October has been a record-breaking month for prediction markets, with significant user engagement and transaction activity. Odaily reports that total users surged to 524,200, marking the highest number of participants ever recorded. A substantial proportion of these new users (40.4%) joined the platform, signaling growing interest in the market. With a combined 30 million transactions and $8.7 billion in nominal trading volume, October set a new benchmark for prediction markets activity. Kalshi emerged as the market leader in both transaction count and trading volume, capturing between 45% and 55% of the overall market share. Polymarket followed closely behind, while other smaller projects accounted for only a relatively small portion, representing around 7% to 10%.