Numbers, Facts and Trends Shaping Your World

Read our research on:

|

Total volume on prediction markets has grown rapidly since mid-2025

Total volume on prediction markets has grown rapidly since mid-2025
Combined monthly global trading volume on Kalshi and Polymarket, in U.S. dollars
Chart
Note: Polymarket does not include Polymarket US. Data through April 2026 shown.
Source: Pew Research Center analysis of data from The Block, accessed May 2026.
PEW RESEARCH CENTER

Icon for promotion number 1

Sign up for our weekly newsletter

Fresh data delivered Saturday mornings

Thank you for subscribing!