VSTAR provides several calculation types of the required margin according to different trading instruments. You can view examples of the calculation methods of margin through " Calculator " in the product details. The margin calculation formula of each trading product is different. The specific
calculation is as follows:
1) Forex
Margin calculations for foreign exchange use the following formula:
Margin Requirement = Lots (Units) x Contract Size / Leverage (The Lot is the contract size of the trading instrument. FX pairs contract size is set to 100000).
Sell 1 lot EURUSD, this means that you are Selling 100,000 EUR against an equivalent number of USD. You are paying in EUR and buying in USD, your margin requirement will be calculated solely in USD, your main account currency.
1lot =100,000, leverage 1:100
Base Currency/Account (Quote) Currency = EUR/USD = 1.01700
Based on rates at the time of this writing, the current conversion price for this pair is 1.01700. If you were Selling one standard lots—or 100,000 units—at the standard 100x margin, you would need $1017.00 USD in your account to open this position.
| Lots | Applicable Margin Requirement | Margin Calculations | Margin |
| 1 | 1% or 1:100 |
1 (Lots) * 100,000(Contract Size) * 1% OR |
1000 EURO |
Convert EUR to USD
1000 EUR * 1.01700 = 1017.00 USD
Normally, the Account margin is the same as the base currency of the trading symbol. If the trading currency is not the same as the base currency, the margin will convert the base current into usd amount.
2) Contract for Difference（CFD）
Margin requirements for contracts for difference (CFDs) and stocks are calculated using the following formula:
Margin Requirement = Lot (Units) x Contract Size x markets price
Similarly, the Lot (unit )is the contract size of the trading instrument, usually is USD.
For example, buy 1 lot of oil, this means that you are buying 100 barrels of oil against an equivalent number of USD.
1lot =100 barrels, leverage 1:100
Based on rates at the time of this writing, the price is $80, After substituting the corresponding values into the formula, we get the following result:
1 x 100 x 80 = 800 USD
Thus, we get the required margin value in margin currency (USD) for this symbol
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