Definition: The term "interdealer" refers to a type of financial transaction where goods or services are traded between two parties who do not have direct dealings with each other. In this context, an interdealer is involved in the sale of goods and services from one party (the seller) to another (the buyer), often involving intermediaries like brokers, wholesalers, or retailers. For example, a car dealer might sell cars directly to customers through a network of dealerships, while a manufacturer might buy raw materials