TerminalValue.io_
>>manually approved · 474 tools indexed·since 2026
index / Twelve Data vs Unusual Whales

>_ Twelve Data vs Unusual Whales

Twelve Data and Unusual Whales, side-by-side. Compare the facts below, then pick the one that fits your workflow.

Twelve Data
Unusual Whales
one-liner
Provides REST API and WebSocket access to real-time and historical market data for stocks, forex, crypto, ETFs, commodities, and fundamentals across 250+ exchanges.
Tracks real-time options flow, dark pool activity, congressional trading, Greek exposure, and unusual stock market data via web platform and API with 100+ endpoints.
best for
developers building trading systems, fintech products, or conducting financial research requiring programmatic access to global multi-asset market data.
retail traders spotting unusual options activity and institutional moves
key feature
700M+ API requests/day supporting 80,000+ financial instruments globally
real-time options flow tracking with dark pool and congressional trading data
who uses it
—
Retail
asset class
Multi-asset
Equities
function
Data & APIs
Data & APIs, Alt Data
strategies
Quant / Systematic, Technical Analysis, Fundamental Analysis
Options Trading, Event-Driven / Special Situations, Momentum Trading, Day Trading
workflow
Research, Monitoring
Idea Generation, Research, Monitoring
instruments
Stocks, ETFs, Mutual Funds, Futures, Bonds
Stocks, Options
regions
Global
North America
pricing
FREE-$$$
FREE-CALL
plans
Free $0
Free delayed data, limited flow · Retail Basic (Dashboard & Tools) $50/mo or $504/yr · Retail Pro (Dashboard & Tools) $75/mo or $756/yr · Retail Max (Dashboard & Tools) $120/mo or $1,224/yr · Whale Bundle (Dashboard + API + Predictions) ~30% discount vs separate
free tier
yes
yes
model
freemium
freemium
via
api, web
web, mobile, mcp, api
audience
—
retail
upvotes
0
0

Twelve Data vs Unusual Whales: key differences

  • Twelve Data covers Multi-asset; Unusual Whales covers Equities.
  • Only Unusual Whales is available via mobile, mcp.
  • Unusual Whales also covers idea generation in the workflow.
  • Unusual Whales lists Retail users; Twelve Data does not.
  • Twelve Data is tagged for quant / systematic, technical analysis, fundamental analysis.
  • Unusual Whales is tagged for options trading, event-driven / special situations, momentum trading, day trading.

about Twelve Data

provides REST API and WebSocket access to real-time and historical market data for stocks, forex, crypto, ETFs, commodities, and fundamentals across 250+ exchanges. handles 700M+ API requests per day covering 80,000+ financial instruments globally. offers SDKs for popular languages and supports integration in as little as 5 minutes.

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.

Twelve Data
Provides REST API and WebSocket access to real-time and historical market data for stocks, forex, crypto, ETFs, commodities, and fundamentals across 250+ exchanges.
[↗] visit twelvedata.com
Unusual Whales
Tracks real-time options flow, dark pool activity, congressional trading, Greek exposure, and unusual stock market data via web platform and API with 100+ endpoints.
[↗] visit unusualwhales.com

See full data, pricing and alternatives on the Twelve Data profile page, or the Unusual Whales profile page.

[more Twelve Data alternatives][more Unusual Whales alternatives][← back to index]