Sports prediction markets

Compare volume across venues, sports, and leagues

Daily trade volume from Kalshi, Polymarket, Polymarket International, Nadex, and Gemini — normalized, filterable, and shareable.

Multi-venue

Side-by-side views of volume from major US and international sports prediction markets.

Drill down

Filter by sport, league, bet type, and date range. Share a link that preserves your view.

Patterns

Heatmaps and share charts for quick insight.