Your deposit's held in a separate collateral account. (lowestrates.ca)
If you do not have the full security deposit amount, but you do have at least $ 300 in your funding account, you agree that Wells Fargo can immediately transfer $ 300 to your Secured Card Collateral Account. (wellsfargo.com)
The trading parties have deposited money into collateral accounts that are controlled by the clearinghouse, and the clearinghouse will move money from one account to another to reflect the daily price change of a futures contract. (investing-tools.com)