Kalshi, Polymarket among 27 prediction platforms banned in Brazil
Brazil has blocked 27 prediction market platforms, including Kalshi and Polymarket, as new rules classify many contracts as gambling.
Archive context
Older archive item. Useful for background and entity history, but not a fresh market-moving signal.
Brazil has blocked 27 prediction market platforms, including Kalshi and Polymarket, as new rules classify many contracts as gambling.
Why this matters
Kalshi is showing up inside the Prediction Markets theme, so this story is worth tracking for follow-through rather than treating it as a one-off headline.
Original source
Read on CointelegraphRelated market context
Polymarket Takes €420K Dutch Gambling Fight to Court Over Crypto Prediction Markets
Key Takeaways: Polymarket challenges a court ruling that its prediction markets are illegal gambling in the Netherlands. Dutch reg...
Fed Rate Cut Prediction Odds: Polymarket Zero 2026 Fed Cuts Priced
Polymarket priced zero Fed rate cut prediction odds for the remainder of 2026 at 95.9%, or about 96%, as prediction markets and an...
Polymarket’s upgrade won’t automatically move existing bets to new contracts
Polymarket’s Protocol V2 rollout does not automatically move existing bets held under its older Conditional Tokens Framework, or C...
Polymarket Rebuilds Its Core Smart Contracts With Protocol V2, Targets Nov. 2 Switchover
Polymarket is replacing the smart contracts its prediction markets have run on since launch. Head of Protocol Rajath Alex introduc...
Polymarket Is Rebuilding the Engine Under Every Bet Before November 2
Polymarket has started live-testing Protocol V2, a ground-up rewrite of the smart contracts behind its prediction markets, with ne...
Polymarket overhauls smart contracts with new Protocol V2 rollout
Polymarket begins its Protocol V2 rollout ahead of a planned November transition for new prediction markets, while existing positi...