What to Know

  • Corporate accounts generated 78% of election-day trading volume on Mercado Bitcoin as Brazilian companies moved to hedge treasury exposure.
  • USDT volume on Mercado Bitcoin jumped nearly 800% from the previous Sunday, while bitcoin volume surged 865%.
  • Binance’s USDT/BRL market tripled, while the global BTC/USDT pair declined during the same period.
  • The Ibovespa fell 14% on Monday, its worst performance since March 2020, after Luiz Inácio Lula da Silva defeated Flávio Bolsonaro.
  • The dollar gained more than 8% against the real, its largest daily rise since 1999.
  • Data across 10 venues showed USDT turnover against the real rose 150% from the previous Sunday, while USDC volume jumped 318%.
  • On Monday, combined USDT and USDC turnover reached 1.84 billion reais, equivalent to $350 million, while bitcoin trading rose more than ninefold to 1,336 BTC.
  • Prediction markets had priced Bolsonaro as the favorite, with Kalshi putting his chances at 84% in an Oct. 24 preview.

Brazilian Firms Sought Dollar Exposure as Markets Were Shut

Brazilian companies turned heavily to crypto markets on election day as they looked for ways to protect balance sheets from a sudden repricing of the real. With traditional markets closed on Sunday, corporate accounts on Mercado Bitcoin became the dominant force in trading activity, generating 78% of the exchange’s volume while retail customers accounted for the remaining 22%.

The move highlighted how stablecoins are increasingly being used as a treasury tool in moments of political and currency uncertainty. Tether’s dollar-pegged USDT saw volume on Mercado Bitcoin jump nearly 800% from the previous Sunday and rise to more than triple the average of the four preceding Sundays. Bitcoin activity also accelerated sharply, with volume surging 865% compared with the prior Sunday.

The rush followed an unexpected election result in which incumbent President Luiz Inácio Lula da Silva defeated Flávio Bolsonaro. Prediction markets had leaned strongly toward a Bolsonaro win, with Kalshi pricing his chances at 84% in an Oct. 24 preview, even as polling was described as extremely close. That mismatch left many market participants reacting quickly when the outcome broke against the prevailing trade.

Stablecoins Became a Treasury Hedge

For companies exposed to the Brazilian real, dollar-linked stablecoins offered immediate access to synthetic dollar exposure at a time when banks and traditional securities markets were not available. Stablecoins such as USDT and USDC are commonly used in crypto markets as a way to move between local currencies and dollar-denominated liquidity without waiting for conventional market hours.

Market participants viewed the election outcome through a fiscal lens. Lula’s platform included increased social spending and a ban on online betting that would reduce tax income, raising concerns among investors about pressure on Brazil’s public finances. Rising debt, new spending commitments and limited scope for tax increases contributed to fears that the real could weaken and borrowing costs could remain elevated.

Pedro Fontes, a research analyst at Mercado Bitcoin, framed the response as a sign that investors were unwilling to rely only on the real. He said that in an environment of higher exchange-rate pressure, stablecoins such as USDT and USDC provide a simple way to dollarize part of a portfolio at any time and from low amounts. That argument appeared to resonate most strongly with companies, not retail users, based on the exchange’s volume breakdown.

Mercado Bitcoin said the main driver of volume was companies seeking to protect their treasuries. The exchange also noted that its corporate clients are known to hold up to 15% of their assets on the platform, giving them a ready channel to react when conventional markets are unavailable.

Monday’s Market Reaction Confirmed the Currency Stress

The urgency seen in crypto markets on Sunday was followed by severe pressure in Brazil’s traditional markets on Monday. The Ibovespa benchmark stock index dropped 14%, marking its worst performance since March 2020. The dollar rose more than 8% against the real, its largest daily gain since 1999.

That follow-through gave context to the earlier crypto activity. Companies that bought USDT, USDC or bitcoin against the real were not simply speculating on digital assets; many were responding to the risk that the local currency would gap lower once conventional markets reopened. Crypto markets, operating continuously, became a venue for immediate repositioning.

The price behavior also showed how local currency moves can create sharp differences between domestic and global crypto pairs. Bitcoin gained 9.4% against the real while slipping 0.2% against USDT. That divergence was consistent with a repricing of Brazil’s currency rather than a broad global rally in bitcoin.

Real-Denominated Crypto Trading Broadened Across Venues

The election-day surge was not limited to Mercado Bitcoin. Data from Biscoint, which tracks crypto prices and volume across 10 venues including Binance and Mercado Bitcoin, showed wider demand for dollar-linked tokens against the real. USDT turnover against the real rose 150% from the previous Sunday, while USDC, the second-largest stablecoin, jumped 318%.

On Binance, the local activity contrasted sharply with global trading. The USDT/BRL market tripled, and bitcoin turnover against the real rose 370%. At the same time, Binance’s global BTC/USDT pair recorded a 25% decline in turnover. The split reinforced the view that the Brazilian election shock drove a localized rush into crypto liquidity rather than a worldwide burst of bitcoin demand.

