Brazil Investigates Polymarket Over 2026 Presidential Election Markets

Brazil is intensifying its regulatory crackdown on international crypto-based prediction platforms. The country’s Attorney General’s Office (AGU) is currently reviewing a complaint against Polymarket, focusing on markets linked to the upcoming 2026 presidential election. The AGU is awaiting specific information from the Ministry of Finance before deciding on formal measures. This move represents a significant escalation in Brazil's efforts to curb unauthorized prediction markets that operate in the gray area between financial derivatives and traditional gambling.

Earlier this year, Brazilian authorities had already moved to block access to Polymarket. The National Telecommunications Agency (Anatel) is working closely with the Ministry of Finance and the Superior Electoral Court (TSE) to address these platforms. The TSE has reportedly shared materials related to complaints about the election markets with the AGU. The government argues that these betting markets could potentially interfere with the integrity of the democratic process and clearly violate current gambling regulations. While platform operators often claim their services are information tools, the Brazilian government rejects this classification.

Numbers and facts

The scale of the market attracting government scrutiny is substantial. On Polymarket, the current odds for Flávio Bolsonaro winning the presidency stand at 51.8%, while the incumbent, Luiz Inácio Lula da Silva, is at 45%. The total volume for the 2026 presidential election market has already reached $150,069,363. Further markets, such as the second-place finish in the first round, show Flávio Bolsonaro with a 76% probability. Other candidates like Renan Santos and Augusto Cury are also listed, though their chances are currently estimated at less than 2%.

Regulatory action is grounded in Resolution No. 5,298 issued by the National Monetary Council (CMN). This regulation, effective since May 4, explicitly prohibits derivatives tied to sports results, virtual games, or political, social, and entertainment events. Dario Durigan, Executive Secretary of the Ministry of Finance, emphasized the government's stance against unregulated betting products. The only exceptions are assets recognized as financial benchmarks by the CVM, a status not granted to election prediction contracts.

Background

The dispute centers on the legal definition of these contracts. Polymarket views its offerings as prediction or information markets, but Brazilian regulators categorize them as fixed-odds betting. The Secretariat of Prizes and Betting has stated that no prediction market operator has been authorized to operate in Brazil. In April, the Ministry of Finance requested Anatel to block 27 platforms, including major names like Polymarket and Kalshi, citing non-compliance with the country’s established betting rules.

"The government did not want bet-like products to develop outside an established regulatory framework." - Dario Durigan, Executive Secretary of the Ministry of Finance

Globally, Polymarket faces similar challenges. The platform is already restricted in the United States, and countries like Lithuania have taken steps to block its services. Brazilian authorities are particularly concerned that large-scale financial stakes in political outcomes could incentivize disinformation or manipulation, especially as the $150 million volume indicates significant financial interests are at play.

Why it matters for German players

For players in Germany, the situation in Brazil serves as a reminder of the strict limitations imposed by the State Treaty on Gambling 2021 (GlüStV 2021). In Germany, betting on political events is strictly prohibited. The Joint Gambling Authority of the Laender (GGL) only licenses sports betting, virtual slots, online poker, and casino games. Platforms like Polymarket, which operate using cryptocurrency and lack a German license, are not on the GGL whitelist and are considered illegal in Germany.

German users should be aware that participating in these markets carries significant legal and financial risks. Unlike GGL-licensed operators, which enforce a 1,000 EUR monthly deposit limit via the LUGAS system and a 1 EUR stake limit on slots, crypto platforms offer no such player protections. In case of a dispute, German players have no legal recourse and risk the total loss of their funds without any state oversight.

What it means for GGL-licensed casinos

Licensed German operators benefit from the clear separation between regulated gambling and unregulated shadow markets. The crackdown on political betting in countries like Brazil reinforces the channeling model used in Germany to protect consumers. For GGL-licensed casinos, this means a stable environment where they can operate without competition from high-risk political betting markets. However, the rise of decentralized markets remains a point of observation, as it may prompt regulators to demand even more advanced monitoring tools for the legal industry.