Key Facts
- Asia’s semiconductor strength is the overnight engine, with South Korea’s KOSPI surging 3.42% and Japan’s Nikkei futures up about 1.9% as chip demand rebuilds.
- Oil is climbing again with West Texas Intermediate quoted around $91.80 to $92 a barrel after Iran said it targeted three tankers near the Strait of Hormuz.
- US and Canadian trading is dark for Labor Day, leaving futures and commodities as the only live signals into Latin America’s open on Monday.
- Chile’s central bank meets on Tuesday with the interest rate expected to stay at 4.5%, a decision that will ripple across Andean assets.
- Brazil’s currency nudged weaker to 5.1275 per dollar on Friday while the real’s main stock index barely moved, down only 0.39%.
Today’s Focus
Latin American desks start the week without a US or Canadian cash session to guide them. Both are shut for Labor Day. That leaves Asia’s technology rally and the latest flare-up in the Strait of Hormuz as the two forces tugging at regional risk appetite.
For Brazil, the holiday calendar matters too: Monday is Brazil’s Independence Day, so the B3 exchange in São Paulo will not trade. The Ibovespa, its main stock index, finished Friday at 185,147 points, down a whisper at 0.02%.
Mexico, Chile and Colombia do open. Argentina’s BYMA is closed, alongside Brazil, the United States and Canada. Mexico’s IPC index fell 0.87% on Friday to 64,867, and Argentina’s Merval slipped 0.29%. Colombia’s COLCAP bucked the trend with a 0.40% gain to 2,545.
The dollar’s small recovery on Friday, up 0.27% on the DXY index, plus firmer oil, leaves energy exporters with a tailwind and current-account deficit countries with a closer eye on local inflation prints due this week.
What matters today. With the United States and Canada shut, the Asian chip bounce and the oil spike will set the tone for the region’s open — but Brazil’s holiday means only part of Latin America gets to react today.
| Instrument | Level | Session |
|---|---|---|
| Ibovespa (Brazil) | 185,147 | -0.02% |
| S&P 500 (US) | 7,719 | -0.38% |
| USD/BRL | 5.1275 | +0.39% |
| USD/MXN | 16.8855 | -0.21% |
| USD/CLP | 934.58 | +0.38% |
| USD/COP | 3,152 | -0.25% |
| USD/ARS | 1,509 | +0.02% |
Latin American markets — Source: RT close, 2026-09-04. Figures rendered directly from the feed.
01 The overnight tape in one read
Asia is carrying risk appetite into the new week, and the driver is semiconductors. South Korea’s KOSPI jumped 3.42% on renewed global chip demand, while Japan’s Nikkei 225 futures rose about 1.9% with semiconductor blue chips leading.
That strength has a direct read-through to Latin America: it signals that global manufacturing and technology spending remain resilient, even as US cash trading pauses for the Labor Day holiday.
Oil is the other live wire. West Texas Intermediate crude, the US benchmark, is quoted around $91.80 to $92 a barrel after Iran said it hit three tankers near the Strait of Hormuz.
Brent crude, the international gauge, rose about 0.4%. Higher energy prices flatter the region’s oil exporters, but they also tighten the screw on import bills and inflation across the five Latin exchanges.
A
s
i
a
‘
s
r
o
b
u
s
t
t
e
c
h
n
o
l
o
g
y
b
i
d
o
f
f
e
r
s
s
u
p
p
o
r
t
f
o
r
L
a
t
i
n
A
m
e
r
i
c
a
n
e
x
p
o
r
t
e
r
s
l
i
n
k
e
d
t
o
g
l
o
b
a
l
d
e
m
a
n
d
,
e
s
p
e
c
i
a
l
l
y
i
n
M
e
x
i
c
o
a
n
d
B
r
a
z
i
l
‘
s
i
n
d
u
s
t
r
i
a
l
n
a
m
e
s
.
B
u
t
t
h
e
o
i
l
s
p
i
k
e
i
s
a
d
o
u
b
l
e
–
e
d
g
e
d
s
w
o
r
d
:
a
b
o
o
s
t
f
o
r
P
e
t
r
o
b
r
a
s
a
n
d
E
c
o
p
e
t
r
o
l
,
a
t
a
x
o
n
i
m
p
o
r
t
i
n
g
e
c
o
n
o
m
i
e
s
a
n
d
a
r
e
m
i
n
d
e
r
t
h
a
t
h
e
a
d
l
i
n
e
i
n
f
l
a
t
i
o
n
c
a
n
r
e
i
g
n
i
t
e
q
u
i
c
k
l
y
.
