{"id":539694,"date":"2026-09-23T10:50:04","date_gmt":"2026-09-23T14:50:04","guid":{"rendered":"https:\/\/alpha.pewresearch.org\/pewresearch-org\/?post_type=short-read&p=539694"},"modified":"2026-09-23T10:50:04","modified_gmt":"2026-09-23T14:50:04","slug":"prediction-markets-trading-volume-doubled-between-may-and-july-largely-driven-by-sports","status":"publish","type":"short-read","link":"https:\/\/alpha.pewresearch.org\/pewresearch-org\/short-reads\/2026\/09\/23\/prediction-markets-trading-volume-doubled-between-may-and-july-largely-driven-by-sports\/","title":{"rendered":"Prediction markets\u2019 trading volume doubled between May and July, largely driven by sports"},"content":{"rendered":"\n
\"San
San Diego Padres player Fernando Tat\u00eds Jr. throws a baseball in front of a Kalshi ad on Sept. 4, 2026, at Petco Park in San Diego. (Meg McLaughlin\/The San Diego Union-Tribune via Getty Images)<\/figcaption><\/figure>\n\n\n\n

The combined monthly global trading volume on Kalshi and Polymarket \u2013 the two leading prediction markets \u2013 more than doubled in the span of two months. It rose from $26 billion in May to $53 billion in July, according to a Pew Research Center analysis of data from The Block<\/a>, a digital assets media and information firm.<\/p>\n\n\n

\t\t
\n\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
Trading volume on prediction markets doubled between May and July<\/div>\n\t\t\t\t\t\t
Combined monthly global trading volume on Kalshi and Polymarket, in U.S. dollars<\/em><\/div>\n\t\t\t\t\t\t
<\/div><\/div>\n\t\t\t\t\t\t\n\t\t\t\t\t\t
Note: Polymarket includes Polymarket US. Data is shown through July 2026.<\/div>\n\t\t\t\t\t\t
Source: Pew Research Center analysis of data from The Block, accessed September 2026.<\/div>\n\t\t\t\t\t\t
PEW RESEARCH CENTER<\/div>\n\t\t\t\t\t\t
\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t

Share this chart<\/h2>\n\t\t\t\t\t\t