What is a crypto market heatmap?
A crypto market heatmap turns market cap and performance into a visual map so leadership, laggards, and breadth are easier to scan.
The short version
A crypto market heatmap is a visual grid of assets. Tile size often reflects market cap, while color reflects performance over a selected timeframe. It helps you see whether a move is broad or concentrated in a few coins.
Why it helps
Tables are precise, but maps make breadth easier to spot. If only a few large tiles are green, the market is narrow. If many sectors are green, the move is broader. Heatmaps can also reveal when laggards are hiding behind index-level strength.
What the colors mean
Green usually means price is up over the selected window and red means price is down. The strength of the color often reflects the size of the move. Always check the timeframe because a 1-hour heatmap can tell a different story than a 30-day heatmap.
Market cap weighting
Large assets dominate a market-cap heatmap because their tiles are bigger. That is useful for understanding total market impact, but it can understate smaller sectors that are moving strongly.
What to compare
Use a heatmap beside Bitcoin dominance, total market cap, volume, stablecoin liquidity, funding rates, and sector narratives. A strong heatmap is more meaningful when liquidity and participation confirm it.