Massive(Polygon) Market Data Skill

A CLI tool and JS client wrapper for the Massive(Polygon) financial data APIs. Covers stocks, crypto, forex, options, indices, futures, market status, news, and reference data.

CLI Usage

npx --yes massive <command> [options]

All commands output JSON to stdout. Use --help for a list of commands or <command> --help for command-specific options.

Stocks

See Stocks Commands Reference for full details on all stock commands and parameters.

Crypto

See Crypto Commands Reference for full details on all crypto commands and parameters.

Forex

See Forex Commands Reference for full details on all forex commands and parameters.

Options

See Options Commands Reference for full details on all options commands and parameters.

Indices

See Indices Commands Reference for full details on all indices commands and parameters.

Reference Data

See Reference Data Commands Reference for full details on all reference data commands and parameters.

Market

See Market Commands Reference for full details on all market commands and parameters.

News

See News Commands Reference for full details on all news commands and parameters.