>_ AltSignal vs Unusual Whales
AltSignal and Unusual Whales, side-by-side. Compare the facts below, then pick the one that fits your workflow.
AltSignal vs Unusual Whales: key differences
- Unusual Whales has a free tier; AltSignal is $ (from Starter $3.99/week).
- Only Unusual Whales is available via mobile, mcp, api.
- Unusual Whales also covers idea generation in the workflow.
- AltSignal is tagged for fundamental analysis, quant / systematic.
- Unusual Whales is tagged for options trading, momentum trading, day trading.
about AltSignal
altsignal aggregates 2000+ alternative data signals—satellite imagery, hiring velocity, web traffic, insider chatter, app store rankings, social sentiment, github activity, job postings, and others—for user-selected stock watchlists. delivers signals via text and email alerts as new data arrives.
about Unusual Whales
tracks real-time options flow, dark pool activity, congressional trading, market maker gamma exposure, and unusual stock market data via web platform, mobile app, and api. provides 100+ api endpoints covering options flow, greek exposure, volatility, and more; data accessible via rest, websocket, kafka, or mcp. covers 11,000+ tickers with over 1 billion data points, supporting retail and institutional investors building custom dashboards, bots, and backtests.
See full data, pricing and alternatives on the AltSignal profile page, or the Unusual Whales profile page.