IBOV 208,295.98 ▲ 1.57% IPSA 10,926.50 ▼ 0.42% IPC MEX 69,010.67 ▲ 0.12% MERVAL 3,017,221 — — COLCAP 2,533.22 ▲ 0.47% BVL PERÚ 59,903.86 ▼ 0.06% USD/BRL5.03▼ 0.13% USD/MXN18.41▼ 0.06% USD/CLP974.55▼ 0.68% USD/COP3,177▲ 0.09% USD/PEN3.42▼ 0.59% USD/ARS1,525▲ 0.02% USD/UYU40.13▲ 2.70% USD/PYG5,704▲ 3.09% USD/BOB11.65▲ 2.79% USD/DOP61.23▲ 2.73% USD/CRC448.07▲ 1.61% USD/GTQ7.64▲ 2.99% USD/HNL26.86▲ 3.12% USD/NIO36.62▲ 2.57% USD/VES879.67▼ 0.03% USD/PAB1.00— 0.00% USD/BZD2.00— 0.00% USD/JMD 157.28 — 0.00% USD/TTD6.73▲ 2.14% EUR/BRL5.65▼ 0.61% BRENT 88.88 ▼ 0.03% WTI 83.11 ▼ 0.11% IRON ORE 161.91 — — COPPER 6.61 ▲ 0.03% GOLD 4,461 ▲ 1.78% SILVER 65.59 ▲ 1.26% SOY 1,184 ▲ 3.20% CORN 480.50 ▲ 10.02% WHEAT 655.00 ▲ 3.93% COFFEE 317.25 ▼ 5.51% SUGAR 16.43 ▼ 1.79% ORANGE JUICE 138.55 ▼ 0.47% COTTON 85.03 ▲ 2.33% COCOA 5,719 ▲ 3.18% BEEF 223.60 ▼ 3.93% CATTLE 339.10 ▼ 3.16% LITHIUM 75.20 ▲ 1.47% PETR4 41.64 ▼ 0.05% VALE3 72.97 ▲ 0.83% ITUB4 38.60 ▼ 1.03% BBDC4 16.85 ▲ 0.36% ABEV3 14.89 ▼ 0.80% BBAS3 19.37 ▲ 0.47% B3SA3 14.26 ▼ 0.21% WEGE3 47.59 ▲ 0.49% PRIO3 59.14 ▼ 0.19% SUZB3 41.33 ▲ 2.35% RENT3 34.68 ▼ 0.09% AZZA3 15.89 ▼ 2.63% CSAN3 3.22 ▼ 1.83% RAIZ4 0.25 — 0.00% PCAR3 2.75 ▼ 0.36% GMAT3 3.65 ▼ 1.08% PSSA3 48.13 ▼ 0.54% CVCB3 1.33 ▼ 2.92% POSI3 3.36 ▲ 2.44% SLCE3 13.34 ▲ 0.30% NATU3 8.14 ▼ 0.73% IBOV 208,295.98 ▲ 1.57% IPSA 10,926.50 ▼ 0.42% IPC MEX 69,010.67 ▲ 0.12% MERVAL 3,017,221 — — COLCAP 2,533.22 ▲ 0.47% BVL PERÚ 59,903.86 ▼ 0.06% USD/BRL 5.16 ▲ 0.01% USD/MXN 17.06 ▼ 0.24% USD/CLP 913.98 ▲ 0.04% USD/COP 3,140 ▲ 0.03% USD/PEN 3.36 ▼ 0.66% USD/ARS 1,493 ▲ 0.10% USD/UYU 40.27 ▲ 1.24% USD/PYG 5,939 ▲ 1.68% USD/BOB 11.64 ▼ 0.76% USD/DOP 58.34 ▲ 1.25% USD/CRC 445.92 ▲ 0.89% USD/GTQ 7.62 ▲ 2.21% USD/HNL 26.79 ▲ 1.57% USD/NIO 36.62 ▲ 0.69% USD/VES 762.44 ▼ 0.13% USD/PAB 1.00 — 0.00% USD/BZD 2.00 — 0.00% USD/JMD 157.28 — 0.00% USD/TTD 6.70 ▲ 0.61% EUR/BRL 5.95 ▲ 1.01% BRENT 88.88 ▼ 0.03% WTI 83.11 ▼ 0.11% IRON ORE 161.91 — — COPPER 6.61 ▲ 0.03% GOLD 4,461 ▲ 1.78% SILVER 65.59 ▲ 1.26% SOY 1,184 ▲ 3.20% CORN 480.50 ▲ 10.02% WHEAT 655.00 ▲ 3.93% COFFEE 317.25 ▼ 5.51% SUGAR 16.43 ▼ 1.79% ORANGE JUICE 138.55 ▼ 0.47% COTTON 85.03 ▲ 2.33% COCOA 5,719 ▲ 3.18% BEEF 223.60 ▼ 3.93% CATTLE 339.10 ▼ 3.16% LITHIUM 75.20 ▲ 1.47% PETR4 41.64 ▼ 0.05% VALE3 72.97 ▲ 0.83% ITUB4 38.60 ▼ 1.03% BBDC4 16.85 ▲ 0.36% ABEV3 14.89 ▼ 0.80% BBAS3 19.37 ▲ 0.47% B3SA3 14.26 ▼ 0.21% WEGE3 47.59 ▲ 0.49% PRIO3 59.14 ▼ 0.19% SUZB3 41.33 ▲ 2.35% RENT3 34.68 ▼ 0.09% AZZA3 15.89 ▼ 2.63% CSAN3 3.22 ▼ 1.83% RAIZ4 0.25 — 0.00% PCAR3 2.75 ▼ 0.36% GMAT3 3.65 ▼ 1.08% PSSA3 48.13 ▼ 0.54% CVCB3 1.33 ▼ 2.92% POSI3 3.36 ▲ 2.44% SLCE3 13.34 ▲ 0.30% NATU3 8.14 ▼ 0.73%
since 2009
Tuesday, October 20, 2026

