To calculate margin required to open a CFDs position, use the following formula:
Required Margin USD = Volume in USD ÷ Effective Leverage*
* Use the denominator of the Effective Leverage ratio, 1 : XXXX.
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To calculate the Volume in USD, use the following formula:
Forex: Lots x Contract size x Conversion Rate Base currency* to USD
Other: Lots x Contract size x Execution Price x [Conversion Rate of Base currency* to USD]
*in Deriv MT5, this is called “Margin Currency”. You'll be able to see Margin Currency in the instrument specification table in your trading terminal.