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AltaGasTSX:ALA +1.35%74 5-Year Yield-on-Cost % is 3.10 as of Jul. 23, 2026, which is 48% below its 10-year median of 5.95. GuruFocus rates TSX:ALA with a GF Score™ of 74/100 and a GF Value™ of C$32.94 (Significantly Overvalued). The stock has 15 warning signs investors should review. Among 500 Oil & Gas companies, AltaGas ranks worse than 66% on this metric.
AltaGas's yield on cost for the quarter that ended in Mar. 2026 was 3.10.
The historical rank and industry rank for AltaGas's 5-Year Yield-on-Cost % or its related term are showing as below:
TSX:ALA'
s 5-Year Yield-on-Cost % Range Over the Past 10 Years
Min: 3.01 Med: 5.95 Max: 22.49
Current: 3.1
During the past 13 years, AltaGas's highest Yield on Cost was 22.49. The lowest was 3.01. And the median was 5.95.
TSX:ALA's 5-Year Yield-on-Cost % is ranked worse than 66% of 500
companies
in the Oil & Gas industry
Industry Median: 4.87
vs TSX:ALA: 3.10
Of course the risk here is that the company may not raise its dividends as it did before. The key is to select the companies that can consistently raise its dividends. Usually companies with long history of raising dividends tend to do so.
AltaGas 5-Year Yield-on-Cost % Related Terms
TSX:ALA vs WMB, EPD, KMI: 5-Year Yield-on-Cost % Comparison
For the Oil & Gas Midstream subindustry, AltaGas's 5-Year Yield-on-Cost %, along with its competitors' market caps and 5-Year Yield-on-Cost % 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 5-Year Yield-on-Cost % vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, AltaGas's 5-Year Yield-on-Cost % distribution charts can be found below:
* The bar in red indicates where AltaGas's 5-Year Yield-on-Cost % falls into.
Dividend Yield % and dividend growth of a stock is an important factor for income investors. But if company A raises its dividend constantly faster than company B, company A's future dividend yield might be much higher than Company B's even if their yields are the same now and their stock prices do not change.
Yield on Cost assumes that you buy and the stock today, and hold it for 5 years. If the company raises it dividends at the same rate as it did over the past 5 years, the dividends investors receive annually in 5 years relative to the stock price today.
Therefore, Yield-on-Cost of AltaGas is calculated as
AltaGas (TSX:ALA) has a 5-Year Yield-on-Cost % of 3.10 as of Jul. 23, 2026. 5-Year Yield on Cost measures the expected yield based on a company's current yield and 5-year dividend growth. View historical data on AltaGas and its competitors. This is 48% below median its historical median of 5.95. Over the past decade, AltaGas' 5-Year Yield-on-Cost % has ranged from 3.01 to 22.49. According to the industry distribution chart, AltaGas ranks #330 out of 500 companies in the Oil & Gas industry, placing it in the top 66%.
Is AltaGas' 5-Year Yield-on-Cost % too high?
AltaGas' current 5-Year Yield-on-Cost % of 3.10 is 48% below median its 10-year median of 5.95. Over the past 10 years, this metric has ranged from a low of 3.01 to a high of 22.49. The Oil & Gas industry median 5-Year Yield-on-Cost % is 4.87. AltaGas' value of 3.10 is 36.3% below this industry median. Based on the distribution chart, AltaGas ranks #330 out of 500 companies in the Oil & Gas industry, which is below the industry midpoint. Overall, AltaGas has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AltaGas' 5-Year Yield-on-Cost % compare to WMB and EPD?
According to the Oil & Gas industry distribution chart, AltaGas ranks #330 out of 500 companies for 5-Year Yield-on-Cost %. This places AltaGas in the lower half of its industry. The industry median 5-Year Yield-on-Cost % is 4.87. AltaGas' value of 3.10 is 36.3% below this benchmark. Historically, AltaGas' own 5-Year Yield-on-Cost % has ranged from 3.01 to 22.49 over the past decade. While the company's 10-year median is 5.95 vs. the industry median of 4.87, 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 5-Year Yield-on-Cost % for an Oil & Gas company?
The median 5-Year Yield-on-Cost % among Oil & Gas companies is 4.87, based on 500 companies in the industry. Companies in the top quartile (top 25%) have a 5-Year Yield-on-Cost % significantly above this median, while those in the bottom quartile fall well below. However, 5-Year Yield-on-Cost % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. AltaGas's current 5-Year Yield-on-Cost % of 3.10 is 36.3% 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 5-Year Yield-on-Cost % mean?
A high 5-Year Yield-on-Cost % can signal that a stock is expensive relative to its fundamentals. 5-Year Yield on Cost measures the expected yield based on a company's current yield and 5-year dividend growth. View historical data on AltaGas and its competitors. For the Oil & Gas industry, the median 5-Year Yield-on-Cost % is 4.87 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. AltaGas's current 5-Year Yield-on-Cost % is 3.10, which is 48% below median its own 10-year median of 5.95. 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$32.94, compared to a current price of C$56.98 — trading 73% above its estimated fair value. The current 5-Year Yield-on-Cost % is 3.10, which is 48% below median its 10-year median of 5.95 and 36.3% below the Oil & Gas industry median of 4.87. AltaGas' overall GF Score™ is 74/100 with 15 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 5-Year Yield-on-Cost % calculated?
5-Year Yield-on-Cost % is calculated from a company's financial statements. For AltaGas (TSX:ALA), the current 5-Year Yield-on-Cost % is 3.10 as of Jul. 23, 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$56.98 is trading 73% above its estimated GF Value™ of C$32.94.
GuruFocus considers AltaGas to be Significantly Overvalued.
Key valuation signals for TSX:ALA:
5-Year Yield-on-Cost %: 3.10 (48% below median its 10-year median of 5.95)
GF Value™: C$32.94 vs. price of C$56.98 (73% above fair value)
Industry Position: 36.3% below the Oil & Gas median (#330 of 500)
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.
74GF Score
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