Gulf Development PCL (BKK:GULF) Days Inventory: 13.42 (As of Mar. 2026) — 149% Above Median

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BKK:GULF Gulf Development PCL BKK:GULF
15 GF Score
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What is Gulf Development PCL Days Inventory?

Gulf Development PCL BKK:GULF -1.14% 15 Days Inventory is 13.42 as of Mar. 2026, which is 149% above its 10-year median of 5.38. GuruFocus rates BKK:GULF with a GF Score™ of 15/100. The stock has 12 warning signs investors should review. Among 335 Utilities - Independent Power Producers companies, Gulf Development PCL ranks better than 70.75% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Gulf Development PCL's Average Total Inventories for the three months ended in Mar. 2026 was ฿4,352 Mil. Gulf Development PCL's Cost of Goods Sold for the three months ended in Mar. 2026 was ฿29,599 Mil. Hence, Gulf Development PCL's Days Inventory for the three months ended in Mar. 2026 was 13.42.

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

BKK:GULF' s Days Inventory Range Over the Past 10 Years
Min: 0.09   Med: 5.38   Max: 13.81
Current: 13.81

During the past 12 years, Gulf Development PCL's highest Days Inventory was 13.81. The lowest was 0.09. And the median was 5.38.

BKK:GULF's Days Inventory is ranked better than
70.75% of 335 companies
in the Utilities - Independent Power Producers industry
Industry Median: 27.9 vs BKK:GULF: 13.81

Gulf Development PCL's Days Inventory declined from Mar. 2025 (13.52) to Mar. 2026 (13.42).

Inventory Turnover measures how fast the company turns over its inventory within a year. Gulf Development PCL's Inventory Turnover for the three months ended in Mar. 2026 was 6.80.

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. Gulf Development PCL's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.12.


Gulf Development PCL  (BKK:GULF) 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.

Gulf Development 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.

Gulf Development 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.


Gulf Development PCL Days Inventory Related Terms


Gulf Development PCL Days Inventory Historical Data

* Premium members only.

The historical data trend for Gulf Development 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.

Gulf Development PCL Days Inventory Chart

Gulf Development 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 8.67 6.99 8.96 11.53 0.00

Gulf Development 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 13.52 10.90 15.92 14.79 13.42

BKK:GULF vs CEG, VST, NRG: Days Inventory Comparison

For the Utilities - Independent Power Producers subindustry, Gulf Development 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.


Gulf Development PCL Days Inventory vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Gulf Development PCL's Days Inventory distribution charts can be found below:

* The bar in red indicates where Gulf Development PCL's Days Inventory falls into.


BKK:GULF
15GF Score
Gulf Development PCL BKK:GULF
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Gulf Development PCL Days Inventory Calculation

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

Gulf Development 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
=( (3179.588 + 3767.598) / 2 ) / 0*365
=3473.593 / 0*365
=N/A

Gulf Development 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
=( (3767.598 + 4935.8) / 2 ) / 29599.249*365 / 4
=4351.699 / 29599.249*365 / 4
=13.42

* 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 13.42 mean?
Gulf Development PCL (BKK:GULF) has a Days Inventory of 13.42 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Gulf Development PCL and its competitors. This is 149% above median its historical median of 5.38. Over the past decade, Gulf Development PCL's Days Inventory has ranged from 0.09 to 13.81. According to the industry distribution chart, Gulf Development PCL ranks #98 out of 335 companies in the Utilities - Independent Power Producers industry, placing it in the top 29.3%.
Is Gulf Development PCL's Days Inventory too high?
Gulf Development PCL's current Days Inventory of 13.42 is 149% above median its 10-year median of 5.38. Over the past 10 years, this metric has ranged from a low of 0.09 to a high of 13.81. The Utilities - Independent Power Producers industry median Days Inventory is 27.90. Gulf Development PCL's value of 13.42 is 51.9% below this industry median. Based on the distribution chart, Gulf Development PCL ranks #98 out of 335 companies in the Utilities - Independent Power Producers industry, which is above the industry midpoint. Overall, Gulf Development PCL has a GF Score™ of 15/100, reflecting its overall financial health beyond just this single metric.
How does Gulf Development PCL's Days Inventory compare to CEG and VST?
According to the Utilities - Independent Power Producers industry distribution chart, Gulf Development PCL ranks #98 out of 335 companies for Days Inventory. This puts Gulf Development PCL in the upper half of its industry. The industry median Days Inventory is 27.90. Gulf Development PCL's value of 13.42 is 51.9% below this benchmark. Historically, Gulf Development PCL's own Days Inventory has ranged from 0.09 to 13.81 over the past decade. While the company's 10-year median is 5.38 vs. the industry median of 27.90, Gulf Development PCL 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 an Utilities - Independent Power Producers company?
The median Days Inventory among Utilities - Independent Power Producers companies is 27.90, based on 335 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. Gulf Development PCL's current Days Inventory of 13.42 is 51.9% 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 Gulf Development PCL and its competitors. For the Utilities - Independent Power Producers industry, the median Days Inventory is 27.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gulf Development PCL's current Days Inventory is 13.42, which is 149% above median its own 10-year median of 5.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gulf Development PCL stock overvalued right now?
Gulf Development PCL (BKK:GULF) has a current Days Inventory of 13.42. The current Days Inventory is 13.42, which is 149% above median its 10-year median of 5.38 and 51.9% below the Utilities - Independent Power Producers industry median of 27.90. Gulf Development PCL's overall GF Score™ is 15/100 with 12 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 Gulf Development PCL (BKK:GULF), the current Days Inventory is 13.42 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.

Gulf Development PCL Business Description

Other Exchanges GULF-F:Thailand
Address Wireless Road, 87 M. Thai Tower 11th Floor, All Seasons Place, Lumpini, Pathumwan, Bangkok, THA, 10330
Gulf Development PCL is a Thailand-based company mainly involved in the electricity-generating business. The group's principal operations are to generate and sell electricity and steam, store and convert natural gas from liquid to gas, provide satellite services, and operate other businesses in domestic and international markets. It is also involved in the business of renewable energy, such as solar rooftops and biomass energy. The group's reportable segments are: Power business (which generates maximum revenue), Consulting business, Infrastructure business, and Satellite and digital business. Geographically, it derives maximum revenue from Thailand.
15GF Score

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

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