AltaGas (TSX:ALA) 3-Year Share Buyback Ratio: -3.40% (As of Jun. 2026)

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Director of Data and Quant Analytics at GuruFocus
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Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TSX:ALA AltaGas Ltd TSX:ALA
73 GF Score
Price C$51.91
GF Value C$36.75
Valuation Significantly Overvalued
! 11 Warning Signs
View Full Analysis

What is AltaGas 3-Year Share Buyback Ratio?

AltaGas TSX:ALA -0.65% 73 3-Year Share Buyback Ratio is -3.40 as of Jun. 2026. GuruFocus rates TSX:ALA with a GF Score™ of 73/100 and a GF Value™ of C$36.75 (Significantly Overvalued). The stock has 11 warning signs investors should review. Among 684 Oil & Gas companies, AltaGas ranks better than 50.29% on this metric.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. AltaGas's current 3-Year Share Buyback Ratio was -3.40%.

The historical rank and industry rank for AltaGas's 3-Year Share Buyback Ratio or its related term are showing as below:

TSX:ALA' s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -23.5   Med: -8   Max: -0.3
Current: -3.4

During the past 13 years, AltaGas's highest 3-Year Share Buyback Ratio was -0.30%. The lowest was -23.50%. And the median was -8.00%.

TSX:ALA's 3-Year Share Buyback Ratio is ranked better than
50.29% of 684 companies
in the Oil & Gas industry
Industry Median: -3.55 vs TSX:ALA: -3.40

AltaGas (TSX:ALA) 3-Year Share Buyback Ratio Explanation

A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.


Be Aware

Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.


AltaGas 3-Year Share Buyback Ratio Related Terms


TSX:ALA vs WMB, EPD, ET: 3-Year Share Buyback Ratio Comparison

For the Oil & Gas Midstream subindustry, AltaGas's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback Ratio 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 3-Year Share Buyback Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, AltaGas's 3-Year Share Buyback Ratio distribution charts can be found below:

* The bar in red indicates where AltaGas's 3-Year Share Buyback Ratio falls into.


TSX:ALA
73GF Score
AltaGas Ltd TSX:ALA
3-Year Share Buyback Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

AltaGas 3-Year Share Buyback Ratio Calculation

This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.

What does a 3-Year Share Buyback Ratio of -3.40 mean?
AltaGas (TSX:ALA) has a 3-Year Share Buyback Ratio of -3.40 as of Jun. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for AltaGas and its competitors. According to the industry distribution chart, AltaGas ranks #340 out of 684 companies in the Oil & Gas industry, placing it in the top 49.7%.
Is AltaGas' 3-Year Share Buyback Ratio too high?
AltaGas' current 3-Year Share Buyback Ratio is -3.40. Based on the distribution chart, AltaGas ranks #340 out of 684 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, AltaGas has a GF Score™ of 73/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AltaGas' 3-Year Share Buyback Ratio compare to WMB and EPD?
According to the Oil & Gas industry distribution chart, AltaGas ranks #340 out of 684 companies for 3-Year Share Buyback Ratio. This puts AltaGas in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for an Oil & Gas company?
A good 3-Year Share Buyback Ratio depends on the Oil & Gas industry context. However, 3-Year Share Buyback Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for AltaGas and its competitors. AltaGas's current 3-Year Share Buyback Ratio is -3.40. 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$36.75, compared to a current price of C$51.91 — trading 41.3% above its estimated fair value. The current 3-Year Share Buyback Ratio is -3.40. AltaGas' overall GF Score™ is 73/100 with 11 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For AltaGas (TSX:ALA), the current 3-Year Share Buyback Ratio is -3.40 as of Jun. 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$51.91 is trading 41.3% above its estimated GF Value™ of C$36.75. GuruFocus considers AltaGas to be Significantly Overvalued.

Key valuation signals for TSX:ALA:

  • 3-Year Share Buyback Ratio: -3.40
  • GF Value™: C$36.75 vs. price of C$51.91 (41.3% above fair value)
  • GF Score™: 73/100 with 11 warning signs

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 Business Description

Industry EnergyOil & Gas
Address 707 - 5th Street SW, Suite 1300, Calgary, AB, CAN, T2P 1V8
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.
73GF Score

Get the complete analysis for TSX:ALA

3-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

C$51.91
Price
C$36.75
GF Value