You can disable the Cross Collateral feature directly within ActiveTrader:

1. Log into your account via a web browser
2. Click the account name dropdown on the navigation bar at the top left of the screen, then click on “Edit accounts”
3. Select the account for which you want to change the settings
4. Use the toggle to disable “Cross Collateral”
5. Click Save to apply the settings

Alternatively, you can disable the Cross Collateral feature via the Manage accounts section of your Account Settings page.

1. Log into your account via a web browser
2. Click the “Account” button on the navigation bar at the top right of the screen and then “Settings”
3. On the left panel, select “Manage accounts”
4. Click on the gear icon next to the account name for which you want to change the settings and ensure that Negative Balances are disabled. If Negative Balances are not disabled, follow the steps here to disable Negative Balances first 
5. Use the toggle to disable “Cross Collateral”

Note: Your Margin Asset Value (MAV) without Cross Collateral needs to be at least equal to your Initial Margin in order to disable Cross Collateral