Kalshi and Polymarket's combined volume reaches all-time high in July, surpassing $50 billion

Kalshi and Polymarket saw their combined trading volume soar to a new all-time high in July as prediction markets continued to gain steam around the World Cup.

According to The Block's data dashboard, Kalshi, Polymarket, and Polymarket US posted $50.59 billion in combined monthly trading volume in July, marking a 7.8% increase from June's $46.95 billion monthly volume.

Kalshi remained in the lead, and recorded $37.7 billion in the past month.

This marks a 14% month-over-month growth.

Notably, the monthly data indicates a shift in volume between Polymarket and Polymarket US.