In this post, we would understand in detail how to use Gann square of 9 Calculator for intraday trading. There is an excel sheet attached with the post which would help you to calculate support and resistance levels based on Gann theory.
Summary. ThinkOrSwim is a trading platform provided by TD Ameritrade. The platform is free for Ameritrade customers and offers a wide range of features, including charts, level 2, scanners, watch lists, and more.