Monix Industry Co stock overvalued right now?
Plum Monix Industry Co (ROCO:6990) has a current Days Inventory of 117.47. The current Days Inventory is 117.47, which is 21% below median its 10-year median of 149.61 and 45.9% above the Chemicals industry median of 80.49. Plum Monix Industry Co's overall GF Score™ is 18/100 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 Plum Monix Industry Co (ROCO:6990), the current Days Inventory is 117.47 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.

Plum Monix Industry Co Business Description

Address No. 19, Gongye West 1st Road, Changhua County, Lukang, TWN, 50544
Plum Monix Industry Co Ltd is a Taiwan based company manufactures and distributes chemical products. It produces Molybdenum Trioxide, Vanadium Pentoxide, VRFB Electrolyte, Sodium Meta Vanadate, Ammonium Meta Vanadate, Ferro Vanadium, Sodium Molybdate, Ammonium molybdate and Ferro Molybdenum.
18GF Score

Get the complete analysis for ROCO:6990

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

NT$188.00
Price