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Compare · PAM vs VST

PAM vs VST

Side-by-side comparison of Pampa Energia S.A. (PAM) and Vistra Corp. (VST): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both PAM and VST operate in Electric Utilities: Central (Utilities), so they compete in similar markets.
  • VST is the larger of the two at $49.30B, about 11.0x PAM ($4.50B).
  • Over the past year, PAM is up 9.0% and VST is down 11.2% - PAM leads by 20.2 points.
  • VST has been more active in the news (15 items in the past 4 weeks vs 5 for PAM).
  • VST has more recent analyst coverage (24 ratings vs 10 for PAM).
PerformancePAM+8.96%VST-11.20%
2025-06-10+0.00%2026-06-09
MetricPAMVST
Company
Pampa Energia S.A.
Vistra Corp.
Price
$82.69+0.35%
$146.27-0.42%
Market cap
$4.50B
$49.30B
1M return
+4.95%
-0.97%
1Y return
+8.96%
-11.20%
Industry
Electric Utilities: Central
Electric Utilities: Central
Exchange
NYSE
NYSE
IPO
News (4w)
5
15
Recent ratings
10
24
PAM

Pampa Energia S.A.

Pampa Energía S.A., an integrated power company, engages in the generation and transmission of electricity in Argentina. It operates through Electricity Generation, Oil and Gas, Petrochemicals, and Holding and Other Business segments. The company generates electricity through combined thermal generation plants, open-cycle gas turbines, and hydroelectric power generation systems, as well as through a wind farm. It has an installed electricity generation capacity of approximately 4,955 megawatts; and 21,090 kilometers of high voltage electricity transmission network in Argentina. The company is also involved in the exploration and production of oil and gas. In addition, it offers petrochemicals, such as styrene, synthetic rubber, and polystyrene. As of December 31, 2020, the company had approximately 13.526 thousands of barrels of oil and LNG, as well as 21.790 millions of cubic meters of natural gas; owned a refinery with an installed capacity of approximately 25.8 thousand barrels per day; and operated a network of 91 gas stations. The company was formerly known as Pampa Holding S.A. and changed its name to Pampa Energía S.A. in September 2008. Pampa Energía S.A. was incorporated in 1945 and is based in Buenos Aires, Argentina.

VST

Vistra Corp.

Vistra Corp., together with its subsidiaries, engages in the electricity business in the United States. It operates through six segments: Retail, Texas, East, West, Sunset, and Asset Closure. The company retails electricity and natural gas to residential, commercial, and industrial customers across 20 states in the United States and the District of Columbia. It is also involved in the electricity generation, wholesale energy sales and purchases, commodity risk management, fuel production, and fuel logistics management activities. The company serves approximately 4.5 million residential, commercial, and industrial customers. It has a generation capacity of approximately 38,700 megawatts with a portfolio of natural gas, nuclear, coal, solar, and battery energy storage facilities. The company was formerly known as Vistra Energy Corp. and changed its name to Vistra Corp. in July 2020. Vistra Corp. was founded in 1882 and is based in Irving, Texas.

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