Indian OilNSE:IOC -0.04%86 Days Inventory is 64.46 as of Mar. 2026, which is 2% below its 10-year median of 65.54. GuruFocus rates NSE:IOC with a GF Score™ of 86/100 and a GF Value™ of ₹155.52 (Fairly Valued). The stock has 5 warning signs investors should review. Among 687 Oil & Gas companies, Indian Oil ranks worse than 76.27% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Indian Oil's Average Total Inventories for the
three
months ended in Mar. 2026 was ₹1,171,327 Mil. Indian Oil's Cost of Goods Sold for the
three
months ended in Mar. 2026 was ₹1,658,241 Mil.
Hence, Indian Oil's Days Inventory for the
three
months ended in Mar. 2026 was 64.46.
The historical rank and industry rank for Indian Oil's Days Inventory or its related term are showing as below:
NSE:IOC'
s Days Inventory Range Over the Past 10 Years
Min: 55.08 Med: 65.54 Max: 93.77
Current: 64.01
During the past 13 years, Indian Oil's highest Days Inventory was 93.77. The lowest was 55.08. And the median was 65.54.
NSE:IOC's Days Inventory is ranked worse than 76.27% of 687
companies
in the Oil & Gas industry
Industry Median: 31.01
vs NSE:IOC: 64.01
Indian Oil's Days Inventory
increased
from Mar. 2025 (61.59) to Mar. 2026 (64.46).
It might indicate that Indian Oil's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Indian Oil's Inventory Turnover for the
three
months ended in Mar. 2026 was 1.42.
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.
Indian Oil's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.56.
Indian Oil (NSE:IOC) 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.
Indian Oil'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.
Indian Oil'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.
Indian Oil Days Inventory Related Terms
Indian Oil Days Inventory Historical Data
* Premium members only.
The historical data trend for Indian Oil'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.
NSE:IOC vs VLO, MPC, PSX: Days Inventory Comparison
For the Oil & Gas Refining & Marketing subindustry, Indian Oil'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.
Indian Oil Days Inventory vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Indian Oil's Days Inventory distribution charts can be found below:
* The bar in red indicates where Indian Oil'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.
Indian Oil (NSE:IOC) has a Days Inventory of 64.46 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Indian Oil and its competitors. This is near median its historical median of 65.54. Over the past decade, Indian Oil's Days Inventory has ranged from 55.08 to 93.77. According to the industry distribution chart, Indian Oil ranks #524 out of 687 companies in the Oil & Gas industry, placing it in the top 76.3%.
Is Indian Oil's Days Inventory too high?
Indian Oil's current Days Inventory of 64.46 is near median its 10-year median of 65.54. Over the past 10 years, this metric has ranged from a low of 55.08 to a high of 93.77. The Oil & Gas industry median Days Inventory is 31.01. Indian Oil's value of 64.46 is 107.9% above this industry median. Based on the distribution chart, Indian Oil ranks #524 out of 687 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Indian Oil has a GF Score™ of 86/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Indian Oil's Days Inventory compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Indian Oil ranks #524 out of 687 companies for Days Inventory. This places Indian Oil in the lower half of its industry. The industry median Days Inventory is 31.01. Indian Oil's value of 64.46 is 107.9% above this benchmark. Historically, Indian Oil's own Days Inventory has ranged from 55.08 to 93.77 over the past decade. While the company's 10-year median is 65.54 vs. the industry median of 31.01, Indian Oil 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 31.01, based on 687 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. Indian Oil's current Days Inventory of 64.46 is 107.9% 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 Indian Oil and its competitors. For the Oil & Gas industry, the median Days Inventory is 31.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Indian Oil's current Days Inventory is 64.46, which is near median its own 10-year median of 65.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Indian Oil stock overvalued right now?
Based on GuruFocus' analysis, Indian Oil (NSE:IOC) is currently considered Fairly Valued. The stock's GF Value™ is ₹155.52, compared to a current price of ₹141.56 — trading 9% below its estimated fair value. The current Days Inventory is 64.46, which is near median its 10-year median of 65.54 and 107.9% above the Oil & Gas industry median of 31.01. Indian Oil's overall GF Score™ is 86/100 with 5 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 Indian Oil (NSE:IOC), the current Days Inventory is 64.46 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 Indian Oil (NSE:IOC) Overvalued in 2026?
Based on GuruFocus' analysis, Indian Oil stock appears to be undervalued.
The current stock price of ₹141.56 is trading 9% below its estimated GF Value™ of ₹155.52.
GuruFocus considers Indian Oil to be Fairly Valued.
Key valuation signals for NSE:IOC:
Days Inventory: 64.46 (near median its 10-year median of 65.54)
GF Value™: ₹155.52 vs. price of ₹141.56 (9% below fair value)
Industry Position: 107.9% above the Oil & Gas median (#524 of 687)
No single metric tells the full story. See the NSE:IOC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Indian Oil Corp Ltd conducts business across the entire hydrocarbon value chain, from refining, pipeline transportation and marketing, to exploration and production of crude oil and gas, petrochemicals, gas marketing, alternative energy sources, and globalisation of downstream operations. The group is engaged in the following business segments: Sale of Petroleum Products, Sale of Petrochemicals, Sale of Gas, and the Other operating segment, which includes oil and gas exploration activities, explosives and cryogenic business, and windmill and solar power generation. The majority of its revenue is generated from the sale of petroleum products such as motor spirit, high speed diesel, liquified petroleum gas, aviation turbine fuel, and others. Geographically, it derives key revenue from India.
86GF Score
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