Does the "Last Size Extra Decimal" setting apply in Client Portal (CP)?

There is no direct configuration option for "Last Size Extra Decimal" within Client Portal at this time. However, Client Portal does read and apply the setting you have configured in Trader Workstation, IBKR Desktop, or IBKR Mobile. Your Last Size values in Client Portal will be formatted according to the decimal setting you have established on another platform.

Additional Information

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Where can I configure the "Last Size Extra Decimal" setting?
Where in the settings can I find the "Last Size Extra Decimal" option?
How do I turn off decimal formatting and return to integer display?
What is the “Last Size Extra Decimal” ON/OFF toggle in Client Portal, and what does it do?