KalshiData: In 2025, Kalshi's trading volume reached $23.8 billion, a year-on-year increase of 1108%

Mars Finance reports that KalshiData posted on the X platform that all indicators achieved record growth in 2025. In terms of nominal trading volume, the total for the year reached $23.8 billion, a year-over-year increase of 1108%, approximately 12.1 times. Among them, December set a monthly record high of $6.38 billion, the 4th week of December set a weekly record high of $1.7 billion, and December 21st set a daily record high of $381.7 million. In terms of trading volume, the total for the year reached 97 million trades, a year-over-year increase of 1680%, approximately 17.8 times. December’s trading volume was 27.76 million trades, the 4th week of December was 7.6 million, and December 21st was 1.5 million, all setting record highs. In terms of open interest, the total reached $225 million, a year-over-year increase of 169%, approximately 2.7 times. On March 9th, a daily record high of $533 million was set, the first week of March set a weekly record high of $530 million, and February set a monthly record high of $499.5 million. In terms of the number of trading contracts, the total for the year reached 23.8 billion, a year-over-year increase of 1108%, approximately 12.1 times. December, the 4th week of December, and December 21st each set monthly, weekly, and daily record highs with 6.38 billion, 1.7 billion, and 382 million contracts respectively.