CFDs are a leverage product and can involve a significant risk of loss. Trading CFDs may not be suitable for all, therefore you should ensure that you understand the risks involved and take into account your individual circumstances.
Trader's Glossary

What is Commission?

Trading on the cTrader platform :

$45 per $1million traded upon opening the position and also upon closing the position.

Trading on the MetaTrader 4 platform:

Forex: No commission. Equities: 0.10% only upon opening the position. Futures $10 per lot only upon opening the position.