Latin America Argentina

Argentine Peso Slides as Merval Drops: What Really Happened and Why It Matters

By · September 19, 2025 · 2 min read

Argentina’s central bank raised its official dollar rate to 1 474 pesos and sold over $50 million yesterday, yet traders still pushed the parallel “blue” rate up to 1 505 pesos.

The gap shows how strict FX controls fuel informal demand and erode reserves. Local stocks reacted sharply. The S&P Merval index plunged 4.9 percent to 1 695 530 points as investors fretted over shaky political signals ahead of midterm polls.

Energy and banking shares led losses, and trading volume surged as domestic funds and foreign ETFs cut Argentine risk. Global factors worsened the mood.

A stronger U.S. dollar, with its index at 97.41 after solid U.S. labor data, weighed on emerging markets. Exporters raced to hedge pesos, amplifying selling pressure.

Technical charts painted a picture of exhaustion. On the daily timeframe, the RSI fell to 31 and prices hugged the lower Bollinger Band, signaling oversold conditions.

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Argentine Peso Slides as Merval Drops: What Really Happened and Why It Matters
Argentine Peso Slides as Merval Drops: What Really Happened and Why It Matters.

The MACD histogram narrowed, hinting at a possible short-lived rebound. The four-hour chart showed similar oversold readings and converging MACD lines, but traders held off until they see volume confirm any bounce.

Behind the headlines lies a deeper story: Argentina’s creeping reserve losses and political gridlock. The central bank’s interventions reflect its tight grip on the peso, yet informal markets thrive on mistrust.

Argentine Peso Slides as Merval Drops: What Really Happened and Why It Matters
Argentine Peso Slides as Merval Drops: What Really Happened and Why It Matters.

With the official–blue premium near 2 percent, businesses and consumers face constant uncertainty that feeds inflation and discourages investment.

For international observers, the key takeaway is this: Argentina’s markets respond not just to global dollar moves but to homegrown worries over fiscal plans and dwindling reserves.

Until policymakers shore up confidence, expect more volatility and a continued tug-of-war between the official peg and the blue-chip parallel market.

