Securities Industry Essentials (SIE) ExamKnowledge of Capital MarketsEasy

A broker-dealer firm acts as an agent in a transaction. This means the firm is:

  1. ABuying or selling securities for its own account.
  2. BFacilitating a transaction between a buyer and a seller.
  3. CTaking on the risk of the securities inventory.
  4. DMaking a profit from the bid-ask spread.
Show answer & explanation

Correct answer: B. Facilitating a transaction between a buyer and a seller.

When a broker-dealer acts as an agent, it executes trades on behalf of its clients, connecting buyers and sellers without taking ownership of the securities. For this service, the firm earns a commission.

Why the other options are wrong

  • A. This describes acting as a principal (dealer).
  • C. This describes acting as a principal (dealer) or market maker.
  • D. This describes acting as a market maker (type of dealer).

Broker vs. Dealer

A broker acts as an agent, executing trades on behalf of clients and earning commissions. A dealer acts as a principal, trading from its own inventory and earning a markup/markdown or spread.

  • Broker = Agent = Commission.
  • Dealer = Principal = Markup/Markdown or Spread.
  • Some firms act as both (broker-dealers).

Memory trick: Agent is 'A'lways 'A'ssisting the client, not owning.

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