Transaction Costs
Costs incurred when buying or selling securities. These include brokers' commissions and spreads (the difference between the price the dealer paid for a security and the price they can sell it).
Investopedia Commentary
This is what a broker or bank makes for being the middleman in a transaction.
Related Links
Brokers and Online Trading
See also: All-In Cost, Commission, Discount Broker, Slippage, Transaction, Transaction Exposure
transaction costs