Live

Top 20 markets by volume · 2026-08-19

Polymarket continues to dominate prediction market volume. The 2028 US Presidential Election leads at $687.7M, followed by Ethiopia PM ($281.6M) and Brazil Election ($128.9M). Fed September decision ranks 4th at $36.9M — a key macro catalyst to watch. Tennis markets dominate mid-tier volume while Bitcoin price targets remain active short-dated instruments.

# Market Volume Outcomes
1 Presidential Election Winner 2028 $687.70M N/A
2 Next Prime Minister of Ethiopia? $281.57M N/A
3 Brazil Presidential Election $128.90M N/A
4 Fed Decision in September? $36.89M N/A
5 UEFA Champions League: 2027 Champion $10.56M N/A
6 Florida Governor Republican Primary Winner $9.00M N/A
7 Mubadala Citi DC Open: Alex de Minaur vs Stefanos Tsitsipas $2.04M N/A
8 Cincinnati Open: Jaime Faria vs Adam Walton $1.46M N/A
9 Bitcoin above ___ on July 29? $1.43M N/A
10 Mubadala Citi DC Open: Emma Navarro vs Elisabetta Cocciaretto $1.26M N/A
11 Fenerbahçe SK vs. Olympique Lyonnais - More Markets $1.08M N/A
12 Bitcoin above ___ on August 8? $1.07M N/A
13 Elon Musk # tweets July 27 - July 29, 2026? $1.03M N/A
14 Generali Open: Vit Kopriva vs Ignacio Buse $969.96K N/A
15 Bitcoin above ___ on July 26? $828.32K N/A
16 The Memphis Classic: Ekaterina Alexandrova vs Kristina Liutova $777.70K N/A
17 Golden State Valkyries vs. Phoenix Mercury $687.69K N/A
18 Estoril Open: Kyrian Jacquet vs Alexander Blockx $674.36K N/A
19 Arizona Diamondbacks vs. Boston Red Sox $671.09K N/A
20 UFC Fight Night: Gigi Canuto vs. Carol Foro (Women's Strawweight, Prelims) $665.47K N/A

Source: Polymarket.com · 2026-08-19