[KalshiData: Kalshi's Trading Volume Reaches $23.8 Billion in 2025, Up 1108% Year-on-Year] Odaily Planet Daily News - KalshiData posted on the X platform that all key metrics for Kalshi achieved record-breaking growth in 2025. In terms of nominal trading volume, the annual total reached $23.8 billion, a year-on-year increase of 1108%, approximately 12.1 times. Among these, 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 21 set a daily record high of $381.7 million. In terms of the number of trades, the annual total reached 97 million trades, a year-on-year increase of 1680%, approximately 17.8 times. Of these, December recorded 27.67 million trades, the 4th week of December recorded 7.6 million trades, and December 21 recorded 1.5 million trades, all setting historical highs. In terms of open interest, the total reached $225 million, a year-on-year increase of 169%, approximately 2.7 times. March 9 set a daily record high of $533 million, the 1st 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 annual total reached 23.8 billion contracts, a year-on-year increase of 1108%, approximately 12.1 times. December, the 4th week of December, and December 21 set monthly, weekly, and daily record highs with 6.38 billion, 1.7 billion, and 382 million contracts, respectively.