Live aggregate data from 628+ active prediction markets on Polymarket. Updated every 10 minutes. Last update: Sep 30, 2026 at 01:55 UTC.
Breakdown of trading activity across prediction market categories.
| Category | Markets | Total Volume | 24h Volume | Top Market |
|---|
| # | Market | Leading Odds | Total Volume | 24h Volume |
|---|---|---|---|---|
| 1 | Democratic Presidential Nominee 2028 | 19% | $1286.2M | $221K |
| 2 | Presidential Election Winner 2028 | 21% | $710.2M | $406K |
| 3 | Republican Presidential Nominee 2028 | 51% | $708.2M | $30K |
| 4 | Brazil Presidential Election | 59% | $157.3M | $700K |
| 5 | Next French Presidential Election | 43% | $140.3M | $861K |
| 6 | Netanyahu out by...? | 48% | $124.5M | $20K |
| 7 | Venezuela leader end of 2026? | 68% | $97.9M | $96K |
| 8 | Kharg Island no longer under Iranian control by...? | 6% | $75.1M | $66K |
| 9 | What price will Bitcoin hit in 2026? | 100% | $71.6M | $265K |
| 10 | Will the US confirm that aliens exist by...? | 3% | $70.9M | $34K |
Markets with the biggest probability swings in the last 24 hours.
| Market | 24h Change | 24h Volume |
|---|---|---|
| Highest temperature in Austin on September 29? | +98.8% | $27K |
| Highest temperature in London on September 29? | +97.8% | $63K |
| Guatemala vs. El Salvador - More Markets | +97.0% | $173K |
| Luxembourg vs. Iceland - Exact Score | +96.2% | $16K |
| Eagles vs. Bears | +95.8% | $5.1M |
| Scotland vs. Switzerland - Exact Score | +95.2% | $76K |
| Highest temperature in Chengdu on September 29? | +95.0% | $41K |
| Highest temperature in Wellington on September 29? | +94.0% | $18K |
| Australia vs. Brazil - More Markets | +93.5% | $391K |
| Luxembourg vs. Iceland - More Markets | +93.0% | $117K |
How trading volume is distributed across all active markets.
| Volume Range | Markets | % of Total | |
|---|---|---|---|
| $1M+ | 105 | 16.7% | |
| $100K-$1M | 191 | 30.4% | |
| $10K-$100K | 332 | 52.9% | |
| $1K-$10K | 0 | 0.0% | |
| <$1K | 0 | 0.0% |
Distribution of leading outcome probabilities across all markets.
| Probability Range | Markets | % of Total | |
|---|---|---|---|
| 90-100% | 419 | 66.7% | |
| 70-90% | 59 | 9.4% | |
| 50-70% | 69 | 11.0% | |
| 30-50% | 34 | 5.4% | |
| 10-30% | 32 | 5.1% | |
| 0-10% | 15 | 2.4% |
This page shows live aggregate statistics from Polymarket, the world's largest prediction market by volume. Data is sourced from Polymarket's public API and updated automatically every 10 minutes. Volume figures represent total USDC wagered.
Citation: When referencing this data, please cite as: PredScope Prediction Market Statistics, September 30, 2026. predscope.com/stats
For more analysis, see our daily market insights, browse all active markets, or read our prediction market guides.