what happened, in order
| when | what |
|---|---|
| friday, oct 23 | dollar closes at R$ 4.99. ibovespa at 205,083 points. |
| sunday, oct 25, afternoon | a supreme court justice extends voting by two hours. both campaigns had asked for more time. |
| sunday, evening | electoral court declares lula the winner, 51.8% to 48.2%, a lead of about 4.4 million votes. first time since 1989 that the first-round runner-up wins the presidency. |
| sunday, night | flávio bolsonaro calls the extension "unacceptable" and says he will ask for the vote to be annulled. dollar futures abroad reach R$ 5.56, up about 10%. USDT trades at R$ 5.42 on brazilian crypto platforms. a brazilian equities etf in new york falls 18.6%. |
| monday, oct 26, morning | federal police notify the senator of a supreme court order to surrender his passports and not leave the country. USDT and USDC buy price hits R$ 5.54 at exchanges and banks. the united states and argentina stay silent while more than 30 countries and the eu congratulate lula. |
| monday, 9:57 | ibovespa falls more than 10% at the open. circuit breaker, trading halted 30 minutes. last time this happened was march 2020. |
| monday, close | ibovespa 176,608, down 13.9%, after touching 169,516. dollar closes at R$ 5.40, up 8.2%, after a high of R$ 5.60. the market moves to price a rate hike in november. |
numbers from b3, infomoney, livecoins and investnews on october 25 and 26, 2026. sources at the end. a legal challenge to the count was announced but not filed when this was written.
why the market reacted this hard
a currency does not lose 8% in a day over a name. it loses 8% over what the name is expected to spend. the independent fiscal institution of the senate puts the benefits and programs mobilized by the government in 2026 at R$ 298.4 billion, about 2.2% of gdp. estadão's own count reaches R$ 405 billion across 46 measures: a 15% raise in bolsa família, debt forgiveness for small businesses, fuel tax cuts, a R$ 150 billion debt renegotiation program, a shorter work week. for comparison, dilma rousseff's 2014 reelection cost an estimated 3.1% of gdp.
the balance sheet it lands on: gross public debt at 82.9% of gdp in august, up from 73.8% when this government took office. the primary deficit is budgeted at 0.4% of gdp for 2026. the election-night speech promised more social spending and no new fiscal measures. the market did the arithmetic before the fx desks opened.
add a contested count, a runner-up barred from leaving the country, and two of brazil's largest trading partners not picking up the phone, and you get a monday where the question in são paulo was not "is the dollar going up" but "where can i get one right now".
the dollar that never closed
here is the detail that matters for anyone who builds payments. between friday 5pm and monday 9am, the official dollar did not exist. no bank quoted it, no broker sold it, the b3 was dark. the number everyone was watching, R$ 5.56, came from chicago. the number people could actually transact at came from a stablecoin.
- USDT traded at R$ 5.42 on sunday night, about 9% above friday's official close, while the official rate was frozen at R$ 4.99.
- by monday morning the buy price for USDT and USDC reached R$ 5.54 at exchanges and digital banks, still before the b3 opened.
- when the official market finally closed on monday at R$ 5.40, the stablecoin price had been there for fourteen hours.
the premium is not a bug. it is the price of being the only market open. it also cuts both ways: whoever bought USDT at R$ 5.54 on monday morning paid more than the monday close. a digital dollar is a dollar, no more, no less, and it moves with the dollar in both directions. what it does not do is wait for a trading calendar.
one more thing happened on sunday that is easy to miss. at least one international on- and off-ramp provider announced that its brazilian partner had paused deposits and withdrawals in reais because it could not price the conversion. the on-chain side kept working. the local-currency side is the one that stops when things get loud, and that split is exactly how the rules in brazil already draw the line.
what the rules say
- since february 2, 2026, central bank resolution 521 treats buying, selling and transferring a dollar stablecoin as a foreign-exchange operation, done through providers the central bank licenses.
- since october 1, 2026, resolution 561 bars licensed payment firms from settling cross-border remittances in stablecoins on a customer's behalf.
- what stays allowed: receiving, holding and transferring digital dollars, and converting them to reais through a licensed provider.
so a company has two legs to solve. the stablecoin leg, where the money lives on a public network and never closes. and the local-currency leg, licensed, which converts to reais during business hours and files what the regulator asks. dolaramp is the first leg only. it does not convert, does not do pix, and does not hold your keys.
building for the next sunday night
a week like this one shows what a payments stack needs and does not need.
| need | what it looks like with the dolaramp api |
|---|---|
| a dollar balance that is yours | a hotwallet per network whose secret only you hold, key exportable at any time. nobody between you and the token. |
| receive at any hour | one address per customer or per invoice, created in milliseconds. receiving is free. a signed webhook the moment a deposit confirms, sunday included. |
| move without a gas token | consolidation and payouts from $0.10, paid in the stablecoin itself. on tron the network's GasFree fee of 1.50 USDT applies and the address never needs TRX. |
| more than one network | USDT, USDC and PYUSD on solana; USDT on tron and gram (ton); USDC on base; USDC and USDT on arbitrum. let the payer choose. |
| a checkout, not just an api | dolaramp pay: the buyer picks a network, gets an address and a qr, pays from any wallet. you get the confirmation. on tron we measured 36 seconds from block to credit. |
| no monthly fee to find out | the free plan covers up to 1,000 addresses. the first integration is a few calls. |
the use cases did not change this week, they just got louder: an exporter paid in USDC before the bank opens, a saas pricing in dollars for customers across the region, a marketplace that lets a buyer in buenos aires or são paulo pay in the dollar they already hold, a treasury that keeps working capital in digital dollars so a sunday night does not decide monday's margin. we wrote about those companies here; the numbers in that piece were measured before this election and already showed stablecoins at about 90% of brazil's crypto flows.
for a person rather than a company, the same dollar sits in the dolaramp wallet: receive for free, your own 12 words, no gas token to buy.
what this does not solve
- it does not tell you whether the real goes to R$ 6 or back to R$ 5. nobody knows, and a stablecoin does not care.
- it does not replace the licensed leg. getting reais in or out still goes through a provider the central bank licenses, during the hours that provider works.
- a transfer on a public network is final. a refund is a new payment.
- the sunday-night premium is real. the price of the only open market is higher than the price of the closed one, and it can reverse by monday afternoon.
this article describes what happened on october 25 and 26, 2026, and how the dolaramp api works. it is not investment advice and does not recommend buying or selling any currency.
faq
Why was USDT more expensive than the official dollar on Sunday?
Because it was the only dollar for sale. The official rate closed on Friday at R$ 4.99 and did not move until Monday 9am. USDT and USDC trade every hour, so their price in reais absorbed the election result first: R$ 5.42 on Sunday night, R$ 5.54 on Monday morning, against an official close of R$ 5.40.
Is a stablecoin a way to protect money from the real?
A dollar stablecoin follows the dollar, up and down. It is not a yield product and not advice. What it gives you is a dollar that sits on your own keys, moves in seconds at any hour, and does not depend on a bank, a broker or a trading calendar being open.
Can a Brazilian company receive digital dollars today?
Yes. Since February 2026 buying, selling and transferring stablecoins is a foreign-exchange operation done through providers licensed by the central bank. Receiving and holding USDT or USDC on-chain is allowed. Converting to reais is the licensed provider's job, not dolaramp's.
What does it cost to start with the dolaramp api?
Nothing to start. The free plan has no monthly fee, covers up to 1,000 addresses, and receiving is free. A consolidation or payout costs from $0.10, taken in the stablecoin itself. On TRON the network's GasFree fee of 1.50 USDT applies.