brokerage
n. uncountable C1 Advanced US //ˈbɹoʊkɝɪdʒ// UK //bɹˈəʊkɹɪdʒ// bro·ker·age
n. the fee you pay to a company for helping you buy or sell something, like stocks or property.
n. a commission or fee charged by an agent or intermediary for facilitating a transaction, particularly in finance or real estate.
The bank charged a small brokerage fee.
She paid a 2% brokerage fee to the agent for selling her house.
The high brokerage costs associated with frequent trading can significantly erode an investor's long-term returns.
From broker + -age.