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The Market Heatmap visualizes all active Polymarket prediction markets in a treemap layout. Each block's size represents trading volume, while color indicates the dominant outcome: green means 'Yes' is likely (>70%), red means 'No' is likely (<30%), and amber means the outcome is uncertain. Hover over any block for detailed odds and volume data.

Market Heatmap

Visual overview of Polymarket activity. Block size reflects volume, color shows dominant outcome direction.

Yes likely (>70%)
Uncertain (30-70%)
No likely (<30%)
|Larger blocks = more volume

Frequently Asked Questions — Market Heatmap

How do I read the Polymarket heatmap?

Each block represents a prediction market. Block size reflects trading volume — larger blocks have more activity. Color indicates the dominant outcome: green means "Yes" is likely (>70% odds), red means "No" is likely (<30%), and amber means the outcome is uncertain (30–70%).

What does the heatmap show?

The Merlin heatmap visualizes all active Polymarket prediction markets in a treemap layout. It provides a visual overview of market activity, letting you quickly spot the most traded markets and their current probability direction.

How often is the heatmap updated?

The heatmap data refreshes automatically with live Polymarket data. Odds, volume, and market states are updated in real time as trades occur on the platform.