Argentina Markets: Merval & the Peso — July 24, 2026
Key Facts
- The Merval, Argentina’s benchmark stock index, fell 1.78% to 3,319,522, surrendering the week’s earlier gains as a heavy sell-off in a single US-listed stock rippled through the local board.
- The peso weakened 0.43% to 1,489 per dollar, hovering just a breath from its all-time low of 1,492, as the controlled crawl continued to pressure the currency.
- Tesla’s locally traded CEDEAR plunged 13.7% with heavy turnover of $10 million, making the foreign listing the biggest single drag on sentiment even though it is not a domestic company.
- Financial heavyweight Grupo Galicia slid 4.0%, leading the losses among Argentine banks as the initial euphoria around President Milei’s reform agenda showed signs of fatigue.
- Energy stocks offered a lone bright spot, with Vista Energy jumping 4.2%, distancing itself from the broader market weakness as investors rewarded its production profile.
Today’s Focus
The Buenos Aires stock market had a rough Thursday. The Merval index dropped 1.78% to 3,319,522, snapping its recent winning streak. The fall was not a direct verdict on Argentina’s economic policy.
Instead, it came from offshore. A disastrous session for Tesla shares on Wall Street sent its Buenos Aires-traded proxy, a CEDEAR, plummeting 13.7%. With $10 million in volume, it was the day’s dominant story.
That external shock exposed thin local appetite. Domestic financial names like Grupo Galicia, a bellwether for the Milei reform trade, gave back 4.0%. Energy was the exception, with Vista Energy rallying 4.2%.
The peso continued its managed decline, weakening 0.43% to 1,489 per dollar. It now sits just three pesos from its record low, a level the central bank seems willing to let it test slowly.
What matters today. A sharp drop in foreign-listed Tesla shares drowned out domestic conviction, leaving the market to close heavily in the red.
01 The session in one read
July 23 was a session where global noise drowned out local music. The Merval—Argentina’s main stock index, tracking the largest companies in Buenos Aires—closed down 1.78% at 3,319,522 points, a retreat that had more to do with California than Córdoba.
The spotlight fell squarely on Tesla’s CEDEAR, a locally listed certificate that tracks the US automaker’s shares. Those certificates cratered 13.7% on volume of $10 million, making the stock the day’s most-traded instrument by far.
A CEDEAR works like a local proxy—Argentine investors use them to gain exposure to global names without sending money abroad. When the original stock tumbles on Wall Street, the CEDEAR follows in lockstep. Today, it dragged the whole local tape lower.
Beyond the Tesla detonation, the session felt cautious. The peso slipped 0.43% to 1,489 per dollar, moving within a whisper of its 52-week low of 1,492, while big domestic banks stepped back from their recent rally on Milei reform bets.
Thursday’s losses look more like a positional flush prompted by a single foreign stock than a fundamental rethink of Argentina’s economic path. Turnover was concentrated in CEDEARs—locally traded certificates of foreign shares—and the biggest domestic decliners saw relatively modest moves, suggesting no wholesale dumping of Argentine risk. Still, the 4% drop in Grupo Galicia is a yellow flag: the bank is a proxy for confidence in President Milei’s deregulation and fiscal tightening, and persistent weakness there would signal trouble. The variable to watch is whether domestic buyers step in to defend financials on Friday before the weekend.
02 The day’s numbers
| Measure | Level | Change | Read |
|---|---|---|---|
| Merval Index | 3,319,522 | −1.78% | Pulled lower by foreign CEDEAR shock |
| USD/ARS (Peso) | 1,489 | +0.43% | 3 pesos from the record low of 1,492 |
| S&P 500 (US) | 7,408 | −1.21% | 2.6% below its 52-week high |
The Merval’s decline was crisp and broad enough to wipe out optimism from earlier in the week. At 3,319,522, the index remains well off its highs, though Argentina’s benchmark is notoriously volatile given the country’s thin market structure and high inflation backdrop.
The peso’s 0.43% decline is a measured, deliberate glide—what locals call the crawling peg, a system where the central bank allows a steady, predictable depreciation. At 1,489 against the dollar, the currency is now just 0.2% shy of its weakest-ever level, a psychological marker traders are watching closely. Rio Times · Live Market Intelligence
Live Market IntelligenceArgentina — Live Market Board
Argentina — Live Market Board
Instrument Last Change YoY Prev. High Low Volume
MERVAL
3,319,522
-1.78%
+59.31%
3,379,772
—
—
—
USD/ARS
1,488
-0.05%
+18.26%
1,489
1,488
1,488
—
YPF
82,475
-0.03%
+101.28%
82,500
84,400
82,200
235,094
GGAL
7,945
-3.99%
+27.53%
8,275
8,280
7,930
1,998,217
PAMPA
5,630
+0.09%
+53.41%
5,625
5,700
5,545
1,552,461
TXAR
679.00
+1.65%
+9.50%
668.00
684.50
661.00
1,171,317
ALUAR
982.50
+0.87%
+42.19%
974.00
986.00
971.50
344,089
TGS
9,995
+0.91%
+48.74%
9,905
10,130
9,905
322,084
CEPU
2,420
+0.37%
+61.33%
2,411
2,436
2,310
659,351
MIRGOR
16,725
-1.18%
-25.58%
16,925
16,975
16,600
2,189
COME
42.53
-1.41%
-14.01%
43.14
44.08
41.60
5,942,407
LOMA NEGRA
3,778
-0.85%
+34.22%
3,810
3,890
3,720
411,920
BYMA
292.50
-1.02%
+51.75%
295.50
295.50
290.00
1,392,375
TELECOM ARG
4,325
-2.15%
+86.83%
4,420
4,400
4,208
106,625
GLOBANT
30.61
-0.20%
-65.54%
30.67
30.69
29.26
1,476,380
MERCADOLIBRE
1,799
-0.03%
-24.77%
1,799
1,804
1,771
301,993
03 Why it moved — external shock overwhelms domestic conviction
The proximate cause of the sell-off was brutally simple: Tesla shares suffered a punishing session on Wall Street, and the rout spilled instantly into Argentina’s market through the CEDEAR mechanism. The 13.7% drop in the Tesla proxy was the single largest move on the board, and with $10 million in turnover, it set the tone.
