Nippon Gas CoNPNGY 86 Days Inventory is 10.55 as of Mar. 2026, which is 56% below its 10-year median of 24.00. GuruFocus rates NPNGY with a GF Score™ of 86/100 and a GF Value™ of $7.44 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 453 Utilities - Regulated companies, Nippon Gas Co ranks better than 64.68% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Nippon Gas Co's Average Total Inventories for the
three
months ended in Mar. 2026 was $30 Mil. Nippon Gas Co's Cost of Goods Sold for the
three
months ended in Mar. 2026 was $263 Mil.
Hence, Nippon Gas Co's Days Inventory for the
three
months ended in Mar. 2026 was 10.55.
The historical rank and industry rank for Nippon Gas Co's Days Inventory or its related term are showing as below:
NPNGY'
s Days Inventory Range Over the Past 10 Years
Min: 13.87 Med: 24 Max: 33.34
Current: 13.87
During the past 13 years, Nippon Gas Co's highest Days Inventory was 33.34. The lowest was 13.87. And the median was 24.00.
NPNGY's Days Inventory is ranked better than 64.68% of 453
companies
in the Utilities - Regulated industry
Industry Median: 22.51
vs NPNGY: 13.87
Nippon Gas Co's Days Inventory
declined
from Mar. 2025 (12.28) to Mar. 2026 (10.55).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Nippon Gas Co's Inventory Turnover for the
three
months ended in Mar. 2026 was 8.65.
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.
Nippon Gas Co's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.07.
Nippon Gas Co (OTCPK:NPNGY) 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.
Nippon Gas Co'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.
Nippon Gas Co'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.
Nippon Gas Co Days Inventory Related Terms
Nippon Gas Co Days Inventory Historical Data
* Premium members only.
The historical data trend for Nippon Gas Co'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 Utilities - Regulated Gas subindustry, Nippon Gas Co'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.
Nippon Gas Co Days Inventory vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Nippon Gas Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Nippon Gas Co'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.
Nippon Gas Co (NPNGY) has a Days Inventory of 10.55 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Nippon Gas Co and its competitors. This is 56% below median its historical median of 24.00. Over the past decade, Nippon Gas Co's Days Inventory has ranged from 13.87 to 33.34. According to the industry distribution chart, Nippon Gas Co ranks #160 out of 453 companies in the Utilities - Regulated industry, placing it in the top 35.3%.
Is Nippon Gas Co's Days Inventory too high?
Nippon Gas Co's current Days Inventory of 10.55 is 56% below median its 10-year median of 24.00. Over the past 10 years, this metric has ranged from a low of 13.87 to a high of 33.34. The Utilities - Regulated industry median Days Inventory is 22.51. Nippon Gas Co's value of 10.55 is 53.1% below this industry median. Based on the distribution chart, Nippon Gas Co ranks #160 out of 453 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Nippon Gas Co has a GF Score™ of 86/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Nippon Gas Co's Days Inventory compare to ATO and NI?
According to the Utilities - Regulated industry distribution chart, Nippon Gas Co ranks #160 out of 453 companies for Days Inventory. This puts Nippon Gas Co in the upper half of its industry. The industry median Days Inventory is 22.51. Nippon Gas Co's value of 10.55 is 53.1% below this benchmark. Historically, Nippon Gas Co's own Days Inventory has ranged from 13.87 to 33.34 over the past decade. While the company's 10-year median is 24.00 vs. the industry median of 22.51, Nippon Gas Co 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 - Regulated company?
The median Days Inventory among Utilities - Regulated companies is 22.51, based on 453 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. Nippon Gas Co's current Days Inventory of 10.55 is 53.1% 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 Nippon Gas Co and its competitors. For the Utilities - Regulated industry, the median Days Inventory is 22.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nippon Gas Co's current Days Inventory is 10.55, which is 56% below median its own 10-year median of 24.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nippon Gas Co stock overvalued right now?
Based on GuruFocus' analysis, Nippon Gas Co (NPNGY) is currently considered Modestly Overvalued. The stock's GF Value™ is $7.44, compared to a current price of $8.67 — trading 16.5% above its estimated fair value. The current Days Inventory is 10.55, which is 56% below median its 10-year median of 24.00 and 53.1% below the Utilities - Regulated industry median of 22.51. Nippon Gas Co's overall GF Score™ is 86/100 with 4 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 Nippon Gas Co (NPNGY), the current Days Inventory is 10.55 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 Nippon Gas Co (NPNGY) Overvalued in 2026?
Based on GuruFocus' analysis, Nippon Gas Co stock appears to be overvalued.
The current stock price of $8.67 is trading 16.5% above its estimated GF Value™ of $7.44.
GuruFocus considers Nippon Gas Co to be Modestly Overvalued.
Key valuation signals for NPNGY:
Days Inventory: 10.55 (56% below median its 10-year median of 24.00)
GF Value™: $7.44 vs. price of $8.67 (16.5% above fair value)
Industry Position: 53.1% below the Utilities - Regulated median (#160 of 453)
No single metric tells the full story. See the NPNGY stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Nippon Gas Co Ltd, or Nichigas, is a Japanese supplier of gas primarily in the Kanto region of Japan. The company segments its operations into LP Gas, City Gas, Electricity, and Life Products Businesses. LP Gas and City Gas are Nichigas' core segments, which engage in the distribution and sale of liquefied petroleum gas, or LPG, and city gas for consumer usage. The company's total revenue is split between sales of LPG and city gas, with LPG generating slightly more. Roughly half of Nichigas' customers are residential consumers in terms of sales volume, while the other half are commercial entities. With its subsidiaries, the company is also involved in the distribution and sale of liquefied natural gas, high-pressure gas, and gas appliances.
86GF Score
Get the complete analysis for NPNGY
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
NPNGY has been successfully added to your 
