Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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.
Air CanadaTSX:AC -2.53%84 3-Year Share Buyback Ratio is 6.30 as of Jun. 2026. GuruFocus rates TSX:AC with a GF Score™ of 84/100 and a GF Value™ of C$25.25 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 528 Transportation companies, Air Canada ranks better than 97.73% 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. Air Canada's current 3-Year Share Buyback Ratio was 6.30%.
The historical rank and industry rank for Air Canada's 3-Year Share Buyback Ratio or its related term are showing as below:
TSX:AC'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -40.8 Med: 0 Max: 6.3
Current: 6.3
During the past 13 years, Air Canada's highest 3-Year Share Buyback Ratio was 6.30%. The lowest was -40.80%. And the median was 0.00%.
TSX:AC's 3-Year Share Buyback Ratio is ranked better than 97.73% of 528
companies
in the Transportation industry
Industry Median: -0.5
vs TSX:AC: 6.30
Air Canada (TSX:AC) 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.
Air Canada 3-Year Share Buyback Ratio Related Terms
TSX:AC vs DAL, UAL, LUV: 3-Year Share Buyback Ratio Comparison
For the Airlines subindustry, Air Canada'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.
Air Canada 3-Year Share Buyback Ratio vs Transportation Industry
For the Transportation industry and Industrials sector, Air Canada's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Air Canada's 3-Year Share Buyback Ratio falls into.
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 6.30 mean?
Air Canada (TSX:AC) has a 3-Year Share Buyback Ratio of 6.30 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 Air Canada and its competitors. According to the industry distribution chart, Air Canada ranks #12 out of 528 companies in the Transportation industry, placing it in the top 2.3%.
Is Air Canada's 3-Year Share Buyback Ratio too high?
Air Canada's current 3-Year Share Buyback Ratio is 6.30. Based on the distribution chart, Air Canada ranks #12 out of 528 companies in the Transportation industry, which is in the top quartile — a strong position relative to peers. Overall, Air Canada has a GF Score™ of 84/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Air Canada's 3-Year Share Buyback Ratio compare to DAL and UAL?
According to the Transportation industry distribution chart, Air Canada ranks #12 out of 528 companies for 3-Year Share Buyback Ratio. This places Air Canada in the top 2% of its industry — outperforming the majority of peers. 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 a Transportation company?
A good 3-Year Share Buyback Ratio depends on the Transportation 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 Air Canada and its competitors. Air Canada's current 3-Year Share Buyback Ratio is 6.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Air Canada stock overvalued right now?
Based on GuruFocus' analysis, Air Canada (TSX:AC) is currently considered Modestly Overvalued. The stock's GF Value™ is C$25.25, compared to a current price of C$29.64 — trading 17.4% above its estimated fair value. The current 3-Year Share Buyback Ratio is 6.30. Air Canada's overall GF Score™ is 84/100 with 6 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 Air Canada (TSX:AC), the current 3-Year Share Buyback Ratio is 6.30 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 Air Canada (TSX:AC) Overvalued in 2026?
Based on GuruFocus' analysis, Air Canada stock appears to be overvalued.
The current stock price of C$29.64 is trading 17.4% above its estimated GF Value™ of C$25.25.
GuruFocus considers Air Canada to be Modestly Overvalued.
Key valuation signals for TSX:AC:
3-Year Share Buyback Ratio: 6.30
GF Value™: C$25.25 vs. price of C$29.64 (17.4% above fair value)
No single metric tells the full story. See the TSX:AC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Air Canada is Canada's largest airline, serving nearly 50 million passengers each year, together with its low-cost subbrand, Rouge, and contracts for regional connection flights into its network. Air Canada is a sixth-freedom airline, which flies many passengers on long-haul trips to and from the US with a layover in Canada.
84GF Score
Get the complete analysis for TSX:AC
3-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
TSX:AC has been successfully added to your 
