How do you calculate margin on N225 futures?

Generally, interest is charged and/or credited to the account in the currency of the respective cash balance.

Find out more on the interest and margin…

There is no difference in trading commissions in between cash accounts and margin accounts.

More information on trading commissions and interest paid on idle cash balances and charged on margin loans…

You can find the FINRA Margin Disclosure Statement on the FINRA website.

Additional Information…

You can find the Disclosure of Risks for Margin Trading on the Disclosures page of the IBKR website…