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