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index / IVolatility vs Twelve Data

>_ IVolatility vs Twelve Data

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

IVolatility
Twelve Data
one-liner
Provides institutional-grade historical and real-time options data via API, including implied volatility, Greeks, full chains, and volatility surfaces across 20+ years of equity and futures options markets.
Provides REST API and WebSocket access to real-time and historical market data for stocks, forex, crypto, ETFs, commodities, and fundamentals across 250+ exchanges.
best for
professional traders, quants, and analysts backtesting strategies and building risk/trading systems with deep options history
developers building trading systems, fintech products, or conducting financial research requiring programmatic access to global multi-asset market data.
key feature
20+ years of continuous derivatives history with 600+ quality filters
700M+ API requests/day supporting 80,000+ financial instruments globally
who uses it
Retail, RIA, Hedge Fund, Mutual Fund
—
asset class
Multi-asset
Multi-asset
function
Data & APIs
Data & APIs
strategies
Options Trading, Quant / Systematic, Technical Analysis
Quant / Systematic, Technical Analysis, Fundamental Analysis
workflow
Research, Valuation, Monitoring
Research, Monitoring
instruments
Options, Futures, Stocks, Bonds
Stocks, ETFs, Mutual Funds, Futures, Bonds
regions
Global
Global
pricing
$$-$$$$$
FREE-$$$
plans
Builder $99/mo · Quant $299/mo · Lab $499/mo · Real-time PRO API contact sales · Historical PRO API contact sales
Free $0
free tier
no
yes
model
subscription
freemium
via
web, api
api, web
audience
pro · hedge fund
—
upvotes
0
0

IVolatility vs Twelve Data: key differences

  • Twelve Data has a free tier; IVolatility is $$-$$$$$ (from Builder $99/mo).
  • IVolatility also covers valuation in the workflow.
  • IVolatility lists Retail, RIA, Hedge Fund, Mutual Fund users; Twelve Data does not.
  • IVolatility is tagged for options trading.
  • Twelve Data is tagged for fundamental analysis.

about IVolatility

institutional-grade historical and real-time options data covering 20+ years of equity and futures derivatives. delivers implied volatility, greeks, full chains, volatility surfaces, and earnings calendars via REST/websocket API. data processed through 600+ quality filters, with flexible integration via python, excel, snowflake, and FTP.

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.

IVolatility
Provides institutional-grade historical and real-time options data via API, including implied volatility, Greeks, full chains, and volatility surfaces across 20+ years of equity and futures options markets.
[↗] visit ivolatility.com
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

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

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