The activity continued into Monday. Combined USDT and USDC turnover reached 1.84 billion reais, or $350 million, which was 65% higher than in the previous week. Bitcoin trading rose more than ninefold to 1,336 BTC. For companies and active traders, the crypto market served as a bridge between political news and the next available trading session in traditional assets.

A Sharp Reversal From the First Round

The second-round reaction contrasted with market behavior after the first round of voting three weeks earlier. When Bolsonaro finished ahead of Lula in the first round, the Ibovespa jumped 7.7% and the dollar weakened more than 4% against the real. Investors had anticipated a change of government and tighter control over public spending.

Lula’s comeback altered that pricing. His victory made him the first presidential candidate in Brazil’s modern democracy to win after finishing in second place. The unexpected nature of the reversal left companies more cautious, particularly those with cash balances, liabilities or import costs sensitive to foreign-exchange volatility.

Political uncertainty can magnify currency moves when investors believe fiscal policy may change. In Brazil’s case, concerns centered on public spending, debt and tax capacity. Stronger opposition in Congress could also complicate efforts to address fiscal problems, reinforcing demand for assets priced in global markets rather than solely in the real.

Prediction Markets Faced a Reality Check

The result also put prediction markets under scrutiny. Kalshi had priced Bolsonaro as a clear favorite in an Oct. 24 preview, while Kalshi and Polymarket had both been blocked in Brazil since April. Lula won the runoff the next day, in an election that included a controversial last-minute two-hour extension to voting time granted by Lula’s former defense attorney.

Einar Knobel, chief executive and co-founder of sports data and technology company TxODDS, said prediction markets appeared to be trading the first-round result, poll headlines and the narrative that formed around them. He argued that the outcome should not necessarily be read as a failure of prediction markets, because the mechanism performed based on the information it was given.

For traders, however, the practical lesson was clear: when political outcomes are uncertain and local markets are closed, crypto venues may become the first outlet for risk management. The Brazilian episode showed how quickly companies can move into stablecoins and bitcoin when they need liquidity, dollar exposure and round-the-clock execution.

Why the Corporate Role Matters

The unusually large corporate share of trading volume matters because it suggests crypto adoption in Brazil is not limited to retail speculation. Treasury departments appear to be using stablecoins in a pragmatic way, especially during periods when local assets face abrupt repricing risk. That does not remove the risks of crypto trading, custody, liquidity or regulation, but it shows why dollar-pegged tokens have become relevant in volatile currency environments.

Stablecoins can function as a fast, market-based alternative for companies seeking temporary dollar exposure. Bitcoin can also attract flows when investors want assets that trade globally and continuously, though its own price volatility makes it a different kind of hedge from a dollar-pegged token. The election-day split between rising local bitcoin activity and falling global BTC/USDT turnover suggests many participants were responding to the real rather than making a broad bet on bitcoin itself.

FXCOINZ views the episode as a significant example of how political shocks can accelerate crypto market usage in emerging markets. When exchange-rate pressure, fiscal uncertainty and closed traditional markets converge, stablecoins can become an immediate tool for corporate risk management. Brazil’s election-day trading surge offered a clear case of that dynamic in action.

Frequently Asked Questions (FAQs)

Why did Brazilian companies buy stablecoins on election day?

Brazilian companies used stablecoins to seek dollar-linked exposure while traditional markets were shut. The election result increased concern about pressure on the real, making USDT and USDC attractive tools for fast treasury hedging.

How much of Mercado Bitcoin’s trading came from corporate accounts?

Corporate accounts generated 78% of Mercado Bitcoin’s election-day trading volume. Retail customers were responsible for 22% of the total.

How much did USDT volume rise on Mercado Bitcoin?

USDT volume on Mercado Bitcoin jumped nearly 800% from the previous Sunday. It was also more than triple the average of the four preceding Sundays.

What happened to bitcoin trading in Brazil?

Bitcoin volume on Mercado Bitcoin surged 865% compared with the previous Sunday. Across Monday trading, bitcoin volume rose more than ninefold to 1,336 BTC.

How did Brazil’s stock market react after the election?

The Ibovespa fell 14% on Monday after the election, its worst performance since March 2020. The dollar also rose more than 8% against the real, its largest daily gain since 1999.

Was the crypto surge only on Mercado Bitcoin?

No. Data across 10 venues showed USDT turnover against the real rose 150% from the previous Sunday, while USDC volume jumped 318%. Binance also saw a sharp increase in real-denominated crypto activity.

Why did bitcoin rise against the real but fall against USDT?

Bitcoin gained 9.4% against the real while slipping 0.2% against USDT, which suggests the move was largely tied to weakness in Brazil’s currency rather than a broad global bitcoin rally.

What did prediction markets get wrong?

Prediction markets had leaned toward a Bolsonaro victory, with Kalshi pricing his chances at 84% in an Oct. 24 preview. Lula won the runoff the next day, surprising market participants who had positioned for a different outcome.

What does this mean for crypto adoption in Brazil?

The surge suggests that Brazilian companies are using crypto markets for more than speculation. Stablecoins and bitcoin can serve as round-the-clock tools for liquidity and risk management when political events threaten currency stability.