AltaGasTSX:ALA +1.07%76 Days Inventory is 17.13 as of Mar. 2026, which is 62% below its 10-year median of 44.63. GuruFocus rates TSX:ALA with a GF Score™ of 76/100 and a GF Value™ of C$33.08 (Significantly Overvalued). The stock has 15 warning signs investors should review. Among 687 Oil & Gas companies, AltaGas ranks better than 59.97% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). AltaGas's Average Total Inventories for the
three
months ended in Mar. 2026 was C$577 Mil. AltaGas's Cost of Goods Sold for the
three
months ended in Mar. 2026 was C$3,074 Mil.
Hence, AltaGas's Days Inventory for the
three
months ended in Mar. 2026 was 17.13.
The historical rank and industry rank for AltaGas's Days Inventory or its related term are showing as below:
TSX:ALA'
s Days Inventory Range Over the Past 10 Years
Min: 22.92 Med: 44.63 Max: 76.27
Current: 22.92
During the past 13 years, AltaGas's highest Days Inventory was 76.27. The lowest was 22.92. And the median was 44.63.
TSX:ALA's Days Inventory is ranked better than 59.97% of 687
companies
in the Oil & Gas industry
Industry Median: 31.01
vs TSX:ALA: 22.92
AltaGas's Days Inventory
declined
from Mar. 2025 (19.69) to Mar. 2026 (17.13).
Inventory Turnover measures how fast the company turns over its inventory within a year.
AltaGas's Inventory Turnover for the
three
months ended in Mar. 2026 was 5.33.
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.
AltaGas's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.15.
AltaGas (TSX:ALA) 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.
AltaGas'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.
AltaGas'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.
AltaGas Days Inventory Related Terms
AltaGas Days Inventory Historical Data
* Premium members only.
The historical data trend for AltaGas'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.
TSX:ALA vs WMB, EPD, KMI: Days Inventory Comparison
For the Oil & Gas Midstream subindustry, AltaGas'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.
AltaGas Days Inventory vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, AltaGas's Days Inventory distribution charts can be found below:
* The bar in red indicates where AltaGas'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.
AltaGas (TSX:ALA) has a Days Inventory of 17.13 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on AltaGas and its competitors. This is 62% below median its historical median of 44.63. Over the past decade, AltaGas' Days Inventory has ranged from 22.92 to 76.27. According to the industry distribution chart, AltaGas ranks #275 out of 687 companies in the Oil & Gas industry, placing it in the top 40%.
Is AltaGas' Days Inventory too high?
AltaGas' current Days Inventory of 17.13 is 62% below median its 10-year median of 44.63. Over the past 10 years, this metric has ranged from a low of 22.92 to a high of 76.27. The Oil & Gas industry median Days Inventory is 31.01. AltaGas' value of 17.13 is 44.8% below this industry median. Based on the distribution chart, AltaGas ranks #275 out of 687 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, AltaGas has a GF Score™ of 76/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AltaGas' Days Inventory compare to WMB and EPD?
According to the Oil & Gas industry distribution chart, AltaGas ranks #275 out of 687 companies for Days Inventory. This puts AltaGas in the upper half of its industry. The industry median Days Inventory is 31.01. AltaGas' value of 17.13 is 44.8% below this benchmark. Historically, AltaGas' own Days Inventory has ranged from 22.92 to 76.27 over the past decade. While the company's 10-year median is 44.63 vs. the industry median of 31.01, AltaGas 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 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. AltaGas's current Days Inventory of 17.13 is 44.8% 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 AltaGas 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. AltaGas's current Days Inventory is 17.13, which is 62% below median its own 10-year median of 44.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AltaGas stock overvalued right now?
Based on GuruFocus' analysis, AltaGas (TSX:ALA) is currently considered Significantly Overvalued. The stock's GF Value™ is C$33.08, compared to a current price of C$52.69 — trading 59.3% above its estimated fair value. The current Days Inventory is 17.13, which is 62% below median its 10-year median of 44.63 and 44.8% below the Oil & Gas industry median of 31.01. AltaGas' overall GF Score™ is 76/100 with 15 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 AltaGas (TSX:ALA), the current Days Inventory is 17.13 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 AltaGas (TSX:ALA) Overvalued in 2026?
Based on GuruFocus' analysis, AltaGas stock appears to be overvalued.
The current stock price of C$52.69 is trading 59.3% above its estimated GF Value™ of C$33.08.
GuruFocus considers AltaGas to be Significantly Overvalued.
Key valuation signals for TSX:ALA:
Days Inventory: 17.13 (62% below median its 10-year median of 44.63)
GF Value™: C$33.08 vs. price of C$52.69 (59.3% above fair value)
Industry Position: 44.8% below the Oil & Gas median (#275 of 687)
No single metric tells the full story. See the TSX:ALA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
AltaGas Ltd is a North American energy infrastructure company that connects customers and markets to energy sources. AltaGas has three reporting segments: Utilities, Midstream, and Corporate/Other. The majority of its revenue is generated from the Midstream segment, which operates a North American energy platform that moves natural gas and LPGs from the wellhead to markets. It exports propane and butane to Asia through its LPG terminals, and runs natural gas gathering, processing, fractionation, liquids handling, and storage infrastructure. The segment also includes its natural gas and natural gas liquids (NGLs) marketing business, domestic logistics, trucking and rail terminals, and liquid and natural gas storage capability. Geographically, the firm derives its key revenue from the U.S.
76GF Score
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