US Dollar (USD)

August 2026

Summary of the Month
Parameter Bid Ask
Average Value R$ 5.1526 R$ 5.1532
Business Days 21

PTAX - Daily Quote

Date Bid Offer
Aug 31 2026 R$ 5.1810 R$ 5.1816
Aug 28 2026 R$ 5.1999 R$ 5.2005
Aug 27 2026 R$ 5.1637 R$ 5.1642
Aug 26 2026 R$ 5.1598 R$ 5.1604
Aug 25 2026 R$ 5.1484 R$ 5.1490
Aug 24 2026 R$ 5.1506 R$ 5.1512
Aug 21 2026 R$ 5.1619 R$ 5.1625
Aug 20 2026 R$ 5.1856 R$ 5.1862
Aug 19 2026 R$ 5.1708 R$ 5.1714
Aug 18 2026 R$ 5.2037 R$ 5.2043
Aug 17 2026 R$ 5.2008 R$ 5.2014
Aug 14 2026 R$ 5.2230 R$ 5.2236
Aug 13 2026 R$ 5.1853 R$ 5.1859
Aug 12 2026 R$ 5.1632 R$ 5.1639
Aug 11 2026 R$ 5.1279 R$ 5.1285
Aug 10 2026 R$ 5.0957 R$ 5.0963
Aug 07 2026 R$ 5.0902 R$ 5.0908
Aug 06 2026 R$ 5.1011 R$ 5.1017
Aug 05 2026 R$ 5.1148 R$ 5.1154
Aug 04 2026 R$ 5.1047 R$ 5.1053
Aug 03 2026 R$ 5.0717 R$ 5.0723

Source: Brazilian Central Bank

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Ptax is the main reference rate for contracts denominated in Brazilian Reals (BRL).

For the US Dollar it's based on quotes received from a selected list of major foreign exchange dealers in the Brazilian interbank market. It's released by the Brazilian Central Bank about 10 minutes after 1 PM (GMT-3) every business day.

Quotes on other periods

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Data available from Dec 03 1984 until Aug 31 2026

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