How to Clear the Cache in NinjaTrader 8 (NT8)

Clearing the NinjaTrader 8 cache can help resolve performance issues, especially those related to corrupted or outdated data. Follow the steps below to manually clear the cache.

Steps to Manually Clear the Cache

Step 1: Close NinjaTrader 8

• Ensure that NinjaTrader 8 is completely closed before starting this process.

Step 2: Locate the Cache Folder

• Open File Explorer.

• Navigate to the following directory:

  C:\Users\Administrator\Documents\NinjaTrader 8\db 

Step 3: Delete Cache Files

• Inside the db folder, locate and delete the following folders:

  • cache
  • tick
  • minute
  • day

These folders contain cached and historical data that NinjaTrader 8 will automatically regenerate upon restart.

Step 4: Restart NinjaTrader 8

• Relaunch NinjaTrader 8.
• The platform will rebuild the necessary cache files as it runs.

Important Considerations

Performance Impact

• After clearing the cache, initial load times may be longer as NinjaTrader rebuilds its data.

Backup Your Data

• Back up any important settings, templates, or custom instruments.
• Use NinjaTrader’s built-in backup feature for safe and easy backups.

Regular Maintenance

• Periodically clearing your cache helps resolve performance issues, especially those related to corrupted or outdated data.

Additional Support

For more advanced troubleshooting or platform-specific issues, visit:

• NinjaTrader Support Center
• NinjaTrader Community Forum

Need Assistance?

Our support team is available 24/7. If you have any questions or run into issues, open a support ticket from your QuantVPS dashboard and we'll get back to you as quickly as possible.