When you trade Direct Market Access (DMA) CFDs, its a lot like trading traditional shares – you trade on the price and liquidity of the underlying exchange. There are a number of key differences however – Margin is one of these.
Margin
CFDs are traded on margin and there are two different forms of margin that may be payable when trading CFDs – Initial and Variation Margin.
Initial Margin
An Initial margin is a deposit used as collateral to open a CFD position. The margin is held to ensure you can meet your obligations. A margin rate is expressed as a percentage and is calculated based on the liquidity and volatility of the underlying security. Margin rates typically range between 5% – 50%.
The margin requirement of a CFD position is calculated using the “mark to market” concept. This means that the current value of your position is assessed during each trading day. The margin required is adjusted to reflect the current market value of the position as the price of the underlying security fluctuates.
Additional margin amounts will be payable should you fail to maintain the required margin on your position.
Calculating your Initial Margin
Quantity x Price= Full Face Value
1000 x $10 = $10,000
Full Face Value x Margin Percentage= Margin Required
$10,000 x 5% = $500
Your initial margin is $500
Variation Margin
In addition to the Initial Margin required to open and hold a CFD position, you may also need to have available an additional margin incurred by an adverse price movement in the market, this is known as Variation Margin. The Variation Margin is based on the intraday marked to market revaluation of a CFD position.
For example, if you have a long position and the price falls then you are required to pay a Variation Margin large enough to cover the adverse movement in the value of your position. On the other hand, if you have a short position and the price falls, you would receive a Variation Margin equal to the positive movement in the value of the position.






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