To enable specific elements to the On Trajectory chart, access the Toggle Chart Elements feature located on the 3 dot menu:
  Opening this window will offer the following functionality that can be turned on/off on the chart:
  The Settings window can be found in top right corner of the website:
  Interface Options
Interface options allow you to customize and enable certain UI components of the website:
  Calculation Options
Calculation options allow you to customize and enable certain calculation options on the website:
  Centralized Tax Settings
Tax settings allow you to customize how taxes are to be calculated for your account: