Australian Dollar (AUD)

September 2025

Summary of the Month
Parameter Bid Ask
Average Value R$ 3.5382 R$ 3.5399
Business Days 22

PTAX - Daily Quote

Date Bid Offer
Sep 30 2025 R$ 3.5168 R$ 3.5177
Sep 29 2025 R$ 3.4994 R$ 3.5014
Sep 26 2025 R$ 3.4965 R$ 3.4985
Sep 25 2025 R$ 3.4979 R$ 3.4999
Sep 24 2025 R$ 3.4970 R$ 3.4990
Sep 23 2025 R$ 3.5007 R$ 3.5027
Sep 22 2025 R$ 3.5214 R$ 3.5228
Sep 19 2025 R$ 3.5126 R$ 3.5141
Sep 18 2025 R$ 3.5046 R$ 3.5061
Sep 17 2025 R$ 3.5328 R$ 3.5348
Sep 16 2025 R$ 3.5438 R$ 3.5452
Sep 15 2025 R$ 3.5480 R$ 3.5500
Sep 12 2025 R$ 3.5605 R$ 3.5620
Sep 11 2025 R$ 3.5844 R$ 3.5853
Sep 10 2025 R$ 3.5847 R$ 3.5862
Sep 09 2025 R$ 3.5754 R$ 3.5785
Sep 08 2025 R$ 3.5760 R$ 3.5775
Sep 05 2025 R$ 3.5437 R$ 3.5452
Sep 04 2025 R$ 3.5538 R$ 3.5553
Sep 03 2025 R$ 3.5673 R$ 3.5688
Sep 02 2025 R$ 3.5615 R$ 3.5635
Sep 01 2025 R$ 3.5619 R$ 3.5639

Source: Brazilian Central Bank

Display Columns


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

For currencies other than the US Dollar, the Brazilian Central Bank collects information from a selected information provider from 10 AM to 1 PM and publishes the reference rate of the day about 10 minutes after 1 PM (GMT-3) every business day.

Quotes on other periods

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Data available from Dec 05 1984 until Aug 18 2026

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