massive-api

SKILL.md

Massive(Massive) Market Data Skill

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

CLI Usage

npx -y massive-cli <command> [options]

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

Command Structure

Commands are organized by asset class with subcommands:

Stocks

npx -y massive-cli stocks <subcommand> [options]

Available subcommands:

  • aggs - Stock aggregate bars (OHLCV)
  • trades - Stock trades
  • quotes - Stock quotes (NBBO)
  • snapshot - Stock ticker snapshot
  • open-close - Stock daily open/close
  • previous - Stock previous day aggregates
  • grouped - Stock grouped daily aggregates
  • sma - Simple Moving Average
  • ema - Exponential Moving Average
  • rsi - Relative Strength Index
  • macd - Moving Average Convergence/Divergence
  • last-trade - Last stock trade
  • last-quote - Last stock quote

See Stocks Commands Reference for full details.

Crypto

npx -y massive-cli crypto <subcommand> [options]

Available subcommands:

  • aggs - Crypto aggregate bars
  • trades - Crypto trades
  • snapshot - Crypto ticker snapshot
  • snapshot-direction - Crypto snapshot by direction (gainers/losers)
  • snapshot-tickers - Crypto snapshot for multiple tickers
  • open-close - Crypto daily open/close
  • previous - Crypto previous day aggregates
  • grouped - Crypto grouped daily aggregates
  • sma - Simple Moving Average
  • ema - Exponential Moving Average
  • rsi - Relative Strength Index
  • macd - Moving Average Convergence/Divergence
  • last-trade - Last crypto trade

See Crypto Commands Reference for full details.

Forex

npx -y massive-cli forex <subcommand> [options]

Available subcommands:

  • aggs - Forex aggregate bars
  • quotes - Forex quotes
  • snapshot - Forex ticker snapshot
  • previous - Forex previous day aggregates
  • grouped - Forex grouped daily aggregates
  • sma - Simple Moving Average
  • ema - Exponential Moving Average
  • rsi - Relative Strength Index
  • macd - Moving Average Convergence/Divergence
  • last-quote - Last forex quote

Standalone commands:

  • currency-conversion - Currency conversion

See Forex Commands Reference for full details.

Options

npx -y massive-cli options <subcommand> [options]

Available subcommands:

  • aggs - Options aggregate bars
  • trades - Options trades
  • quotes - Options quotes
  • open-close - Options daily open/close
  • chain - Options chain
  • contract - Options contract details
  • previous - Options previous day aggregates
  • sma - Simple Moving Average
  • ema - Exponential Moving Average
  • rsi - Relative Strength Index
  • macd - Moving Average Convergence/Divergence
  • last-trade - Last options trade

See Options Commands Reference for full details.

Indices

npx -y massive-cli indices <subcommand> [options]

Available subcommands:

  • aggs - Indices aggregate bars
  • open-close - Indices daily open/close
  • snapshot - Indices ticker snapshot
  • previous - Indices previous day aggregates
  • sma - Simple Moving Average
  • ema - Exponential Moving Average
  • rsi - Relative Strength Index
  • macd - Moving Average Convergence/Divergence

See Indices Commands Reference for full details.

Reference Data

Standalone commands for reference data:

  • tickers - Query all ticker symbols
  • ticker-details - Get ticker details
  • ticker-types - Get ticker types mapping
  • exchanges - List all exchanges
  • conditions - List all conditions
  • dividends - Get dividend data
  • stock-splits - Get stock splits data
  • financials - Get financial data
  • ipos - Get IPO data
  • related-companies - Get related companies

See Reference Data Commands Reference for full details.

Market

Standalone commands for market data:

  • market-status - Get market status
  • market-holidays - Get market holidays

See Market Commands Reference for full details.

News

Standalone command for news:

  • news - Get news articles

See News Commands Reference for full details.

Weekly Installs
9
GitHub Stars
2
First Seen
Feb 17, 2026
Installed on
github-copilot8
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amp7