Prediction markets experienced a significant 91% increase in trading volume in October 2025, totaling $840 million. Weekly trading volumes also reached a record $20 billion. Notable developments include Donald Trump's Truth Social launching 'Truth Predict,' a CFTC-regulated betting service, and Changpeng Zhao's YZi Labs investing in decentralized oracle projects. Additionally, ICE's $2 billion investment in Polymarket highlights growing interest from traditional finance.