Argentina Markets: Merval & the Peso — July 22, 2026
Argentina’s S&P Merval index rose 1.81% to 3,281,979 points, led by energy and utilities. Pampa Energía gained 3.9% and Metrogas 7.2%, while YPF added 1.8%. The peso strengthened, with USD/ARS down 0.25% to 1,478. Trading was concentrated in YPF and Grupo Galicia, according to market data.
How this was made

The 30-second read
Why it matters
The actionable takeaway is relative positioning: energy and regulated utilities led the index, while financials and consumer discretionary lagged, alongside a modest peso appreciation (USD/ARS down).
Market read
Traders can use the session’s sector leadership and FX stability to gauge whether flows remain concentrated in energy and utilities or broaden to other groups.
What to watch
The article cites FX stability under tight controls, but does not quantify policy risk or upcoming macro data; those could change the breadth and sector leadership quickly.
Background
The piece frames the session as an extension of the “Milei reform trade,” where investors favor deregulation and tariff normalization beneficiaries in Argentina’s energy and utilities complex.
Ticker impact
YPF added 1.8% as investors rewarded the same Milei energy reform narrative, with a supportive global crude backdrop.
Moderately positive near-term bias if crude stays firm and tariff reform expectations persist.
The text links YPF’s gain to the reform trade and explicitly notes a supportive global crude environment.
CEPU rose 2.23% as utilities led the Merval rally, framed as pricing power from tariff normalization.
Potential for follow-through while utilities remain the index’s leadership cohort.
The article provides sector attribution and the day’s move but no company-specific catalyst beyond the reform narrative.
TGS gained 2.21% alongside energy leaders, tied to expectations of investment and more realistic gas pricing.
Positive bias while the market continues rotating into energy and utilities.
The move is explained at the sector level; the article does not disclose a TGS-specific event.
GGAL is cited among financials that were up only slightly (+0.28%) while the index leadership stayed in energy and utilities.
Neutral to slightly negative relative performance versus energy/utility proxies if rotation persists.
The article provides only relative sector performance, not a GGAL-specific catalyst.
MELI (MercadoLibre) declined 0.53% as consumer discretionary lagged in the session.
Slight relative underperformance risk if the rally stays concentrated in energy and utilities.
The article frames the move as part of sector rotation without MELI-specific information.
Market effects
Utilities and energy are acting as the primary “Milei reform trade” beneficiaries, implying relative outperformance versus financials and consumer discretionary.
Argentina’s move is described as homegrown and sector-specific, with limited read-through to other LatAm indices beyond general risk sentiment.
YPF’s gain is linked to a supportive global crude backdrop, so crude direction can reinforce or fade the trade.
Counterpoint
The rally is characterized as rotation, so energy and utility outperformance could reverse quickly if the market broadens or if tariff reform expectations disappoint.
Key entities
- indexMerval
Argentina’s main stock index, up 1.81% to 3,281,979 points on the session.
- equityPampa Energía
Electricity generator and gas producer, up 3.9% and highlighted as a top driver of the rally.
- equityYPF
State-controlled oil giant, up 1.8% and described as benefiting from the reform narrative and crude support.
- equityMetrogas
Natural-gas distributor, described as up 7.2% (note: ticker not explicitly provided in the text).
- FXPeso (USD/ARS)
USD/ARS fell about 0.25% to 1,478, indicating peso appreciation under tight monetary controls.




