Unusual Whales
Third-party
Options flow, dark pool prints and congressional trades
Your settings
About
Unusual Whales publishes real-time options flow across the whole U.S. options market, dark pool trades, congressional and insider trades, daily open interest, spot gamma exposure and market-wide gauges such as Market Tide, with two years of history. It shows how traders are positioned in a stock, which no filing records.
You need an Unusual Whales API plan. API Basic costs $150 a month after a 7-day free trial and allows 40,000 requests a day; API Advanced, $375 a month, has no daily cap. Copy your token from the API page of your Unusual Whales dashboard, then click Add and paste it. It is encrypted before it is stored and never shown again.
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Frequently asked questions
- What is a Connector?
- A Connector is a remote MCP server that a third party runs and Marvin Labs knows how to reach. Marvin Labs supplies the endpoint and the setup; you bring your own Unusual Whales account. Once added, AI Analyst Chat and Deep Research Agents call its tools when a question needs them, and the answer shows which tool was called and what it returned.
- Does the Unusual Whales Connector require authentication?
- Yes. Unusual Whales issues an API token for your account, which you enter when adding the Connector. It is encrypted before it is stored and never shown again.
- Does Unusual Whales change how financial data is sourced?
- No. When a question can be answered from the filings, earnings calls, and press releases Marvin Labs ingests through Automated Data Import, it answers from those. Unusual Whales is used only when a question needs data those documents do not carry, and the answer attributes that output to it.
- Where is Unusual Whales available?
- In both AI Analyst Chat and Deep Research Agents. Its tools stay out of the model's context until a request needs one, so an unused Connector takes up no context window.