Dollar in Brazil › History › 2018
Dollar in Brazil in 2018
PTAX is a Banco Central do Brasil reference calculated from four daily surveys of foreign-exchange dealers. Buying and selling are the sides of that wholesale reference, not executable offers. Final bank or exchange-office prices may include margins, taxes and fees; these are not estimated here.
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
In 2018 the BCB reference PTAX (selling) moved +17,13% in the year (of R$ 3,3080 a R$ 3,8748). Maximum: R$ 4,1879 on 14/09/2018. Low: R$ 3,1391 the 25/01/2018. Average of the year: R$ 3,6557844 (250 working days with data).
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
Month by month
| Month | Last close | Minimum | Maximum | Change |
|---|---|---|---|---|
| January | R$ 3,1624 | R$ 3,1391 | R$ 3,2697 | -4,40% |
| February | R$ 3,2449 | R$ 3,1730 | R$ 3,2821 | +2,61% |
| March | R$ 3,3238 | R$ 3,2246 | R$ 3,3380 | +2,43% |
| April | R$ 3,4811 | R$ 3,3104 | R$ 3,5040 | +4,73% |
| May | R$ 3,7370 | R$ 3,5308 | R$ 3,7503 | +7,35% |
| June | R$ 3,8558 | R$ 3,6913 | R$ 3,9000 | +3,18% |
| July | R$ 3,7549 | R$ 3,7120 | R$ 3,9264 | -2,62% |
| August | R$ 4,1353 | R$ 3,7118 | R$ 4,1812 | +10,13% |
| September | R$ 4,0039 | R$ 4,0039 | R$ 4,1879 | -3,18% |
| October | R$ 3,7177 | R$ 3,6368 | R$ 4,0273 | -7,15% |
| November | R$ 3,8633 | R$ 3,6973 | R$ 3,8925 | +3,92% |
| December | R$ 3,8748 | R$ 3,8285 | R$ 3,9330 | +0,30% |
Change in each month against the previous month's last close.
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