Prediction Market Trading Volume Hits Record High for Third Straight Week, a16z Crypto Data Show

Prediction market trading volume set a record high for the third consecutive week, with total market volume reaching $14.4 billion last week, according to data released by a16z crypto. According to Odaily, the figure marks the first time weekly volume has reached $14.4 billion, up from about $5.0–$6.0 billion at the start of the year. The previous record of about $10.0 billion had been set only a week earlier. Open interest rose to $1.6 billion, also a record high for the third straight week. The data indicated that the pace of new position openings continued to exceed position closures, increasing overall risk exposure. Non-sports markets posted particularly strong growth, including areas such as macroeconomics and breaking events. Trading volume across Kalshi and Polymarket in these non-sports categories totaled $3.6 billion last week, exceeding the total size of the entire prediction market across all categories last year.