What is the Option Liquidity Tool?

Use the Strategy Builder to easily build complex, multi-leg strategies using the option chain display. Create strategies manually using the calls/puts in Tab or List View. Create Horizontal, Vertical or Diagonal spreads using the Spread Builder layout. You can open Strategy Builder from the Advanced Options Tools section of the New Window dropdown, or by toggling on the Strategy Builder button at the bottom of the Option Chain window…

Although you cannot add a leg to an active order to make it a combo, you can build a combo in many different ways within TWS. The easiest way to create an option combo is by utilizing the Strategy Builder tool.

Mosaic:…

IBKR clients can add liquidity and interact with our retail order flow by direct-routing their US equity and index options orders to the IBUSOPT destination. Orders routed to IBUSOPT will be held at this liquidity-providing destination, and will be eligible to participate in an exchange auction to potentially fill against other SMART-routed marketable orders from IBKR clients…

Currently, the IBKR ATS only supports US Stock orders for stocks trading over USD 1.00. 

Find out more in the IBKR ATS order page. …