Kalshi and Polymarket, two major platforms, added over 270,000 new users last month; the latter's monthly retention rate exceeded 50%.

Parity, a prediction market data platform, published an article on its X platform stating that data from May 2024 to the present shows that Kalshi and Polymarket, two major prediction markets, have added over 273,908 new users each month. Furthermore, Polymarket boasts impressive retention rates: a monthly retention rate of 50.2% and a 3-month retention rate of 30%. Note: Kalshi's new user data is based on publicly available user data; retention rate data is calculated solely from Polymarket data.