2026-09-04 · Top 20 by trading volume · Source: Polymarket
Prediction market volume rankings · Source: Polymarket
| # | Market | Volume | Outcomes / Prices | |---|--------|--------|-------------------| | 1 | Democratic Presidential Nominee 2028 | $1.27B | | 2 | Brazil Presidential Election | $142.5M | | 3 | Fed Decision in September? | $85.6M | | 4 | What price will Bitcoin hit in 2026? | $63.1M | | 5 | UEFA Champions League: 2027 Champion | $22.7M | | 6 | 2026 Men’s US Open Winner (Tennis) | $18.9M | | 7 | Elon Musk # tweets August 28 - September 4, 2026? | $2.4M | | 8 | Mubadala Citi DC Open: Alex de Minaur vs Stefanos Tsitsipas | $2.0M | | 9 | What price will Bitcoin hit in September? | $1.9M | | 10 | Bitcoin above ___ on July 29? | $1.4M | | 11 | Bitcoin above ___ on September 4? | $1.3M | | 12 | Mubadala Citi DC Open: Emma Navarro vs Elisabetta Cocciaretto | $1.3M | | 13 | Bitcoin above ___ on August 8? | $1.1M | | 14 | Elon Musk # tweets July 27 - July 29, 2026? | $1.0M | | 15 | Generali Open: Vit Kopriva vs Ignacio Buse | $970K | | 16 | Bitcoin above ___ on July 26? | $828K | | 17 | The Memphis Classic: Ekaterina Alexandrova vs Kristina Liutova | $778K | | 18 | Golden State Valkyries vs. Phoenix Mercury | $688K | | 19 | Estoril Open: Kyrian Jacquet vs Alexander Blockx | $674K | | 20 | UFC Fight Night: Gigi Canuto vs. Carol Foro (Women's Strawweight, Prelims) | $665K |