Placing Options Orders Using The Underlying Stock Price In thinkorswim John May 12, 2020 14:05 Updated Click on this link to watch a video on how to place option orders based on the underlying market (e.g. stock) in TOS Related articles How do I get started at Base Camp Trading? Navigating the Member Area How does Gary set up the charts he uses in his trading room? Why does my thinkorswim chart look compressed after adding an indicator? Where are Base Camp Trading's Offices Located? Comments 0 comments Article is closed for comments.