To help keep your NT8 platform from glitching and freezing, try the following steps to clear the platform database and cache.
From the CONNECTIONS tab, disconnect all data feed and account connections.
From the TOOLS tab, Choose the DATABASE MANAGEMENT option
Be sure the boxes next to HISTORICAL ORDERS and HISTORICAL EXECUTIONS are checked and click reset.
You will be asked to reset the database… Select: YES
Go to your Documents folder for NinjaTrader and locate the NinjaTrader 8 folder and double-click on it:
Go to the folder named DB and double-click on it (you are now in the NT8 cache files)
Select the following folders: TICK / MINUTE / DAY / CACHE – All of these folders need to be deleted. Select each folder then right-click and delete.
Once these steps have been completed, you’ll need to reboot your computer for the ‘clean up’ to take effect.
*For optimal platform performance, complete these steps prior to shutting down after each trading day.