Marketcaper

Stock heatmap

Bubble stock heatmap

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Classic sector heatmap

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Stock list

US Top 100 Stocks

NVDA +0.4%
AAPL +1.4%
GOOGL +1.9%
GOOG +2.5%
MSFT -1.0%
AMZN +0.6%
TSM +3.5%
SPCX -1.7%
AVGO +3.4%
TSLA +6.3%
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Add Marketcaper to your home screen, Dock, Start menu, or desktop from your browser.

Stock heatmap guide

Free stock heatmap tool for market cap, sectors, volume, and performance

Use Marketcaper's stock heatmap to compare the top stocks across bubble, classic sector, category, and list views. The free stock market heatmap keeps the visual workflow first, while the notes below explain how market cap, volume, turnover, categories, and performance colors work.

Bubble view

Bubble heatmaps make the biggest stocks easy to scan at a glance. Market-cap mode follows price performance, while volume and turnover modes use their own percent-change signals.

Classic view

The classic sector heatmap groups stocks by category so you can compare sectors, drill into a single category, and see which companies are moving inside each market group.

List view

The list view gives the same stock universe in a sortable table for users who want exact symbols, prices, market caps, and percentage changes after scanning the visual heatmaps.

Metric guide

How bubble metrics work

Market cap / price

Bubble size and color use price-performance move.

Volume

Bubble size and color use volume % change versus the previous equal period.

Turnover

Bubble size and color use turnover % change versus the previous equal period. Turnover is price times volume.

FAQ

Questions about the stock heatmap

What does the stock heatmap show?

The Marketcaper stock heatmap shows the largest stocks as bubbles, sector tiles, and a sortable list using live market size, volume, turnover, and performance data.

How are bubble and classic heatmap sizes calculated?

Bubble market-cap mode uses price-performance moves, while Bubble volume and turnover modes use their own percent-change metrics. Classic view sizes sector tiles by the selected raw metric and colors them by price performance.

Can I view a single stock sector or category?

Yes. The heatmap supports category and sector drill-downs so you can focus on areas like Technology, Financial Services, Healthcare, Energy, or Communication Services.

Which heatmap view should I use?

Use bubble view for fast size and performance scans, classic view for sector/category structure, and list view when you need exact symbols, prices, market caps, and percentage changes.

Related Marketcaper tools

Compare stocks, ETFs, funds, GDP, and market hours

After scanning the stock heatmap, use Marketcaper's comparison tools to compare stocks by market cap, compare ETFs by AUM, compare funds by AUM, compare country GDP, or convert global stock exchange hours into your timezone.