Compare Polymarket and Kalshi on fees, sports markets, legal access and welcome bonuses to find the right prediction market platform for you.

Mark Zuckerberg has recently directed a team to build a standalone prediction-market app, internally called “Arena” (and also codenamed Antwerp and FBForecast), to rival Kalshi and Polymarket. The market already noticed.

Ethereum (CRYPTO: ETH) co-founder, Vitalik Buterin, threw his support behind the cryptocurrency-based prediction market Polymarket, emphasizing its value in providing accurate information and preventing misinformation. What Happened: On Monday, Buterin ...

Zuckerberg wants to position himself as a competitor to Kalshi and Polymarket

Japan isn't opening its doors to Polymarket or Kalshi anytime soon. Strict gambling laws keep both platforms locked out — but a seven-month-old startup called

Polymarket confronts phishing losses, regulatory investigations, marketing controversies, congressional scrutiny, and renewed questions.