| Date | Bid | Offer |
|---|---|---|
| Jul 31 2019 | R$ 2.5925 | R$ 2.5933 |
| Jul 30 2019 | R$ 2.6033 | R$ 2.6045 |
| Jul 29 2019 | R$ 2.6176 | R$ 2.6188 |
| Jul 26 2019 | R$ 2.6064 | R$ 2.6075 |
| Jul 25 2019 | R$ 2.6312 | R$ 2.6324 |
| Jul 24 2019 | R$ 2.6223 | R$ 2.6234 |
| Jul 23 2019 | R$ 2.6323 | R$ 2.6335 |
| Jul 22 2019 | R$ 2.6325 | R$ 2.6337 |
| Jul 19 2019 | R$ 2.6338 | R$ 2.6346 |
| Jul 18 2019 | R$ 2.6396 | R$ 2.6404 |
| Jul 17 2019 | R$ 2.6404 | R$ 2.6415 |
| Jul 16 2019 | R$ 2.6400 | R$ 2.6412 |
| Jul 15 2019 | R$ 2.6355 | R$ 2.6363 |
| Jul 12 2019 | R$ 2.6235 | R$ 2.6246 |
| Jul 11 2019 | R$ 2.6198 | R$ 2.6206 |
| Jul 10 2019 | R$ 2.6240 | R$ 2.6252 |
| Jul 09 2019 | R$ 2.6212 | R$ 2.6224 |
| Jul 08 2019 | R$ 2.6516 | R$ 2.6527 |
| Jul 05 2019 | R$ 2.6613 | R$ 2.6621 |
| Jul 04 2019 | R$ 2.6626 | R$ 2.6634 |
| Jul 03 2019 | R$ 2.7055 | R$ 2.7063 |
| Jul 02 2019 | R$ 2.6952 | R$ 2.6964 |
| Jul 01 2019 | R$ 2.6586 | R$ 2.6594 |
Source: Brazilian Central Bank
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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.