2018 USD to BRL Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2018.
2018 USD to BRL Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2018
During 2018, the USD to BRL exchange rate experienced significant fluctuation. The market reached its absolute peak on September 13, valuing the pair at 4.2066. Conversely, the yearly low was recorded on January 24, dropping to 3.1466.
This high-to-low spread represents a total annual volatility of 1.0600 BRL. From a start-to-finish perspective, comparing the January average rate of 3.2081 to the December average rate of 3.8906, the exchange rate registered a net change of 21.28% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2018 high of 4.2066 was up 24.81% compared to the 2017 peak of 3.3705, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 USD based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2018.
USD to BRL Seasonal Trends & Volatility Analysis
A structured review of seasonal halves, trading extremes, consecutive streaks, and historical baselines.
Seasonal Halves (H1 vs H2)
SeasonalThe average exchange rate in the first half of the year (H1: Jan–Jun) was 3.4251, compared to 3.8777 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 0.4526 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2018 was August, with a trading range of 0.4460 BRL (High: 4.1498 / Low: 3.7038). On the other end, December was the most stable month, with a tight range of 0.0802 BRL (High: 3.9221 / Low: 3.8419).
Growth Streaks & Declines
TrendsBetween January and September, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 8 straight months. Conversely, the sharpest month-over-month decline occurred between September and October, when the average rate fell by 0.3391 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (September 2018: 4.0981) against the same month in 2017 (average: 3.1313), the exchange rate shifted by +0.9668 (+30.88%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 3.3125 | 3.1466 | 3.2081 |
| February | 3.2958 | 3.1668 | 3.2476 |
| March | 3.3262 | 3.2095 | 3.2793 |
| April | 3.5073 | 3.3035 | 3.4075 |
| May | 3.7399 | 3.5076 | 3.6315 |
| June | 3.9022 | 3.7064 | 3.7768 |
| July | 3.9319 | 3.6879 | 3.8193 |
| August | 4.1498 | 3.7038 | 3.9217 |
| September | 4.2066 | 4.0133 | 4.0981 |
| October | 4.0178 | 3.6425 | 3.7590 |
| November | 3.9412 | 3.6952 | 3.7775 |
| December | 3.9221 | 3.8419 | 3.8906 |