Oil & Natural GasNSE:ONGC +1.15%91 Days Inventory is 53.35 as of Mar. 2026, which is 26% above its 10-year median of 42.50. GuruFocus rates NSE:ONGC with a GF Score™ of 91/100 and a GF Value™ of ₹271.09 (Fairly Valued). The stock has 2 warning signs investors should review. Among 685 Oil & Gas companies, Oil & Natural Gas ranks worse than 68.03% on this metric.
The historical rank and industry rank for Oil & Natural Gas's Days Inventory or its related term are showing as below:
NSE:ONGC'
s Days Inventory Range Over the Past 10 Years
Min: 35.65 Med: 42.5 Max: 61.96
Current: 49.62
During the past 13 years, Oil & Natural Gas's highest Days Inventory was 61.96. The lowest was 35.65. And the median was 42.50.
NSE:ONGC's Days Inventory is ranked worse than 68.03% of 685
companies
in the Oil & Gas industry
Industry Median: 30.99
vs NSE:ONGC: 49.62
Oil & Natural Gas's Days Inventory
increased
from Mar. 2025 (46.78) to Mar. 2026 (53.35).
It might indicate that Oil & Natural Gas's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Oil & Natural Gas's Inventory Turnover for the
three
months ended in Mar. 2026 was 1.71.
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.
Oil & Natural Gas's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.37.
Oil & Natural Gas (NSE:ONGC) 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.
Oil & Natural Gas'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.
Oil & Natural Gas'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.
Oil & Natural Gas Days Inventory Related Terms
Oil & Natural Gas Days Inventory Historical Data
* Premium members only.
The historical data trend for Oil & Natural Gas'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 Oil & Gas Integrated subindustry, Oil & Natural Gas'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.
Oil & Natural Gas Days Inventory vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Oil & Natural Gas's Days Inventory distribution charts can be found below:
* The bar in red indicates where Oil & Natural Gas'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.
Oil & Natural Gas (NSE:ONGC) has a Days Inventory of 53.35 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Oil & Natural Gas and its competitors. This is 26% above median its historical median of 42.50. Over the past decade, Oil & Natural Gas' Days Inventory has ranged from 35.65 to 61.96. According to the industry distribution chart, Oil & Natural Gas ranks #466 out of 685 companies in the Oil & Gas industry, placing it in the top 68%.
Is Oil & Natural Gas' Days Inventory too high?
Oil & Natural Gas' current Days Inventory of 53.35 is 26% above median its 10-year median of 42.50. Over the past 10 years, this metric has ranged from a low of 35.65 to a high of 61.96. The Oil & Gas industry median Days Inventory is 30.99. Oil & Natural Gas' value of 53.35 is 72.2% above this industry median. Based on the distribution chart, Oil & Natural Gas ranks #466 out of 685 companies in the Oil & Gas industry, which is below the industry midpoint. Overall, Oil & Natural Gas has a GF Score™ of 91/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Oil & Natural Gas' Days Inventory compare to XOM and CVX?
According to the Oil & Gas industry distribution chart, Oil & Natural Gas ranks #466 out of 685 companies for Days Inventory. This places Oil & Natural Gas in the lower half of its industry. The industry median Days Inventory is 30.99. Oil & Natural Gas' value of 53.35 is 72.2% above this benchmark. Historically, Oil & Natural Gas' own Days Inventory has ranged from 35.65 to 61.96 over the past decade. While the company's 10-year median is 42.50 vs. the industry median of 30.99, Oil & Natural Gas 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 an Oil & Gas company?
The median Days Inventory among Oil & Gas companies is 30.99, based on 685 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. Oil & Natural Gas's current Days Inventory of 53.35 is 72.2% 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 Oil & Natural Gas and its competitors. For the Oil & Gas industry, the median Days Inventory is 30.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Oil & Natural Gas's current Days Inventory is 53.35, which is 26% above median its own 10-year median of 42.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Oil & Natural Gas stock overvalued right now?
Based on GuruFocus' analysis, Oil & Natural Gas (NSE:ONGC) is currently considered Fairly Valued. The stock's GF Value™ is ₹271.09, compared to a current price of ₹247.00 — trading 8.9% below its estimated fair value. The current Days Inventory is 53.35, which is 26% above median its 10-year median of 42.50 and 72.2% above the Oil & Gas industry median of 30.99. Oil & Natural Gas' overall GF Score™ is 91/100 with 2 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 Oil & Natural Gas (NSE:ONGC), the current Days Inventory is 53.35 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 Oil & Natural Gas (NSE:ONGC) Overvalued in 2026?
Based on GuruFocus' analysis, Oil & Natural Gas stock appears to be undervalued.
The current stock price of ₹247.00 is trading 8.9% below its estimated GF Value™ of ₹271.09.
GuruFocus considers Oil & Natural Gas to be Fairly Valued.
Key valuation signals for NSE:ONGC:
Days Inventory: 53.35 (26% above median its 10-year median of 42.50)
GF Value™: ₹271.09 vs. price of ₹247.00 (8.9% below fair value)
Industry Position: 72.2% above the Oil & Gas median (#466 of 685)
No single metric tells the full story. See the NSE:ONGC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Oil & Natural Gas Corp Ltd is an Indian-based company. It engaged in the exploration, development, and production of crude oil, natural gas, and value-added products. Along with its subsidiaries, the company operates in the following business segments: Refining and Marketing, which derives maximum revenue, Exploration and Production, and Petrochemicals. Geographically, the group derives maximum revenue from India, from its offshore and onshore activities, and is also involved in exploration and production activities outside India.
91GF Score
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