This matters beyond one stock. Argentina’s equity market is structurally shallow—daily volumes are modest, and concentrated trading in a handful of CEDEARs can hijack the entire index’s direction, even when domestic fundamentals are unchanged.
The real local story sat in the financial sector. Grupo Galicia, the banking group that has surged this year as investors bet on President Javier Milei’s deregulation push, fell 4.0%. That suggests some cooling of the reform trade, the narrative that Argentina’s pro-market shift will unlock value.
Energy provided a counterpoint. Vista Energy, an Argentine oil and gas producer with assets in the Vaca Muerta shale formation, gained 4.2% on solid turnover of $12 million. Its move was buoyed by company-specific optimism rather than any macro catalyst.
04 The day’s movers
| Driver | Level / Move | Change | Note |
|---|---|---|---|
| Tesla CEDEAR | $10m turnover | −13.7% | Foreign proxy—Wall Street rout drives the move |
| Vista Energy | $12m turnover | +4.2% | Domestic energy gainer—Vaca Muerta play |
| Grupo Galicia | $11m turnover | −4.0% | Banking bellwether—Milei trade cools |
| YPFD | $13m turnover | −0.0% | Flat—state oil firm held its ground |
| Pampa Energía | $6m turnover | +0.1% | Flat—utility major was anchored |
Tesla’s CEDEAR was the story. A 13.7% collapse with $10 million in volume made it both the biggest mover and the most heavily traded instrument. Remember, this is not an Argentine company—it is a foreign proxy whose direction reflects New York, not Buenos Aires.
Among genuine domestic names, the split was telling. Financials bled: Grupo Galicia dropped 4.0% and Banco Macro felt the chill. Energy names, however, held level or advanced—Pampa Energía edged up 0.1% and Vista Energy gained 4.2%, showing investors still see value in Argentine energy even as risk appetite wobbles.
05 The regional scoreboard
| Index | Country | Change |
|---|---|---|
| Merval | Argentina | −1.78% |
| Ibovespa | Brazil | −0.46% |
| IPC | Mexico | −1.56% |
| IPSA | Chile | −0.84% |
| COLCAP | Colombia | −0.60% |
It was a uniformly red day across Latin America. Brazil’s Ibovespa—the region’s deepest and most liquid equity market—fell 0.46% to 176,724 points, while Mexico’s IPC slid a chunky 1.54%, the second-largest regional decline after Argentina.
The entire complex traded defensively, likely taking its cue from a downbeat session on Wall Street where the S&P 500 shed 1.21%. Chile’s IPSA dipped 0.84% and Colombia’s COLCAP eased 0.60%, rounding out a session where no major Latin American bourse managed a gain.
06 The technical picture
Argentina’s Merval at 3,319,522 is now testing the conviction of its recent rally. The index had been clawing higher on the back of the Milei reform narrative, but Thursday’s outside-driven drop raises the risk of a short-term consolidation or a retracement.
The key numbers are domestic: if financials like Grupo Galicia fail to attract support near these levels, traders will interpret it as waning faith in the reform story—a far bigger concern than a one-day Tesla shock. For the peso, the 1,492 record-low mark is the line in the sand.
07 What to watch
- Milei reform trade: Watch whether Grupo Galicia and Banco Macro bounce back—if they continue to slide, the market is losing faith in the government’s deregulation momentum.
- Peso’s 1,492 ceiling: The peso is 3 pesos from the all-time low. A test of that level in coming sessions would signal central bank comfort with faster depreciation.
- CEDEAR volume: Thursday showed how a single CEDEAR can hijack the Merval. Elevated turnover in foreign proxies tomorrow would mean continued global spillover risk.
- Energy resilience: Vista Energy and Pampa Energía held firm. If buyers continue rotating into energy, it confirms a sectoral preference away from financials.
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Frequently Asked Questions
What is the Merval?
The Merval is Argentina’s benchmark stock index, tracking the largest and most-traded companies on the Buenos Aires stock exchange. It is the primary gauge of Argentine equity performance.
What is a CEDEAR?
A CEDEAR is a locally listed certificate that tracks a foreign share—like Tesla or Apple—and trades in pesos on the Buenos Aires exchange. It lets Argentine investors hold global stocks without needing a US brokerage account.
Why did Tesla move the Argentine market?
Tesla’s CEDEAR is widely held and actively traded in Buenos Aires. When Wall Street sends Tesla shares sharply lower, the local proxy declines in tandem, and heavy turnover in the CEDEAR can dominate the local tape even though Tesla has no Argentine operations.
What is the Milei reform trade?
It is the investor bet that President Javier Milei’s programme of deregulation, fiscal tightening, and pro-market reforms will lift Argentine asset prices. Banks like Grupo Galicia are seen as prime beneficiaries because they would profit from a normalising economy.
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