Market Insights — September 30, 2026

Daily analysis of prediction market trends, biggest movers, and top volume markets from Polymarket. Updated every 10 minutes.

631
Active Markets
$92.8M
24h Volume
$4635.2M
Total Volume
31.9%
Avg Movement

Biggest Movers Today

Markets with the largest probability changes in the last 24 hours.

Market24h ChangeCurrent Odds24h Volume
Highest temperature in Austin on September 29? +99.2% 100% $26K
Highest temperature in London on September 29? +97.8% 100% $63K
Guatemala vs. El Salvador - More Markets +97.0% 100% $24K
Luxembourg vs. Iceland - Exact Score +96.2% 100% $16K
Scotland vs. Switzerland - Exact Score +95.2% 100% $76K
Highest temperature in Chengdu on September 29? +95.0% 100% $38K
Australia vs. Brazil - More Markets +93.5% 100% $378K
United States vs. Chile - More Markets +93.5% 100% $270K
Luxembourg vs. Iceland - More Markets +93.0% 100% $116K
Finland vs. Belarus - Exact Score +90.5% 100% $160K
Slovakia vs. Kazakhstan - Exact Score +90.5% 100% $22K
Scotland vs. Switzerland - More Markets +90.0% 100% $487K
Mexico vs. Peru - Exact Score +90.0% 100% $38K
Guinea-Bissau vs. Nigeria +89.5% 100% $93K
Cape Verde vs. Rwanda +89.5% 100% $77K

Highest Volume Markets

Markets attracting the most trading activity in the last 24 hours.

MarketLeading Odds24h VolumeTotal Volume
Dota 2: 1win vs Natus Vincere (BO3) - BLAST Slam Group B 100% $3.9M $3.9M
Valorant: G2 Esports vs Paper Rex (BO3) - VCT Champions Grou 100% $2.3M $2.6M
Dota 2: LGD Gaming vs Xtreme Gaming (BO3) - BLAST Slam Group 100% $2.1M $2.3M
Fed Decision in October? 56% $1.9M $17.7M
Czechia vs. England 100% $1.8M $1.9M
Spain vs. Croatia 100% $1.8M $1.9M
Boston Red Sox vs. New York Yankees 100% $1.7M $1.7M
Chicago White Sox vs. Houston Astros 100% $1.6M $1.7M
Philadelphia Phillies vs. Atlanta Braves 100% $1.6M $1.6M
Dota 2: Team Liquid vs Yakult Brothers (BO3) - BLAST Slam Gr 100% $1.6M $1.6M

How to Read This Data

24h Change shows how much the leading outcome's probability has shifted in the last 24 hours. Large moves often indicate breaking news or significant developments. Volume represents real money wagered by traders on Polymarket. Higher volume markets typically have more reliable odds.

Want to explore more? Check our guides, use the odds calculator, or browse all active markets.