Kalshi reported a remarkable surge in trading volume for 2025, reaching $23.8 billion, a 1,108% increase from the previous year. December alone accounted for $6.38 billion, setting a new monthly record, while December 21 saw a daily peak of $381.7 million. The total number of transactions for the year hit 97 million, up 1,680% year-on-year, with December contributing 27.67 million transactions. Open interest also saw significant growth, totaling $225 million, a 169% increase from 2024. March 9 marked a daily record of $53.3 million in open interest. Additionally, the number of traded contracts for the year reached 23.8 billion, with December setting new records for monthly, weekly, and daily volumes.