Heatstrike

Select a ticker and choose calls or puts. Heatstrike lays out strikes against expirations as a heatmap. Change the color or size based on a metric (volume, open interest, spread, price, or the Greeks), then click a cell to open its Nasdaq contract page.

Search any ticker from the OCC. Supports a watchlist for favorites, and shows popular tickers from Reddit activity.

Built as a React SPA with Vite, visx, AWS Lambda, and DynamoDB.