T
h
e
v
a
r
i
a
b
l
e
t
o
w
a
t
c
h
t
o
d
a
y
i
s
w
h
e
t
h
e
r
c
r
u
d
e
e
x
t
e
n
d
s
i
t
s
m
o
v
e
;
a
s
h
a
r
p
W
T
I
l
e
g
a
b
o
v
e
$
9
2
w
o
u
l
d
q
u
i
c
k
l
y
f
l
i
p
t
h
e
o
p
e
n
t
o
w
a
r
d
d
e
f
e
n
s
i
v
e
e
n
e
r
g
y
a
n
d
a
w
a
y
f
r
o
m
t
h
e
c
h
i
p
–
l
e
d
o
p
t
i
m
i
s
m
.
02 The board before the open
| Instrument | Level | Change | Read |
|---|---|---|---|
| S&P 500 futures | — | — | Only live US signal while cash markets stay shut |
| WTI crude | $91.80–92 | +0.3–0.6% | Hormuz risk premium building into the open |
| KOSPI | — | +3.42% | Chip-led surge gives exporters a tailwind |
| DXY dollar index | 99.176 | +0.27% | Firmer dollar keeps pressure on LatAm FX |
| US 10-year yield | 4.789% | +0.34% | No Treasury cash trading today, futures only |
The board is a study in two speeds. Asia’s equity surge promises a supportive open for Latin American stocks tied to global trade, from Mexican auto parts makers to Brazilian miners.
But the firming dollar index — up 0.27% to 99.176 on Friday — and the rising US 10-year Treasury yield, last at 4.789%, remind regional currency markets that the greenback is not finished pushing back. Rio Times · Live Market Intelligence
Live Market IntelligenceLatin America — Cross-Market Board
Latin America — Cross-Market Board
Instrument Last Change YoY Prev. High Low Volume
IBOV
185,147.15
-0.02%
+21.85%
185,188.13
168,310
167,142
—
IPSA
11,315.26
-1.14%
—
11,445.90
11,210
10,984
1,513,213,483
IPC MEX
64,866.61
-0.87%
+12.17%
65,436.16
66,121
65,405
108,886,187
MERVAL
3,049,121
-0.29%
+30.51%
3,022,485
3,042,365
2,991,150
—
COLCAP
2,544.56
+0.40%
—
9.04
9.05
9.02
4,133
BVL PERÚ
59,978.22
-0.31%
—
—
—
—
—
USD/BRL
5.16
+0.01%
-5.13%
5.16
5.18
5.14
—
EUR/BRL
5.95
+1.01%
-5.83%
5.89
5.98
5.94
—
USD/MXN
17.06
-0.24%
-8.58%
17.10
17.08
17.01
—
USD/CLP
913.98
+0.04%
-5.67%
913.65
915.11
906.68
—
USD/COP
3,140
+0.03%
-22.04%
3,139
3,141
3,105
—
USD/PEN
3.36
-0.66%
-4.82%
3.38
3.38
3.35
—
USD/ARS
1,493
+0.10%
+12.96%
1,491
1,494
1,480
—
USD/UYU
40.27
+1.24%
+1.80%
39.77
40.27
40.23
—
USD/PYG
5,939
+1.68%
-19.54%
5,841
5,939
5,925
—
USD/BOB
11.64
-0.76%
+72.04%
11.73
11.72
11.64
—
USD/DOP
58.34
+1.25%
-3.44%
57.62
58.34
58.04
—
USD/CRC
445.92
+0.89%
-9.71%
441.97
448.50
445.92
—
03 What the data shows — Brazil’s big banks and miners kept Friday’s volume alive
| Stock | Move | Turnover | Note |
|---|---|---|---|
| PETR4 (Petrobras) | — | R$1,372m (US$268 million) | Friday’s most-traded name; oil move now in focus |
| VALE3 (Vale) | — | R$1,087m (US$212 million) | Heavy turnover, likely China-demand sensitive |
| ITUB4 (Itaú Unibanco) | — | R$1,004m (US$196 million) | Banking heavyweight, steady flow |
| OBTC3 | +9.2% | R$18m (US$3.5 million) | Friday’s top gainer on thin turnover |
| RAPT4 | −7.0% | R$33m (US$6.4 million) | Friday’s biggest fall on light volume |
Friday’s volume leaders were the usual anchors: Petrobras preferred shares, Vale, and Itaú Unibanco together turned over more than R$3.4 billion (US$663 million), showing that even on a flat tape, the real money stays in energy, mining and banks.
