Opinionlabsxyz and Kalshi have emerged as leaders in the prediction market space, with 7-day nominal volumes of $1.8 billion and $1.57 billion, respectively. Polymarket follows closely with $1.44 billion. Other notable platforms include 0xProbable with $81.78 million and predictdotfun with $71.75 million. Newer platforms like Trylimitless and SX_Bet are also gaining traction, reporting volumes of $19.5 million and $10.7 million, respectively. The rapid growth in volume across these platforms highlights the expanding interest and participation in prediction markets.