Brazil bars prediction-market operations pending specific legislation, report says
Brazil’s federal government prohibited prediction-market operations on 4 May until specific legislation regulates the activity, according to the report. The article names Kalshi and Polymarket as major platforms and says the sector recorded US$40 billion in transactions in 2025. It also reports that Brazilian users had participated through overseas accounts before the prohibition.
The reported restriction affects prediction-market operators and users seeking access in Brazil.