Why are some of the values in IBKR Mobile shown in italics?

The term Base Currency is used for accounting purposes to refer to the currency in which an investor maintains its book of accounts. For purposes of an IBKR account, each client will specify at the point of application a single Base Currency which will determine the currency of translation for statements and the currency used for determining margin requirements. While the Base Currency selected will typically be the principal form of currency in which the client intends to hold cash and the denomination of instruments which the client trades, clients are eligible to hold cash balances and trade instruments denominated in either a Base or non-Base Currency. If the client elects to maintain a cash account then they are restricted to holding only long cash balances regardless of the currency of denomination. …

Once you close a security position which is denominated in a currency other than your Base Currency, the proceeds will remain in that non-Base Currency and subject to exchange rate risk until such time you either perform a currency conversion…

While you can change the currency in which positions are denominated in for statement reporting purposes through selection of a Base Currency, you cannot change the denomination for trading, clearing, settlement or profit/loss purposes. The currency in which a product is denominated for trading, clearing and settlement purposes is determined by the product specifications of the listing exchange and is not subject to election by IBKR or the client…

TWS offers a feature which will display position values and cash balances in your base currency. All position and P&L values shown in italics are recalculated from the local currency and displayed in your base currency. Please note that this will not change the denomination for trading, clearing, settlement or profit/loss purposes and is strictly informational…