The total amount of cash in your account that may be withdrawn with restrictions on where the withdrawal can be sent. For security purposes, ACH deposits initiated by the client from the IBKR website are restricted from being sent anywhere other than to the originating bank/bank account for 40 business days. This withdrawal hold period is not applicable if the transfer is being sent back to the originating bank and bank account. Similarly, Canadian Electronic Funds Transfers initiated by the client from the IBKR website are restricted from being sent anywhere other than to the originating bank/bank account for 60 business days. This withdrawal hold period is not applicable if the funds are being sent back to the originating account, bank and deposit method.