Ib Option Chain

You get calls and puts with all the expected fields: strikes, bid/ask spreads, volume, open interest, and implied volatility. It's built for when you need actual IBKR data instead of a third-party feed, which matters if you're trading through IB and want to see exactly what your broker sees. The two-step flow is a bit clunky (fetch expiries first, then the chain), but that's how IB's API works. Outputs clean JSON that includes the underlying price for reference. Requires your local IB gateway running, so this isn't pulling data from the cloud.