The gains at the fringes were loud but shallow. OBTC5.13 rose 9.2% on only R$18 million (US$3.5 million) in turnover, while RAPT4 fell 7% on R$33 million (US$6.4 million) — moves that say more about thin end-of-week liquidity than about any durable shift.
04 Brazil and the currencies
Brazilian markets are closed today for Independence Day, but the real’s Friday move still sets the tone for Tuesday’s return. The currency ended at 5.1275 per dollar, up 0.39% on the session, meaning a weaker real heading into the holiday.
That matters because the Selic, Brazil’s benchmark interest rate, remains the anchor that draws foreign carry-trade money. A softer real alongside a firmer dollar index could nudge those flows to pause and wait for the next central bank signal.
Across the region, Mexico’s peso strengthened to 16.8855 per dollar, while Chile’s peso weakened to 934.58 and Colombia’s to 3,152. Argentina’s official rate was barely changed at 1,509 pesos per dollar.
The pattern is not uniform: Mexico benefits from manufacturing links to a strong US economy, while Chile and Colombia carry the weight of firmer energy prices and a stronger greenback.
05 The regional setup
| Index | Country | Change |
|---|---|---|
| Ibovespa | Brazil | −0.02% |
| IPC | Mexico | −0.87% |
| Merval | Argentina | −0.29% |
| COLCAP | Colombia | +0.40% |
| IPSA | Chile | — |
The regional picture into Monday is one of drift, not direction. Mexico’s IPC fell hardest on Friday, down 0.87%, while Argentina’s Merval slipped 0.29% and Colombia’s COLCAP managed a 0.40% gain.
Chile’s IPSA was not available in the verified scan, but traders will watch it closely because Tuesday brings the central bank’s rate decision, where the market expects the benchmark rate to hold at 4.5%.
What stands out is how little the region is moving in lockstep. With Brazil dark and US cash closed, Monday’s tradable sessions in Mexico, Chile and Colombia will feel thin, and every inflation release this week will get more attention than usual.
06 The technical picture
The Ibovespa closed Friday at 185,147, a whisper below flat and 6.8% under its 52-week high of 198,657. The index has now posted two straight down sessions, but the losses are tiny, which in technical terms looks more like digestion than distribution.
Mexico’s IPC at 64,867 is 9.4% below its 52-week high, a deeper hole that makes the index look oversold relative to its own recent range. If the Asian chip bid carries into North American manufacturing sentiment, Mexican industrials could get a short-covering bounce.
The dollar-real pair at 5.1275 sits 8.3% below its 52-week high, meaning the currency has recovered substantial ground from its worst levels. Technically, the real is consolidating in a lower, more stable band, though a sustained dollar rally would test that quickly.
07 What to watch
- WTI crude: whether the Hormuz risk premium keeps pushing oil above $92 — a direct driver for Petrobras and Ecopetrol at the open.
- Chile rate decision: Tuesday’s central bank call, expected at 4.5%, will set the tone for the peso and IPSA-linked exporters.
- US futures: since US cash markets are shut, S&P 500 and Nasdaq futures become the only real-time read on American risk appetite during Latin trading hours.
- Mexico auto data: Monday’s auto production and export figures land at noon Mexico City time, a check on how trade flows are holding up.
Frequently Asked Questions
Is the Brazilian stock market open today?
No. Monday 7 September is Brazil’s Independence Day, so B3 is closed. The Ibovespa will resume trading on Tuesday.
Why is oil rising?
Iran said it targeted three oil tankers near the Strait of Hormuz, a narrow sea lane that carries a big share of the world’s oil. That kind of news makes traders charge more for every barrel.
What is the Ibovespa?
It is Brazil’s main stock index that tracks the biggest companies traded on the São Paulo exchange, known as B3.
Why does the US holiday matter for Latin America?
US cash equity and Treasury markets are closed for Labor Day, so the normal global signals are quiet, leaving futures and Asian trading to guide Latin American markets at their open.
Market data: RT
This article was produced by The Rio Times’ automated newsroom system. How we use AI · Report an error
LatAm Markets: Live Signals → — real-time movers, turnover leaders and FX across Latin America.
Read More from The Rio Times