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Get 50% off your first year on all API plans!

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50% off for the first year

Institutional Option Data
For Serious Traders

U.S. stock option trades data with real-time streaming and historical SQL access. Complete Greeks included. Built for quants, traders, and developers.

14-day free trial
No credit card required
30-day money-back
Live
7M+
records streaming today
7M+
Daily Records
30+
Data Fields
99.9%
Uptime
OPRA
Compliant

Works with your favorite languages

Everything you need for options data analysis

Comprehensive APIs designed for professional trading applications.

Real-time Option Data API

WebSocket streaming of U.S. option trades with 30+ data fields including Greeks, sentiment analysis, and advanced filtering.

  • WebSocket at wss://ws.optiondata.io
  • Up to 7M records/day (RAW mode)
  • Sentiment analysis included
  • 14-day free trial
Explore Real-time API

Historical Option Data API

Direct SQL access to historical option trades via ClickHouse. Run custom analytical queries on complete trade data.

  • ClickHouse SQL queries
  • Data from Feb 2025+
  • 15-min delayed (OPRA)
  • No rate limits on queries
Explore Historical API

Complete Greeks

Delta, Gamma, Theta, Vega, Rho, and Implied Volatility calculated for every option trade.

Advanced Filtering

Filter by symbol, premium, sentiment, delta, moneyness, expiry, strike, OI, IV, and more.

JSON Output

All data returned in clean JSON format for easy parsing and integration.

Aggregation Modes

Choose AGGREGATED mode for consolidated trades or RAW mode for original records.

Developer-first API design

Clean, intuitive APIs with SDKs for popular languages. Get up and running in minutes.

  • WebSocket & REST APIs
    Real-time streaming or request-response
  • Multi-language SDKs
    Python, JavaScript, Go, and more
  • Direct SQL Access
    ClickHouse for complex analytical queries
realtime.ts
import WebSocket from 'ws';

const ws = new WebSocket(
  'wss://ws.optiondata.io?token=YOUR_API_KEY'
);

ws.on('message', (data) => {
  const trade = JSON.parse(data);
  console.log(
    trade.symbol,
    trade.delta,
    trade.sentiment
  );
});
query.sql
SELECT
  symbol,
  SUM(size * price * 100) AS total_premium,
  COUNT(*) AS trade_count
FROM RawOptionTrades
WHERE
  date = '2025-01-15'
  AND symbol = 'AAPL'
GROUP BY symbol
ORDER BY total_premium DESC
LIMIT 10;

Query historical data with SQL

Run custom SQL queries directly against our ClickHouse database. Perfect for backtesting and analytics.

  • Standard SQL Syntax
    Familiar SELECT, WHERE, GROUP BY
  • ClickHouse Performance
    Blazing fast on millions of records
  • REST API Access
    POST SQL queries with your API key

Trusted by traders worldwide

See what our users are saying about OptionData.

“OptionData has transformed how we analyze option flow. The real-time Greeks and sentiment data give us an edge that was previously only available to institutional traders.”

M
Michael Chen
Quantitative Trader @ Apex Capital

“The SQL access to historical data is a game-changer. I can run complex backtests directly on their ClickHouse database without downloading massive files.”

S
Sarah Williams
Data Scientist @ AlgoTrade Labs

“Clean API, excellent documentation, and responsive support. Integrated the WebSocket feed into our trading system in under a day.”

D
David Park
Lead Developer @ QuantFlow Systems

Simple, transparent pricing

Choose the API that fits your trading needs.

7-Day Free Trial

Historical Data API

Perfect for backtesting

50% OFF FIRST YEAR
$299149/month
* Contact sales for coupon code
  • 7-day free trial (extendable)
  • 30-day money-back guarantee
  • Direct SQL via ClickHouse
  • Data from Feb 2025+
  • 15-min delayed (OPRA)
  • 16 direct + 10 derived fields
  • Technical support included
Most Popular

Real-time Data API

For live trading

50% OFF FIRST YEAR
$599299/month
* Contact sales for coupon code
  • WebSocket streaming (wss://)
  • 30+ fields with Greeks & sentiment
  • AGGREGATED or RAW modes
  • 14-day free trial included
  • 30-day money-back guarantee

Need enterprise features or custom data feeds? Contact our sales team

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