When you trade in the foreign exchange spot market (where trading happens immediately or on the spot), you are actually buying and selling two underlying currencies. All currencies are quoted in pairs, because each currency is valued in relation to another. For example, if the EUR/USD pair is quoted as 1.2200 that means it takes $1.22 to purchase one euro. 
For retail clients, leverages of up to 1:30 for currency pairs and 1:20 for indices are available. For professional clients, a maximum leverage of up to 1:500 is available for currency pairs, indices, energies and precious metals. Both retail and professional status come with their own unique benefits and trade-offs, so it's a good idea to investigate them fully before trading. Find out today if you're eligible for professional terms, so you can maximise your trading potential, and keep your leverage where you want it to be!