Browse Market Structure

Dealer, Market-Making, and Trading Desk Roles

Market-structure terms for broker-dealers, dealers, designated market makers, market making, dealing desks, and trading floors.

Dealer, market-making, and trading desk pages explain principal trading roles and liquidity-supply functions.

Use this section for broker-dealers, dealers, designated market makers, dealing desks, market-making activity, trading desks, and trading floors.

In this section

  • Broker-Dealers and Market Makers
    Broker-dealer, dealer exchange, designated market maker, market maker, and stockjobber terms used in dealer markets.
  • Desks, Floors, and Discount Houses
    Dealing desk, trading desk, trading floor, and discount house terms used in market-intermediary operations.
    • Dealing Desk
      A detailed examination of how some brokers use a dealing desk to process orders internally, rather than routing them directly to the market.
    • Discount House
      A detailed overview of Discount Houses, their history, functioning, importance, and relevance in financial markets.
    • Trading Desk
      A comprehensive overview of trading desks, including their definition, primary functions, and the various types that exist within financial institutions.
    • Trading Floor
      The physical location where securities transactions are conducted
Revised on Monday, May 18, 2026