The Margin Level for all currencies traded with SerSart Capital on the Spot Forex platform is 1% or $1000 per lot. One lot equals $100,000 USD. 
Trading currencies on margin lets the trader to increase his/hers buying power.

Example : If you have $5,000 cash in your margin account that allows 100:1 leverage, you could purchase up to $500,000 worth of currency-because you only have to post 1% of the purchase price as collateral. Another way of saying this is that you have $500,000 in buying power. 

Benefits of Margin 

More buying power makes it possible to increase the total return on investment with less cash outlay. Trading on margin magnifies your profits AND your losses. 

Example: With a US $5,000 balance in your margin account, you decide that the US Dollar (USD) is undervalued against the Swiss Franc (CHF). 
To execute this strategy, you must buy Dollars (simultaneously selling Francs), and then wait for the exchange rate to rise. 
The current Bid/Ask price for USD/CHF is 1.6322/1.6327 (meaning you can buy $1 US for 1.6327 Swiss Francs or sell $1 US for 1.6322) 
Your available leverage is 100:1 or 1%. Execute the trade, buying one lot: buying 100,000 US dollars and selling 163,270 Swiss Francs. 
At 100:1 leverage, your initial margin deposit for this trade is $1,000. Your account balance is now $4000. 

As you expected, USD/CHF rises to 1.6435/40. You can now sell $1 US for 1.6435 Francs or buy $1 US for 1.6440 Francs. Since you're long dollars (and are short francs), you must now sell dollars and buy back the francs to realize any profit. 

You close out the position, selling one lot (selling 100,000 US dollar and receiving 164,350 CHF) Since originally you sold (paid) 163,270 CHF, your profit is 1080 CHF. 

To calculate your P&L in terms of US Dollars, simply divide 1080 by the current USD/CHF rate of 1.6435. The profit on this trade is $657.13