# Market Heatmap

> A squarified treemap chart that sizes tiles by market cap (or weight) and colors them on a diverging red-to-green scale to visualize price change across a set of assets or sectors.

- Author: [Arihant jain](https://21st.dev/@arihantcodes_1f7b8c4d)
- Library: [Spectrum UI](https://21st.dev/@arihantcodes_1f7b8c4d/library/spectrum-ui)
- License: no-license
- Tags: Heatmap, Finance Chart, Data Visualization
- Live preview: https://21st.dev/@arihantcodes_1f7b8c4d/components/market-heatmap

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/arihantcodes_1f7b8c4d/market-heatmap?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/heatmap.md