Key Facts

— Deep Dive

Live Market IntelligenceArgentina — Live Market BoardInside: market breadth, the sector heatmap, currencies & rates, the Latin America scoreboard and the full instrument board.

Rio Times · Live Market Intelligence

Argentina — Live Market Board

BYMA · Buenos Aires
Oct 20, 2026 · 18:57

S&P MERVAL · benchmark
3,017,221
—
L 2,991,150day rangeH 3,042,365

+30.51% over 12 months

Market breadth · 14 names
29% advancing

4 ▲ advancing10 declining ▼

Currencies, rates & key inputs
USD / ARS
1,493
+0.10%

Brent crude
88.88
-0.03%

Soybeans
1,184
+3.20%

Sector heatmap · average move today
Utilities
+1.27%
PAMPA, CEPU

Energy
+0.05%
YPF, TGS

Materials
-0.57%
ALUAR, LOMA NEGRA

Telecom
-0.70%
TELECOM ARG

Financials
-1.07%
GGAL, COME, BYMA

Technology
-2.26%
GLOBANT

Mining
-2.35%
TXAR

Consumer Disc.
-2.40%
MIRGOR, MERCADOLIBRE

Latin America scoreboard
IndexLastTodayStrength
IbovespaBrazil
208,295.98
+1.57%

S&P/BMV IPCMexico
69,010.67
+0.12%

S&P IPSAChile
10,926.50
-0.42%

S&P MERVALArgentina
3,017,221
—

MSCI COLCAPColombia
2,533.22
+0.47%

BVL S&P PerúPeru
59,903.86
-0.06%

Full instrument board
Instrument Last Change YoY Prev. High Low Volume
MERVAL 3,017,221 — +30.51% 3,022,485 3,042,365 2,991,150 —
USD/ARS 1,493 +0.10% +12.96% 1,491 1,494 1,480 —
YPF 7,810 +0.26% +72.84% 7,790 7,850 7,600 1,763,858
GGAL 6,980 -0.78% +1.82% 7,035 7,115 6,920 1,564,062
PAMPA 5,115 +0.69% +26.70% 5,080 5,140 5,000 721,190
TXAR 747.50 -2.35% +18.67% 765.50 770.00 742.50 771,892
ALUAR 938.00 -1.21% +29.83% 949.50 951.00 932.50 135,426
TGS 8,870 -0.17% +15.05% 8,885 9,075 8,720 143,546
CEPU 2,156 +1.84% +28.36% 2,117 2,165 2,086 404,146
MIRGOR 1,650 -1.20% -92.90% 1,670 1,670 1,635 20,877
COME 40.93 -0.73% -30.47% 41.23 41.60 40.50 4,258,884
LOMA NEGRA 3,130 +0.08% +5.80% 3,128 3,205 3,090 182,992
BYMA 275.00 -1.70% +35.14% 279.75 282.50 272.00 1,409,575
TELECOM ARG 4,233 -0.70% +55.19% 4,263 4,335 4,160 31,896
GLOBANT 38.10 -2.26% -49.65% 38.98 38.70 36.77 793,552
MERCADOLIBRE 1,870 -3.59% -20.71% 1,940 1,927 1,870 329,640

Largest moves today
MERCADOLIBRE
1,870
-3.59%
TXAR
747.50
-2.35%
GLOBANT
38.10
-2.26%
CEPU
2,156
+1.84%
BYMA
275.00
-1.70%
ALUAR
938.00
-1.21%
MIRGOR
1,650
-1.20%
GGAL
6,980
-0.78%

The session read
The S&P MERVAL was little changed on the session, with breadth negative — 4 of 14 names higher. Utilities led, while Consumer Disc. lagged.

— For the complete picture, read our in-depth guide: Latin America Stock Markets 2026: Ibovespa, Merval, COLCAP, IPSA and IPC Guide

This article was produced by The Rio Times’ automated newsroom system. How we use AI · Report an error · Editorial responsibility: Matthias Camenzind, Editor-in-Chief

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