The Trade Ticker control displays all market data trades for a given list of Orderbooks.
Columns
The Trade Ticker Control will show the following columns:
...
Aggr. This corresponds to the pointing arrow and will display the aggressive party.
Trade Ticker Settings
You can open the Trade Ticker Settings window by clicking on the Settings Icon 
cog wheel icon in the top right corner of the control.
This window allows you to specifiy what Orderbooks or Submarkets appear in the Trade Ticker.
Specific Instrument: You can add single instruments to the list with the Instrument input box.
Add SubmarketCustom List: Adding a Submarket will add all orderbooks for that given submarket at the current time. Any changes to the submarket will not be reflectedYou can add single instruments to a custom list.
Single Submarket. When you choose single submarket orderbooks will be added automatically when available.
Sounds
In the trade ticker settings the user can play a sound when a trade is executed on the market.
