Transactions by stock brokers in the US and UK
In the US: When acting as an agent, the stockbroker typically charges the client a flat fee and/or a percentage-based commission for undertaking the trade, and the price quoted the client must be the best price available in the market. When acting as a principal, the trade could be with another market participant or one of the stockbroker's clients. When trading in a principal capacity with a client, the broker informs the client and charges the client a markup or markdown from the prevailing market price.
In the UK: When acting as an agent, the stockbroker charges the client a flat fee and/or a percentage-based commission for undertaking the trade, and the price quoted the client must be the best price available in the market. When acting as a principal, the trade could be with another market participant or one of the stockbroker's clients. When trading in a principal capacity with a client, the broker is obliged to inform the client and no commission is charged.
In the UK: When acting as an agent, the stockbroker charges the client a flat fee and/or a percentage-based commission for undertaking the trade, and the price quoted the client must be the best price available in the market. When acting as a principal, the trade could be with another market participant or one of the stockbroker's clients. When trading in a principal capacity with a client, the broker is obliged to inform the client and no commission is charged.
