Key Points
- Brazilian federal authorities have implemented a comprehensive prohibition on prediction market platforms nationwide
- ANATEL is restricting access to 27 prediction market platforms under government directives
- Government officials categorize these platforms as unlawful gambling operations under Law 14.790/2023
- Effective May 4, a CMN resolution bans derivative instruments tied to non-financial outcomes
- Brazilian authorities have already restricted access to more than 39,000 unauthorized betting platforms
In a comprehensive regulatory action, Brazilian authorities have outlawed prediction market platforms nationwide, cutting off access to prominent operators including Kalshi and Polymarket. The decision was revealed at an official press conference held at the Palácio do Planalto.
Finance Minister Darío Durigan verified that ANATEL, Brazil’s telecommunications oversight body, is implementing restrictions on 27 platforms associated with prediction markets. Officials claim these operators have breached Law 14.790/2023, the legislative framework controlling fixed-odds wagering operations.
During the press briefing, Durigan emphasized consumer protection as the driving force behind the action. “We cannot permit citizens to deplete their financial resources through these platforms,” he stated.
Government regulators have determined that prediction market platforms constitute illegal gambling enterprises. Despite these platforms positioning themselves as analytical instruments, officials maintain that participants are essentially wagering on various outcomes for monetary gain.
From the administration’s perspective, this activity clearly falls under gambling operations.
Daniele Correa Cardoso, who serves as Secretary of Prizes and Betting within the Ministry of Finance, indicated the enforcement action extends well beyond prediction markets alone. Authorities have implemented access restrictions on over 39,000 unauthorized platforms throughout Brazilian territory.
Officials have stated there are no intentions to develop specialized regulatory guidelines for prediction market operations. These platforms will remain subject to current gambling prohibition measures.
Derivative Contract Restrictions Take Effect
The platform prohibition was announced alongside a fresh directive from Brazil’s National Monetary Council. Beginning May 4, derivative instruments connected to non-financial outcomes will be forbidden.
This encompasses contracts associated with sporting competitions, games of chance, political initiatives, electoral contests, or entertainment-related events. The regulation eliminates another avenue through which prediction market platforms could potentially function.
The directive specifically targets the underlying financial mechanisms these platforms utilize. The majority of prediction market operators earn income from transaction fees generated through their platforms.
Prediction market platforms have experienced significant expansion in recent years across international markets. Both Kalshi and Polymarket have established substantial international user communities.
However, regulatory authorities in multiple jurisdictions have begun implementing restrictions. Argentina recently prohibited Polymarket from conducting operations within its jurisdiction.
Industry Expansion Efforts Preceded Enforcement Action
Immediately preceding the government’s official statement, ABPred, Brazil’s inaugural prediction market industry organization, was established. The association sought to provide organizational framework and credibility to the emerging sector.
During the same period, PreviLabel, a white-label technology provider for prediction platforms, announced its entry into the Brazilian marketplace. Both initiatives indicated the industry anticipated sustained expansion within the country.
Those expansion strategies now encounter insurmountable obstacles. The dual impact of the platform prohibition and the derivative contract restrictions effectively eliminates prediction market operations throughout Brazil.
Brazilian officials have presented this regulatory decision as a consumer safeguarding initiative. Both financial regulators and betting authorities have coordinated their approach to strengthening restrictions on financial products linked to non-financial events.
Brazilian authorities have blocked 27 prediction market platforms and prohibited derivative contracts connected to non-financial outcomes effective May 4.


