(No Dealing Desk) which means that traders orders are forwarded to the interbank market without being processed by the dealing desk.Alsotrades are forwarded directly to liquidity providers whiletrades form inner liquidity between the members of the electronic network.
The key difference between these two types of accounts is thecommission. OnECNaccounts traders are charged a fixed commission for opening and closing trades and spreads depend on the prices of liquidity providers. OnSTPaccounts no commission is charged but the FXOpen mark-up is added to the spread of liquidity providers.
The additional differences are listed in the table: