Thai Nondestructive Testing PCL (BKK:TNDT) Days Inventory: 142.02 (As of Mar. 2026) — 1176% Above Median

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BKK:TNDT Thai Nondestructive Testing PCL BKK:TNDT
37 GF Score
Price ฿0.19
GF Value ฿0.14
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Thai Nondestructive Testing PCL Days Inventory?

Thai Nondestructive Testing PCL BKK:TNDT +18.75% 37 Days Inventory is 142.02 as of Mar. 2026, which is 1176% above its 10-year median of 11.13. GuruFocus rates BKK:TNDT with a GF Score™ of 37/100 and a GF Value™ of ฿0.14 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 1,491 Construction companies, Thai Nondestructive Testing PCL ranks worse than 60.43% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Thai Nondestructive Testing PCL's Average Total Inventories for the three months ended in Mar. 2026 was ฿70.6 Mil. Thai Nondestructive Testing PCL's Cost of Goods Sold for the three months ended in Mar. 2026 was ฿45.4 Mil. Hence, Thai Nondestructive Testing PCL's Days Inventory for the three months ended in Mar. 2026 was 142.02.

The historical rank and industry rank for Thai Nondestructive Testing PCL's Days Inventory or its related term are showing as below:

BKK:TNDT' s Days Inventory Range Over the Past 10 Years
Min: 7.9   Med: 11.13   Max: 75.07
Current: 75.07

During the past 13 years, Thai Nondestructive Testing PCL's highest Days Inventory was 75.07. The lowest was 7.90. And the median was 11.13.

BKK:TNDT's Days Inventory is ranked worse than
60.43% of 1491 companies
in the Construction industry
Industry Median: 49.87 vs BKK:TNDT: 75.07

Thai Nondestructive Testing PCL's Days Inventory increased from Mar. 2025 (40.24) to Mar. 2026 (142.02). It might indicate that Thai Nondestructive Testing PCL's sales slowed down.

Warning Sign:

If a company builds up inventory, it may mean it is having difficulties selling its goods.

Inventory Turnover measures how fast the company turns over its inventory within a year. Thai Nondestructive Testing PCL's Inventory Turnover for the three months ended in Mar. 2026 was 0.64.

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 Nondestructive Testing PCL's Inventory-to-Revenue for the three months ended in Mar. 2026 was 1.04.


Thai Nondestructive Testing PCL  (BKK:TNDT) 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 Nondestructive Testing 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 Nondestructive Testing 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 Nondestructive Testing PCL Days Inventory Related Terms


Thai Nondestructive Testing PCL Days Inventory Historical Data

* Premium members only.

The historical data trend for Thai Nondestructive Testing 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.

Thai Nondestructive Testing PCL Days Inventory Chart

Thai Nondestructive Testing PCL 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 10.34 11.79 12.52 25.60 57.73

Thai Nondestructive Testing PCL 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 40.24 46.87 51.73 87.41 142.02

BKK:TNDT vs PWR, FIX, EME: Days Inventory Comparison

For the Engineering & Construction subindustry, Thai Nondestructive Testing 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 Nondestructive Testing PCL Days Inventory vs Construction Industry

For the Construction industry and Industrials sector, Thai Nondestructive Testing PCL's Days Inventory distribution charts can be found below:

* The bar in red indicates where Thai Nondestructive Testing PCL's Days Inventory falls into.


BKK:TNDT
37GF Score
Thai Nondestructive Testing PCL BKK:TNDT
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Thai Nondestructive Testing PCL Days Inventory Calculation

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

Thai Nondestructive Testing PCL'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
=( (18.542 + 63.731) / 2 ) / 260.066*365
=41.1365 / 260.066*365
=57.73

Thai Nondestructive Testing PCL'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
=( (63.731 + 77.56) / 2 ) / 45.392*365 / 4
=70.6455 / 45.392*365 / 4
=142.02

