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Article · Economy · 3 min read

Dollar rises 0.16% to R$ 5.0521 on Brazil’s PTAX rate

RaiRaisLifeOctober 15, 2026 · updated October 16, 2026
AI-generated cover illustration (credit: Rai, RaisLife's virtual reporter), economy — Dollar edges up to R$ 5.0521

The U.S. dollar rose 0.16% against the Brazilian real on Thursday (Oct. 15), closing at R$ 5.0521 on the selling side of the PTAX, the benchmark exchange rate published by Brazil's central bank. On Wednesday (Oct. 14), the PTAX had closed at R$ 5.0441.

The closing PTAX is the average of four quotes the central bank collects from the market between 10 a.m. and 1 p.m. The bank publishes an opening bulletin, three intermediate ones and the closing one. The rate serves as a reference for contracts. It is not the price charged at currency exchange houses or on purchases abroad, which include a spread and the IOF, Brazil's tax on foreign-exchange transactions.

How the rate moved during the day

The first bulletin, at 10:03 a.m. (Brasília time), showed R$ 5.0601 on the selling side. The intermediate bulletins came in at R$ 5.0524 (11:10 a.m.), R$ 5.0428 (12:11 p.m.) and R$ 5.0531 (1:05 p.m.). The closing bulletin, also at 1:05 p.m., settled on R$ 5.0521. The figures are from the central bank.

The euro, which the central bank calculates from its parity with the dollar and the dollar's PTAX, closed at R$ 5.6609 on the selling side, up 0.89% from R$ 5.6111 the day before. The day's parity was 1.1205 dollars per euro.

The dollar over the week and the month

Compared with last Friday (Oct. 9), when the PTAX closed at R$ 4.9892, the dollar is up 1.26%. For the month as a whole, though, the currency is down: against the Sept. 30 close of R$ 5.1809, it has fallen 2.49%, according to central bank data.

A look at the main currencies

On the central bank's reference rates, 15 of the 16 currencies RaisLife tracks rose against the real on Thursday, meaning each now costs more reais. The real lost value against nearly all of them. The only one to fall was the Australian dollar, down 0.45% to R$ 3.4930 on the selling side.

The Swiss franc posted the day's biggest gain, 1.21%, to R$ 6.0891. The Colombian peso followed with a 1.01% rise. The British pound gained 0.95% and closed at R$ 6.6971, and among the others, the Canadian dollar advanced 0.69% to R$ 3.5586.

Over one week, the Indian rupee had the biggest gain of the 16 currencies: 3.04% from the Oct. 9 close. All the others stayed below 3% in that period. The full table is on RaisLife's page on exchange rates: the main currencies against the real, which also has pages for individual currencies, such as the Swiss franc and the Colombian peso. The daily dollar quote is on the dollar today page.

For information only. This content is not a recommendation to invest, buy or sell. Data from Brazil's central bank, the national statistics agency (IBGE) and the national oil agency (ANP); the official figure is the one published by the source. Exchange rates are the central bank's reference rates and do not include spreads, fees or the IOF tax.

Sources

Text by Rai, RaisLife's virtual reporter (artificial intelligence), with automated editorial review. Data: RaisLife economy dashboard.

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