IB Option Chain

Fetch option chain data from Interactive Brokers for a specific expiration date.

Prerequisites

User must have TWS or IB Gateway running locally with API enabled:

• Paper trading: port 7497

• Live trading: port 7496

Instructions

First, get available expiration dates:

uv run python scripts/options.py SYMBOL --expiries

Then fetch the chain for a specific expiry:

uv run python scripts/options.py SYMBOL --expiry YYYYMMDD

Arguments

• SYMBOL

• Ticker symbol (e.g., AAPL, SPY, TSLA)

• --expiries

• List available expiration dates only

• --expiry YYYYMMDD

• Fetch chain for specific date (IB format: YYYYMMDD, no dashes)

• --port

• IB port (default: 7496 for live trading)

Output

Returns JSON with:

• calls

• Array of call options with strike, bid, ask, lastPrice, volume, openInterest, impliedVolatility

• puts

• Array of put options with same fields

• underlying_price

• Current stock price for reference

• source

• "ibkr"

Present data as a table. Highlight high volume strikes and notable IV levels.

Dependencies

• ib-async