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VistraMEX:VST +2.28%80 3-Year Share Buyback Ratio is 4.60 as of Mar. 2026, which is 171% above its 10-year median of 1.70. GuruFocus rates MEX:VST with a GF Score™ of 80/100 and a GF Value™ of MXN2,975.84 (Fairly Valued). The stock has 6 warning signs investors should review. Among 223 Utilities - Independent Power Producers companies, Vistra ranks better than 96.86% 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. Vistra's current 3-Year Share Buyback Ratio was 4.60%.
The historical rank and industry rank for Vistra's 3-Year Share Buyback Ratio or its related term are showing as below:
MEX:VST'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -4.9 Med: 1.7 Max: 10.4
Current: 4.6
During the past 12 years, Vistra's highest 3-Year Share Buyback Ratio was 10.40%. The lowest was -4.90%. And the median was 1.70%.
MEX:VST's 3-Year Share Buyback Ratio is ranked better than 96.86% of 223
companies
in the Utilities - Independent Power Producers industry
Industry Median: -3.4
vs MEX:VST: 4.60
Vistra (MEX:VST) 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.
Vistra 3-Year Share Buyback Ratio Related Terms
MEX:VST vs NRG, TLN, CEG: 3-Year Share Buyback Ratio Comparison
For the Utilities - Independent Power Producers subindustry, Vistra'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.
Vistra 3-Year Share Buyback Ratio vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Vistra's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Vistra'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 4.60 mean?
Vistra (MEX:VST) has a 3-Year Share Buyback Ratio of 4.60 as of Mar. 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 Vistra and its competitors. This is 171% above median its historical median of 1.70. According to the industry distribution chart, Vistra ranks #7 out of 223 companies in the Utilities - Independent Power Producers industry, placing it in the top 3.1%.
Is Vistra's 3-Year Share Buyback Ratio too high?
Vistra's current 3-Year Share Buyback Ratio of 4.60 is 171% above median its 10-year median of 1.70. Based on the distribution chart, Vistra ranks #7 out of 223 companies in the Utilities - Independent Power Producers industry, which is in the top quartile — a strong position relative to peers. Overall, Vistra has a GF Score™ of 80/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Vistra's 3-Year Share Buyback Ratio compare to NRG and TLN?
According to the Utilities - Independent Power Producers industry distribution chart, Vistra ranks #7 out of 223 companies for 3-Year Share Buyback Ratio. This places Vistra in the top 3% 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 an Utilities - Independent Power Producers company?
A good 3-Year Share Buyback Ratio depends on the Utilities - Independent Power Producers 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 Vistra and its competitors. Vistra's current 3-Year Share Buyback Ratio is 4.60, which is 171% above median its own 10-year median of 1.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Vistra stock overvalued right now?
Based on GuruFocus' analysis, Vistra (MEX:VST) is currently considered Fairly Valued. The stock's GF Value™ is MXN2,975.84, compared to a current price of MXN2,919.00 — trading 1.9% below its estimated fair value. The current 3-Year Share Buyback Ratio is 4.60, which is 171% above median its 10-year median of 1.70. Vistra's overall GF Score™ is 80/100 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 Vistra (MEX:VST), the current 3-Year Share Buyback Ratio is 4.60 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 Vistra (MEX:VST) Overvalued in 2026?
Based on GuruFocus' analysis, Vistra stock appears to be undervalued.
The current stock price of MXN2,919.00 is trading 1.9% below its estimated GF Value™ of MXN2,975.84.
GuruFocus considers Vistra to be Fairly Valued.
Key valuation signals for MEX:VST:
3-Year Share Buyback Ratio: 4.60 (171% above median its 10-year median of 1.70)
GF Value™: MXN2,975.84 vs. price of MXN2,919.00 (1.9% below fair value)
No single metric tells the full story. See the MEX:VST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Vistra Corp. is one of the largest power producers and retail energy providers in the US. It owns 44 gigawatts of generation capacity, including natural gas (27 GW), nuclear (6.5 GW), coal (8.7 GW), and solar and battery storage (1.3 GW). The Cogentrix acquisition will add 5.5 GW of gas generation. Vistra's retail electricity business serves 5 million customers in 20 states, including almost a third of all Texas electricity consumers. Vistra emerged from the Energy Future Holdings bankruptcy as a stand-alone entity in 2016.
80GF Score
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