Kalshi, Polymarket, and Polymarket US traded a combined $44.8 billion in June, up 75 percent from May's $25.66 billion figure.

The 2026 FIFA World Cup became the largest prediction market event, generating over $5.4 billion in trading volume. Expanded participation, lower-cost markets and AI-driven…

Kalshi, Polymarket, and Polymarket US traded a combined $44.8 billion in June, up 75 percent from May's $25.66 billion figure.