You can transfer cash in a different currency to your Saxo account currency. Please note that it will be converted at the FX Spot rate, minus 1% conversion fee. Read more here: https://www.home.saxo/en-gb/rates-and-conditions/commissions-charges-and-margin-schedule/overview
Risk Warning: All trading carries risk. Products traded on margin carry a high risk of rapid loss and losses can exceed deposits on some products. Ensure you understand the risks.