* 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 142.02 mean?
Thai Nondestructive Testing PCL (BKK:TNDT) has a Days Inventory of 142.02 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Thai Nondestructive Testing PCL and its competitors. This is 1176% above median its historical median of 11.13. Over the past decade, Thai Nondestructive Testing PCL's Days Inventory has ranged from 7.90 to 75.07. According to the industry distribution chart, Thai Nondestructive Testing PCL ranks #901 out of 1491 companies in the Construction industry, placing it in the top 60.4%.
Is Thai Nondestructive Testing PCL's Days Inventory too high?
Thai Nondestructive Testing PCL's current Days Inventory of 142.02 is 1176% above median its 10-year median of 11.13. Over the past 10 years, this metric has ranged from a low of 7.90 to a high of 75.07. The Construction industry median Days Inventory is 49.87. Thai Nondestructive Testing PCL's value of 142.02 is 184.8% above this industry median. Based on the distribution chart, Thai Nondestructive Testing PCL ranks #901 out of 1491 companies in the Construction industry, which is below the industry midpoint. Overall, Thai Nondestructive Testing PCL has a GF Score™ of 37/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Thai Nondestructive Testing PCL's Days Inventory compare to PWR and FIX?
According to the Construction industry distribution chart, Thai Nondestructive Testing PCL ranks #901 out of 1491 companies for Days Inventory. This places Thai Nondestructive Testing PCL in the lower half of its industry. The industry median Days Inventory is 49.87. Thai Nondestructive Testing PCL's value of 142.02 is 184.8% above this benchmark. Historically, Thai Nondestructive Testing PCL's own Days Inventory has ranged from 7.90 to 75.07 over the past decade. While the company's 10-year median is 11.13 vs. the industry median of 49.87, Thai Nondestructive Testing 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 Construction company?
The median Days Inventory among Construction companies is 49.87, based on 1,491 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 Nondestructive Testing PCL's current Days Inventory of 142.02 is 184.8% 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 Nondestructive Testing PCL and its competitors. For the Construction industry, the median Days Inventory is 49.87 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thai Nondestructive Testing PCL's current Days Inventory is 142.02, which is 1176% above median its own 10-year median of 11.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thai Nondestructive Testing PCL stock overvalued right now?
Based on GuruFocus' analysis, Thai Nondestructive Testing PCL (BKK:TNDT) is currently considered Significantly Overvalued. The stock's GF Value™ is ฿0.14, compared to a current price of ฿0.19 — trading 35.7% above its estimated fair value. The current Days Inventory is 142.02, which is 1176% above median its 10-year median of 11.13 and 184.8% above the Construction industry median of 49.87. Thai Nondestructive Testing PCL's overall GF Score™ is 37/100 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 Thai Nondestructive Testing PCL (BKK:TNDT), the current Days Inventory is 142.02 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 Nondestructive Testing PCL (BKK:TNDT) Overvalued in 2026?

Based on GuruFocus' analysis, Thai Nondestructive Testing PCL stock appears to be overvalued. The current stock price of ฿0.19 is trading 35.7% above its estimated GF Value™ of ฿0.14. GuruFocus considers Thai Nondestructive Testing PCL to be Significantly Overvalued.

Key valuation signals for BKK:TNDT:

  • Days Inventory: 142.02 (1176% above median its 10-year median of 11.13)
  • GF Value™: ฿0.14 vs. price of ฿0.19 (35.7% above fair value)
  • GF Score™: 37/100 with 6 warning signs
  • Industry Position: 184.8% above the Construction median (#901 of 1491)

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


Thai Nondestructive Testing PCL Business Description

Address Ramkhamhaeng Road, 19 Soi Ramkhamhaeng 60 Intersection 8 (Suanson 8, Huamark, Bangkapi, Bangkok, THA, 10240
Thai Nondestructive Testing PCL engages in providing technical services and operates engineering inspection and testing through non-destructive techniques. It operates in the segments of: Nondestructive testing services; Inspection services for pressure vessel; Electron Beam; Revenue from contractor services relating to electricity, generating system; and Revenue from sales. Its Non-Destructive Testing Services segment which earns majority revenue provides conventional testing services, which are applied to pressure vessels, heat exchangers, boilers, piping and structures in the fields of oil refineries, power plants, petrochemical plants, ship buildings, offshore, bridges and building constructions, and other heavy industries. Geographically, it operates Domestically as well as Abroad.
37GF Score

Get the complete analysis for BKK:TNDT

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

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GF Value