Buenos Aires ・ November 4, 2026
Rates today
As of November 4, 2026, Argentina's blue rate stands at 1,560 pesos per US dollar, the official rate at 1,570, a gap of roughly -1%. The latest published monthly inflation is 1.7%.
On Buenos Aires supermarket shelves (median), 1.5L of water costs 2,850 pesos (about 1.83 US dollars). These are primary data collected and stored daily by tango.blue; this page updates automatically every day.
The street rate travelers actually use
Buenos Aires sky today
Normal = our own 15-year daily record (±7 days around today) ・ Forecast: MET Norway (CC BY 4.0)
Rates by use
Quick converter
Reference values at the blue rate. Actual exchange rates vary by location.
Street prices right now (supermarket median)
Compiled daily from shelf prices across Buenos Aires. USD conversion at the blue rate.
Today's calendar
Buenos Aires right now
Exchange timing patterns (measured)
Computed mechanically from the daily blue-rate archive this site collects: average day-over-day moves by weekday and by part of the month. (Sample: 2011-01-03 〜 2026-11-04)
Average daily change by weekday
| Mon | +0.11% | |
|---|---|---|
| Tue | +0.208% | |
| Wed | +0.266% | |
| Thu | +0.178% | |
| Fri | +0.093% | |
| Sat | -0.061% | |
| Sun | +0% |
The market barely moves on weekends, so most Saturday and Sunday changes are zero. If the weekend ever looks favorable, it is usually Friday's rate carried over.
Average daily change by part of month
| Days 1-10 | +0.017% | |
|---|---|---|
| Days 11-20 | +0.285% | |
| Days 21+ | +0.124% |
Across the whole sample, the blue rate has moved +0.142%per day toward a weaker peso. The data's conclusion: not postponing your exchange matters more than picking a weekday.
Buenos Aires this time of year (normals)
Measured average for these two weeks over the past 6 years: high 22.9C / low 16.9C, with rain on about 30% of days.
Past patterns do not guarantee future moves, and they break around elections and policy changes. This section is informational, not investment advice.
Trends and data
Blue rate vs official (last 12 months)
Climate by month (5-year average)
Monthly inflation (month over month)
Gap vs the official rate (monthly, since 2011)
Local prices through the Big Mac (USD, since 2000)
Pricing the same product in dollars shows when Argentina is cheap or expensive for travelers.
Questions
What is the blue rate?
Argentina's parallel market exchange rate, used alongside the official one. It is usually the reference when travelers exchange US dollars in cash, and its gap with the official rate changes over time.
Where should I exchange money?
Street exchange houses (casas de cambio) are the usual choice. Our blue rate guide covers how to find them, what to say, and how to stay safe.
Cash or card — which is better?
When the gap shown on this page is wide, exchanging cash wins; when it narrows, foreign cards become competitive. Check the gap here before you fly.
Is Argentina expensive?
Measured in US dollars, it swings widely over time. The Big Mac chart and the daily supermarket prices on this page are primary data updated every day, so you can check the current level directly. As a rule of thumb, restaurants in central Buenos Aires run expensive for South America, while supermarket prices can be cheap or dear depending on the exchange rate.
What is the blue rate?
Alongside the official exchange rate, Argentina has a parallel market rate known as the blue rate. When travelers exchange US dollars in cash, this is usually the rate that applies.
The gap between the two rates changes a lot over time. When the gap is wide, travelers bringing cash dollars get significantly more pesos; when it narrows, card payments become competitive. Tracking this gap is a key part of deciding when to visit.
The numbers on this page update automatically every day, from data this site collects and stores independently. Over time this archive will grow into a month-by-month guide of costs and climate for planning your trip.