Formosa Plastics (TPE:1301) Days Inventory: 41.87 (As of Mar. 2026) — Near Median

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TPE:1301 Formosa Plastics Corp TPE:1301
72 GF Score
Price NT$62.80
GF Value NT$45.05
Valuation Significantly Overvalued
! 9 Warning Signs
View Full Analysis

What is Formosa Plastics Days Inventory?

Formosa Plastics TPE:1301 -4.27% 72 Days Inventory is 41.87 as of Mar. 2026, which is 3% above its 10-year median of 40.61. GuruFocus rates TPE:1301 with a GF Score™ of 72/100 and a GF Value™ of NT$45.05 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 1,542 Chemicals companies, Formosa Plastics ranks better than 83.53% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Formosa Plastics's Average Total Inventories for the three months ended in Mar. 2026 was NT$18,552 Mil. Formosa Plastics's Cost of Goods Sold for the three months ended in Mar. 2026 was NT$40,430 Mil. Hence, Formosa Plastics's Days Inventory for the three months ended in Mar. 2026 was 41.87.

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

TPE:1301' s Days Inventory Range Over the Past 10 Years
Min: 36.27   Med: 40.61   Max: 44.61
Current: 42.66

During the past 13 years, Formosa Plastics's highest Days Inventory was 44.61. The lowest was 36.27. And the median was 40.61.

TPE:1301's Days Inventory is ranked better than
83.53% of 1542 companies
in the Chemicals industry
Industry Median: 80.37 vs TPE:1301: 42.66

Formosa Plastics's Days Inventory declined from Mar. 2025 (46.50) to Mar. 2026 (41.87).

Inventory Turnover measures how fast the company turns over its inventory within a year. Formosa Plastics's Inventory Turnover for the three months ended in Mar. 2026 was 2.18.

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. Formosa Plastics's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.44.


Formosa Plastics  (TPE:1301) 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.

Formosa Plastics's Inventory Turnover for the three 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.

Formosa Plastics's Inventory to Revenue for the three months ended in Mar. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=18552.475 / 41985.122
=0.44

* 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.


Formosa Plastics Days Inventory Related Terms


Formosa Plastics Days Inventory Historical Data

* Premium members only.

The historical data trend for Formosa 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.

Formosa Plastics Days Inventory Chart

Formosa 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 38.09 40.97 42.27 43.87 44.61

Formosa Plastics Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 46.50 43.82 42.39 39.62 41.87

TPE:1301 vs LIN, SHW, ECL: Days Inventory Comparison

For the Specialty Chemicals subindustry, Formosa 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.


Formosa Plastics Days Inventory vs Chemicals Industry

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

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


TPE:1301
72GF Score
Formosa Plastics Corp TPE:1301
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Formosa Plastics Days Inventory Calculation

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

Formosa 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
=( (24212.141 + 17297.286) / 2 ) / 169808.092*365
=20754.7135 / 169808.092*365
=44.61

Formosa Plastics's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (17297.286 + 19807.664) / 2 ) / 40429.654*365 / 4
=18552.475 / 40429.654*365 / 4
=41.87

* 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 41.87 mean?
Formosa Plastics (TPE:1301) has a Days Inventory of 41.87 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Formosa Plastics and its competitors. This is near median its historical median of 40.61. Over the past decade, Formosa Plastics' Days Inventory has ranged from 36.27 to 44.61. According to the industry distribution chart, Formosa Plastics ranks #254 out of 1542 companies in the Chemicals industry, placing it in the top 16.5%.
Is Formosa Plastics' Days Inventory too high?
Formosa Plastics' current Days Inventory of 41.87 is near median its 10-year median of 40.61. Over the past 10 years, this metric has ranged from a low of 36.27 to a high of 44.61. The Chemicals industry median Days Inventory is 80.37. Formosa Plastics' value of 41.87 is 47.9% below this industry median. Based on the distribution chart, Formosa Plastics ranks #254 out of 1542 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, Formosa Plastics has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Plastics' Days Inventory compare to LIN and SHW?
According to the Chemicals industry distribution chart, Formosa Plastics ranks #254 out of 1542 companies for Days Inventory. This places Formosa Plastics in the top 17% of its industry — outperforming the majority of peers. The industry median Days Inventory is 80.37. Formosa Plastics' value of 41.87 is 47.9% below this benchmark. Historically, Formosa Plastics' own Days Inventory has ranged from 36.27 to 44.61 over the past decade. While the company's 10-year median is 40.61 vs. the industry median of 80.37, Formosa 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 80.37, based on 1,542 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. Formosa Plastics's current Days Inventory of 41.87 is 47.9% 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 Formosa Plastics and its competitors. For the Chemicals industry, the median Days Inventory is 80.37 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Formosa Plastics's current Days Inventory is 41.87, which is near median its own 10-year median of 40.61. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Plastics stock overvalued right now?
Based on GuruFocus' analysis, Formosa Plastics (TPE:1301) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$45.05, compared to a current price of NT$62.80 — trading 39.4% above its estimated fair value. The current Days Inventory is 41.87, which is near median its 10-year median of 40.61 and 47.9% below the Chemicals industry median of 80.37. Formosa Plastics' overall GF Score™ is 72/100 with 9 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 Formosa Plastics (TPE:1301), the current Days Inventory is 41.87 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 Formosa Plastics (TPE:1301) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Plastics stock appears to be overvalued. The current stock price of NT$62.80 is trading 39.4% above its estimated GF Value™ of NT$45.05. GuruFocus considers Formosa Plastics to be Significantly Overvalued.

Key valuation signals for TPE:1301:

  • Days Inventory: 41.87 (near median its 10-year median of 40.61)
  • GF Value™: NT$45.05 vs. price of NT$62.80 (39.4% above fair value)
  • GF Score™: 72/100 with 9 warning signs
  • Industry Position: 47.9% below the Chemicals median (#254 of 1542)

No single metric tells the full story. See the TPE:1301 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Formosa Plastics Business Description

Address No. 100, Shuiguan Road, Renwu District, Kaohsiung, TWN, 814
Formosa Plastics Corp is a holding company that, through its subsidiaries, manufactures and sells plastic-based products, chemical fibers, and petrochemicals. The company operates in five reportable segments: Plastics Division, Polyolefins Division, Polypropylene Division, Tairylan Division, and Chemical Division. The majority of revenue is derived from the Plastic division. Geographically, the company operates in Taiwan, mainland China, and other countries, with the maximum revenue generated from Taiwan.
72GF Score

Get the complete analysis for TPE:1301

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

NT$62.80
Price
NT$45.05
GF Value