Pampa Energia S.A. (PAM) vs TransAlta (TAC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Pampa Energia S.A. (PAM) has outperformed TransAlta (TAC) over the past year, gaining 32.2% versus a loss of 17.4%. Over five years, PAM leads with a +312.3% price change compared with +14.6% for TAC. Pampa Energia S.A. is the larger company by market cap ($4.32 billion vs $4.08 billion), about 1.1 times the size.
On valuation, Pampa Energia S.A. trades at a lower forward P/E (6.9x vs 31.0x for TransAlta). TransAlta pays a dividend yielding 2.06%, while Pampa Energia S.A. does not currently pay one.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | PAM | TAC |
|---|---|---|
| Share price | $80.68 | $12.89 |
| Market cap | $4.32B | $4.08B |
| 1-day change | +0.70% | +0.08% |
| YTD return | -8.85% | +1.98% |
| 1-year return | +32.15% | -17.42% |
| 5-year return | +312.26% | +14.58% |
| P/E ratio (TTM) | 7.33 | — |
| Forward P/E | 6.87 | 31.04 |
| EPS (TTM) | $11.00 | $-0.22 |
| Dividend yield | 0.00% | 2.06% |
| Annual dividend | $0.00 | $0.265 |
| Revenue (latest FY) | $1.88B | — |
| Revenue growth (YoY) | +8.31% | — |
| Net income (latest FY) | $619.00M | — |
| Gross margin | 31.82% | — |
| Operating margin | 23.45% | — |
| Net margin | 33.00% | — |
| 52-week high | $94.50 | $17.88 |
| 52-week low | $58.50 | $11.38 |
| Distance from 52-week high | -14.62% | -27.91% |
| Analyst consensus | none | buy |
| Avg. price target upside | +50.09% | +0.70% |
| Average volume | 172.52K | 1.74M |
| Shares outstanding | 53.60M | 316.30M |
| Employees | — | 1,350 |
| Sector | Utilities | Utilities |
| Industry | Electric Utilities: Central | Electric Utilities: Central |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- PAM has outperformed TAC by 49.6 percentage points over the past year.
- TransAlta offers a meaningfully higher dividend yield (2.06% vs 0.00%).
About Pampa Energia S.A.
PAM stock →Pampa Energía S.A. operates as an integrated power company in Argentina.
Utilities · Electric Utilities: Central
About TransAlta
TAC stock →TransAlta Corporation engages in the development, production, and sale of electric energy. It operates through Hydro, Wind and Solar, Gas, Energy Transition, and Energy Marketing segments.
Utilities · Electric Utilities: Central · 1,350 employees
PAM vs TAC FAQ
Which is bigger, Pampa Energia S.A. or TransAlta?
Pampa Energia S.A. (PAM) is larger, with a market capitalization of $4.32B compared with $4.08B for TransAlta (TAC).
Which stock has performed better over the past year, PAM or TAC?
PAM returned +32.15% over the past 12 months, compared with -17.42% for TAC (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Pampa Energia S.A. or TransAlta?
TransAlta pays a dividend yielding 2.06%, while Pampa Energia S.A. does not currently pay a regular dividend.
Are Pampa Energia S.A. and TransAlta in the same industry?
Yes. Both are classified in the Electric Utilities: Central industry within the Utilities sector.