Nan Ya Plastics (TPE:1303) Days Inventory: 79.57 (As of Dec. 2025) — 24% Above Median


TPE:1303 Nan Ya Plastics Corp TPE:1303
56 GF Score
Price NT$181.50
GF Value NT$61.11
Valuation Significantly Overvalued
! 10 Warning Signs
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What is Nan Ya Plastics Days Inventory?

Nan Ya Plastics TPE:1303 -0.27% 56 Days Inventory is 79.57 as of Dec. 2025, which is 24% above its 10-year median of 64.32. GuruFocus rates TPE:1303 with a GF Score™ of 56/100 and a GF Value™ of NT$61.11 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 1,539 Chemicals companies, Nan Ya Plastics ranks better than 52.31% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Nan Ya Plastics's Average Total Inventories for the three months ended in Dec. 2025 was NT$51,016 Mil. Nan Ya Plastics's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$58,502 Mil. Hence, Nan Ya Plastics's Days Inventory for the three months ended in Dec. 2025 was 79.57.

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

TPE:1303' s Days Inventory Range Over the Past 10 Years
Min: 54.22   Med: 64.32   Max: 78.87
Current: 77.72

During the past 13 years, Nan Ya Plastics's highest Days Inventory was 78.87. The lowest was 54.22. And the median was 64.32.

TPE:1303's Days Inventory is ranked better than
52.31% of 1539 companies
in the Chemicals industry
Industry Median: 80.63 vs TPE:1303: 77.72

Nan Ya Plastics's Days Inventory increased from Dec. 2024 (75.54) to Dec. 2025 (79.57). It might indicate that Nan Ya Plastics's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Nan Ya Plastics's Inventory Turnover for the three months ended in Dec. 2025 was 1.15.

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. Nan Ya Plastics's Inventory-to-Revenue for the three months ended in Dec. 2025 was 0.79.


Nan Ya Plastics  (TPE:1303) 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.

Nan Ya Plastics'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.

Nan Ya Plastics's Inventory to Revenue for the three months ended in Dec. 2025 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=51016.111 / 64466.653
=0.79

* 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.


Nan Ya Plastics Days Inventory Related Terms


Nan Ya Plastics Days Inventory Historical Data

* Premium members only.

The historical data trend for Nan Ya Plastics'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.

Nan Ya Plastics Days Inventory Chart

Nan Ya Plastics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 58.53 66.97 78.56 77.42 78.87

Nan Ya Plastics Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
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 75.54 76.53 76.00 77.69 79.57

TPE:1303 vs LIN, SHW, ECL: Days Inventory Comparison

For the Specialty Chemicals subindustry, Nan Ya Plastics'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.


Nan Ya Plastics Days Inventory vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Nan Ya Plastics's Days Inventory distribution charts can be found below:

* The bar in red indicates where Nan Ya Plastics's Days Inventory falls into.


TPE:1303
56GF Score
Nan Ya Plastics Corp TPE:1303
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Nan Ya Plastics Days Inventory Calculation

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

Nan Ya Plastics'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
=( (51696.294 + 51303.252) / 2 ) / 238324.664*365
=51499.773 / 238324.664*365
=78.87

Nan Ya Plastics'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
=( (50728.97 + 51303.252) / 2 ) / 58502.317*365 / 4
=51016.111 / 58502.317*365 / 4
=79.57

* 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 79.57 mean?
Nan Ya Plastics (TPE:1303) has a Days Inventory of 79.57 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Nan Ya Plastics and its competitors. This is 24% above median its historical median of 64.32. Over the past decade, Nan Ya Plastics' Days Inventory has ranged from 54.22 to 78.87. According to the industry distribution chart, Nan Ya Plastics ranks #734 out of 1539 companies in the Chemicals industry, placing it in the top 47.7%.
Is Nan Ya Plastics' Days Inventory too high?
Nan Ya Plastics' current Days Inventory of 79.57 is 24% above median its 10-year median of 64.32. Over the past 10 years, this metric has ranged from a low of 54.22 to a high of 78.87. The Chemicals industry median Days Inventory is 80.63. Nan Ya Plastics' value of 79.57 is 1.3% below this industry median. Based on the distribution chart, Nan Ya Plastics ranks #734 out of 1539 companies in the Chemicals industry, which is above the industry midpoint. Overall, Nan Ya Plastics has a GF Score™ of 56/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Nan Ya Plastics' Days Inventory compare to LIN and SHW?
According to the Chemicals industry distribution chart, Nan Ya Plastics ranks #734 out of 1539 companies for Days Inventory. This puts Nan Ya Plastics in the upper half of its industry. The industry median Days Inventory is 80.63. Nan Ya Plastics' value of 79.57 is 1.3% below this benchmark. Historically, Nan Ya Plastics' own Days Inventory has ranged from 54.22 to 78.87 over the past decade. While the company's 10-year median is 64.32 vs. the industry median of 80.63, Nan Ya Plastics 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 Chemicals company?
The median Days Inventory among Chemicals companies is 80.63, based on 1,539 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. Nan Ya Plastics's current Days Inventory of 79.57 is 1.3% 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 Nan Ya Plastics and its competitors. For the Chemicals industry, the median Days Inventory is 80.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nan Ya Plastics's current Days Inventory is 79.57, which is 24% above median its own 10-year median of 64.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nan Ya Plastics stock overvalued right now?
Based on GuruFocus' analysis, Nan Ya Plastics (TPE:1303) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$61.11, compared to a current price of NT$181.50 — trading 197% above its estimated fair value. The current Days Inventory is 79.57, which is 24% above median its 10-year median of 64.32 and 1.3% below the Chemicals industry median of 80.63. Nan Ya Plastics' overall GF Score™ is 56/100 with 10 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 Nan Ya Plastics (TPE:1303), the current Days Inventory is 79.57 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 Nan Ya Plastics (TPE:1303) Overvalued in 2026?

Based on GuruFocus' analysis, Nan Ya Plastics stock appears to be overvalued. The current stock price of NT$181.50 is trading 197% above its estimated GF Value™ of NT$61.11. GuruFocus considers Nan Ya Plastics to be Significantly Overvalued.

Key valuation signals for TPE:1303:

  • Days Inventory: 79.57 (24% above median its 10-year median of 64.32)
  • GF Value™: NT$61.11 vs. price of NT$181.50 (197% above fair value)
  • GF Score™: 56/100 with 10 warning signs
  • Industry Position: 1.3% below the Chemicals median (#734 of 1539)

No single metric tells the full story. See the TPE:1303 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Nan Ya Plastics Business Description

Address 101, Shuiguan Road, Renwu District, Kaohsiung, TWN, 814
Nan Ya Plastics Corp engages in the manufacture and sale of plastic products, polyester fibers, petrochemical products, and electronic materials. It has gone through several capital increases and established many divisions. Currently, the Company has the following divisions: plastics, fiber, petrochemical, electronics, and engineering. Geographically, the company generates a majority of its revenue from China and the rest from Taiwan and other markets.
56GF Score

Get the complete analysis for TPE:1303

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

NT$181.50
Price
NT$61.11
GF Value