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

According to a report by Parity, a prediction market data platform, published on the X platform, data from May 2024 shows that Kalshi and Polymarket, two major prediction markets, added over 273,908 new users last 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.