Australian Dollar (AUD)

October 2025

Summary of the Month
Parameter Bid Ask
Average Value R$ 3.5233 R$ 3.5249
Business Days 23

PTAX - Daily Quote

Date Bid Offer
Oct 31 2025 R$ 3.5236 R$ 3.5246
Oct 30 2025 R$ 3.5284 R$ 3.5293
Oct 29 2025 R$ 3.5309 R$ 3.5324
Oct 28 2025 R$ 3.5340 R$ 3.5349
Oct 27 2025 R$ 3.5209 R$ 3.5224
Oct 24 2025 R$ 3.5013 R$ 3.5027
Oct 23 2025 R$ 3.5067 R$ 3.5082
Oct 22 2025 R$ 3.5030 R$ 3.5039
Oct 21 2025 R$ 3.4981 R$ 3.4996
Oct 20 2025 R$ 3.5023 R$ 3.5043
Oct 17 2025 R$ 3.5268 R$ 3.5277
Oct 16 2025 R$ 3.5272 R$ 3.5287
Oct 15 2025 R$ 3.5458 R$ 3.5478
Oct 14 2025 R$ 3.5679 R$ 3.5694
Oct 13 2025 R$ 3.5598 R$ 3.5618
Oct 10 2025 R$ 3.5337 R$ 3.5357
Oct 09 2025 R$ 3.5085 R$ 3.5100
Oct 08 2025 R$ 3.5146 R$ 3.5166
Oct 07 2025 R$ 3.5130 R$ 3.5156
Oct 06 2025 R$ 3.5210 R$ 3.5236
Oct 03 2025 R$ 3.5369 R$ 3.5384
Oct 02 2025 R$ 3.5192 R$ 3.5202
Oct 01 2025 R$ 3.5124 R$ 3.5139

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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