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Market Data Platform

U.S. options and stocks data through one API-key workflow.

Start with a free key, inspect the docs, then add live access, quote history, or commercial rights when each product workflow needs them.

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Platform

Start Here

Core pages for evaluating coverage, testing requests, and choosing a plan.

Data Catalog
Docs
Pricing
Tools

API Pages

Core Coverage

The main API pages for options, stocks, quotes, trades, Greeks, and historical data.

Stocks Data API
Historical Stock Data
Real-Time Stock Data
Stock Trades API
Stock Quotes API
Options Data API
Historical Options Data
Options Backtesting API
Real-Time Options Data
Options Chain API
Options Contracts API
Historical Quotes API
Options Greeks API
Expiration API
Python Examples

Workflows

Product

Pages for provider comparisons, expiration checks, and API evaluation.

Compare Providers
Coming Soon
Evaluation Framework
Expiration Workflow
Options Q&A
Expiring Stock Options 2026
TSLA Weekly Expirations
ETF Options API
SPY Options API
QQQ Options API
IWM Options API
TLT Options API
Best Options Data APIs
Endpoint Coverage
API Cost Calculator
Vendor Checklist

Free Tools

Utilities

Interactive pages for inspecting options mechanics before writing code.

Greeks Calculator
OCC Decoder
IV Skew Explorer
Unusual Options Activity
Backtest Realism Checker
Slippage Calculator
Liquidity Scanner
Put/Call Dashboard
Chain Visualizer
Expiration Calendar

Company

Trust

Company, support, legal, and status pages for due diligence.

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