US Dollar (USD)

December 2018

Summary of the Month
Parameter Bid Ask
Average Value R$ 3.8844 R$ 3.8851
Business Days 20

PTAX - Daily Quote

Date Bid Offer
Dec 31 2018 R$ 3.8742 R$ 3.8748
Dec 28 2018 R$ 3.8742 R$ 3.8748
Dec 27 2018 R$ 3.9324 R$ 3.9330
Dec 26 2018 R$ 3.9252 R$ 3.9258
Dec 24 2018 R$ 3.8839 R$ 3.8855
Dec 21 2018 R$ 3.8665 R$ 3.8671
Dec 20 2018 R$ 3.8437 R$ 3.8443
Dec 19 2018 R$ 3.8901 R$ 3.8907
Dec 18 2018 R$ 3.8991 R$ 3.8997
Dec 17 2018 R$ 3.9115 R$ 3.9121
Dec 14 2018 R$ 3.9084 R$ 3.9090
Dec 13 2018 R$ 3.8784 R$ 3.8790
Dec 12 2018 R$ 3.8623 R$ 3.8629
Dec 11 2018 R$ 3.9007 R$ 3.9013
Dec 10 2018 R$ 3.9104 R$ 3.9110
Dec 07 2018 R$ 3.8958 R$ 3.8964
Dec 06 2018 R$ 3.9172 R$ 3.9178
Dec 05 2018 R$ 3.8555 R$ 3.8561
Dec 04 2018 R$ 3.8307 R$ 3.8313
Dec 03 2018 R$ 3.8279 R$ 3.8285

Source: Banco Central do Brasil

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Ptax is the main reference rate for the US Dollar in Brazil. It's published daily by the Brazilian Central Bank based on the quotes received from the major foreign exchange dealers in the Brazilian market. It's released by 1 PM (GMT-3) every business day.

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Data available from Dec 03 1984 until Jun 01 2026

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