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.
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.
Thai Nam Plastic PCLBKK:TNPC -1.09%47 Days Inventory is 133.73 as of Mar. 2026, which is 10% below its 10-year median of 148.99. GuruFocus rates BKK:TNPC with a GF Score™ of 47/100 and a GF Value™ of ฿0.91 (Fairly Valued). The stock has 7 warning signs investors should review. Among 1,290 Vehicles & Parts companies, Thai Nam Plastic PCL ranks worse than 80.85% on this metric.
The historical rank and industry rank for Thai Nam Plastic PCL's Days Inventory or its related term are showing as below:
BKK:TNPC'
s Days Inventory Range Over the Past 10 Years
Min: 137.27 Med: 148.99 Max: 176.75
Current: 137.27
During the past 13 years, Thai Nam Plastic PCL's highest Days Inventory was 176.75. The lowest was 137.27. And the median was 148.99.
BKK:TNPC's Days Inventory is ranked worse than 80.85% of 1290
companies
in the Vehicles & Parts industry
Industry Median: 80.33
vs BKK:TNPC: 137.27
Thai Nam Plastic PCL's Days Inventory
declined
from Mar. 2025 (152.35) to Mar. 2026 (133.73).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Thai Nam Plastic PCL's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.68.
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.
Thai Nam Plastic PCL's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 1.22.
Thai Nam Plastic PCL (BKK:TNPC) 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.
Thai Nam Plastic PCL'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.
Thai Nam Plastic PCL's Inventory to Revenue for the
three
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.
Thai Nam Plastic PCL Days Inventory Related Terms
Thai Nam Plastic PCL Days Inventory Historical Data
* Premium members only.
The historical data trend for Thai Nam Plastic PCL'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.
For the Auto Parts subindustry, Thai Nam Plastic PCL'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.
Thai Nam Plastic PCL Days Inventory vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Thai Nam Plastic PCL's Days Inventory distribution charts can be found below:
* The bar in red indicates where Thai Nam Plastic PCL'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.
Thai Nam Plastic PCL (BKK:TNPC) has a Days Inventory of 133.73 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Thai Nam Plastic PCL and its competitors. This is 10% below median its historical median of 148.99. Over the past decade, Thai Nam Plastic PCL's Days Inventory has ranged from 137.27 to 176.75. According to the industry distribution chart, Thai Nam Plastic PCL ranks #1043 out of 1290 companies in the Vehicles & Parts industry, placing it in the top 80.9%.
Is Thai Nam Plastic PCL's Days Inventory too high?
Thai Nam Plastic PCL's current Days Inventory of 133.73 is 10% below median its 10-year median of 148.99. Over the past 10 years, this metric has ranged from a low of 137.27 to a high of 176.75. The Vehicles & Parts industry median Days Inventory is 80.33. Thai Nam Plastic PCL's value of 133.73 is 66.5% above this industry median. Based on the distribution chart, Thai Nam Plastic PCL ranks #1043 out of 1290 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Thai Nam Plastic PCL has a GF Score™ of 47/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Thai Nam Plastic PCL's Days Inventory compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Thai Nam Plastic PCL ranks #1043 out of 1290 companies for Days Inventory. This places Thai Nam Plastic PCL in the lower half of its industry. The industry median Days Inventory is 80.33. Thai Nam Plastic PCL's value of 133.73 is 66.5% above this benchmark. Historically, Thai Nam Plastic PCL's own Days Inventory has ranged from 137.27 to 176.75 over the past decade. While the company's 10-year median is 148.99 vs. the industry median of 80.33, Thai Nam Plastic PCL 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 Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.33, based on 1,290 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. Thai Nam Plastic PCL's current Days Inventory of 133.73 is 66.5% 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 Thai Nam Plastic PCL and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.33 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thai Nam Plastic PCL's current Days Inventory is 133.73, which is 10% below median its own 10-year median of 148.99. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thai Nam Plastic PCL stock overvalued right now?
Based on GuruFocus' analysis, Thai Nam Plastic PCL (BKK:TNPC) is currently considered Fairly Valued. The stock's GF Value™ is ฿0.91, compared to a current price of ฿0.91 — trading right at its estimated fair value. The current Days Inventory is 133.73, which is 10% below median its 10-year median of 148.99 and 66.5% above the Vehicles & Parts industry median of 80.33. Thai Nam Plastic PCL's overall GF Score™ is 47/100 with 7 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 Thai Nam Plastic PCL (BKK:TNPC), the current Days Inventory is 133.73 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 Thai Nam Plastic PCL (BKK:TNPC) Overvalued in 2026?
Based on GuruFocus' analysis, Thai Nam Plastic PCL stock appears to be undervalued.
The current stock price of ฿0.91 is trading 0% below its estimated GF Value™ of ฿0.91.
GuruFocus considers Thai Nam Plastic PCL to be Fairly Valued.
Key valuation signals for BKK:TNPC:
Days Inventory: 133.73 (10% below median its 10-year median of 148.99)
GF Value™: ฿0.91 vs. price of ฿0.91 (0% below fair value)
Industry Position: 66.5% above the Vehicles & Parts median (#1043 of 1290)
No single metric tells the full story. See the BKK:TNPC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Thai Nam Plastic PCL engages in the production and distribution of flexible plastic, synthetic leather, and car mats. The Group's main business operations are the manufacture and distribution of semi-finished plastic products, synthetic leather, and film/sheet for the industries of Automotive, sports shoes, furniture, and fashionable leather, and flexible film/sheet for applications in household, civil engineering, and agricultural functions. The company has domestic and international areas, with the majority of revenue from Domestic.
47GF Score
Get the complete analysis for BKK:TNPC
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
BKK:TNPC has been successfully added to your 
