So i am currently learning options trading. I use thinkOrswim currently for stock trading, and i am also using it for Options trading. I am trying to figure out what certain letters mean? Perhaps someone can point them out to me. I have a screenshot below. Any help is much appreciated! FYI - below is a sample screenshot of the FB [facebook ticker] option chain, with the letters i am trying to decipher. https://ibb.co/nCZ1h9
Those are exchange codes for the actual exchange that the bid/ask is sitting on. Go to Education tab / Learning Center and on the left click on Tools / Exchange codes for the complete list.
