Unusual Whales vs Cheddar Flow
Same real-time options flow, plus dark pool, congressional, insider, and 13F data — at a lower starting price with a full API.
The 30-second answer
Real-time unusual options activity, sweeps, blocks, and multi-leg detection with the customizable filter rules you came for.
Dark pool prints, congressional trades, insider Form 4 transactions, and 13F institutional flows are part of the same platform, not separate subscriptions.
REST and WebSocket APIs at every paid tier, plus Kafka streaming and an MCP integration for AI agents.
Feature comparison
Verified 2026-05-04. Comparison reflects publicly available information at the time of writing.
| Capability | Unusual Whales | Cheddar Flow |
|---|---|---|
| Real-time options flow alerts | ✓ Yes | ✓ Yes |
| Sweep, block, and multi-leg detection | ✓ Yes | ✓ Yes |
| Customizable filter rules | ✓ Yes | ✓ Yes |
| Email and Discord delivery | ✓ Yes | ✓ Yes |
| Coverage of 8,000+ tickers | ✓ Yes | ✓ Yes |
| Dark pool print feed | ✓ Yes | — |
| Congressional trade tracking | ✓ Yes | — |
| Insider Form 4 transactions | ✓ Yes | — |
| 13F institutional flow tracking | ✓ Yes | — |
| REST API | ✓ Yes | — |
| WebSocket streaming API | ✓ Yes | — |
| Kafka streaming (enterprise) | ✓ Yes | — |
| MCP integration for AI agents | ✓ Yes | — |
Why people switch from Cheddar Flow to Unusual Whales
More than just options flow
Cheddar Flow is options-only. Unusual Whales adds dark pool prints, congressional trades, insider transactions, and 13F institutional positioning to the same dashboard.
Built for automation
REST, WebSocket, Kafka, and MCP at every paid tier. Wire alerts directly into your bot, your spreadsheet, or your AI assistant.
AI-native
Plug Unusual Whales into Claude, ChatGPT, or Cursor through MCP and run natural-language analysis across the full dataset.
Lower starting price
Pro plans start well under Cheddar Flow's standard tier and include every dataset Unusual Whales offers.
Pricing
Verified 2026-05-04 from each vendor's public pricing page.
Frequently asked
Is Unusual Whales a real Cheddar Flow alternative?+
Yes. Every core options-flow capability Cheddar Flow offers — real-time sweeps, blocks, multi-leg detection, customizable filter rules, and alert delivery — is available in Unusual Whales, plus dark pool, congressional, insider, and 13F data Cheddar Flow does not include.
How do I migrate from Cheddar Flow?+
Recreate your filter rules in the Unusual Whales flow alerts page, point your Discord webhook or email at Unusual Whales, and you are done. Most users finish migration in well under an hour.
Does Unusual Whales have an API?+
Yes — REST, WebSocket, Kafka (enterprise), and MCP. Programmatic access is included on every paid tier.
Does Unusual Whales offer a free trial?+
Yes. Sign up at unusualwhales.com and get full feature access during the trial window.
Related guides
More comparisons
FlowAlgo
Real-time options unusual activity, plus dark pool, congressional, and insider data. Lower starting price, full programmatic API.
CBOE Trade Alert
CBOE Trade Alert is being sunset. Unusual Whales delivers the same real-time options unusual activity, every command pattern users relied on, plus dark pool, congressional, and insider data.
Market Chameleon
All the options analytics you came for, plus real-time flow alerts, dark pool prints, congressional trades, and a full API.
Ready to switch from Cheddar Flow?
Start a free trial and see the difference in minutes.