How do I clear a small currency cash balance?

You may see discrepancies in Total Cash versus Cash in Base Currency after making a trade in a non-base currency. The reason for the discrepancy is that additional time is needed for settlement to allow trades executed in a non-base currency to convert to the base currency. In order to see your Settled Cash balance, you will need to add the Settled Cash column to your Account Window under the Market Value - Real FX Balance section…

Clients may send funds in a variety of accepted currencies. IBKR will not automatically convert funds received to your base currency. The cash balances will display in your base currency and you can view your actual cash balances within the Account window of your trading platform or the Cash Report section of your Activity Statement. …

Interactive Brokers (IBKR) has a specific process for handling small non-base currency balances in your account. Here is a comprehensive overview:

• Automatic Conversion:
  • IBKR automatically converts nominal balances of non-base currencies…

Residual cash balances in non-base currencies will be converted automatically to the base currency of the account after 2 business days at no cost to clients. Nominal FX balances are defined as those less than 5.00 USD or the equivalent. Such residual non-base balances are regularly swept the night after settlement. Usually the cash settles T+2 trade date plus 2 business days after a FX conversion trade or after a closing stock trade. A non-base residual cash less than 5.00 USD will be swept into the account's Base Currency as long as no other unsettled activity remains like an accrued interest payable or receivable in that currency. Note that balances which are accrued but not yet posted, such as interest debits and credits, are not subject to being swept while in an accrual state but can be swept back to the Base Currency the day after being posted to the account's cash balance…