Anygarden
Table of Contents
Trading
Market maker
— is a registered market participant or automated system that provides liquidity to the exchange by placing firm quotes (bids and asks) on the order book. Their primary purpose is to ensure the exchange has available pricing and deep order books so that regular users can execute trades competitively.
Broker-dealer
In the financial world, a broker-dealer is an individual or company that acts as both an agent and a principal in securities transactions. Their role changes depending on the specific trade they are executing.
The Dual Role
The term describes the two capacities in which these firms operate:
| Role | Acting As | Key Action | How They Make Money |
|---|---|---|---|
| Broker | Agent | Executes trades on behalf of clients (buying/selling for you). | Commissions or fees. |
| Dealer | Principal | Trades for its own account (buying/selling for the firm). | The Spread (difference between buy and sell price). |
Why Do They Matter?
Broker-dealers are the "market makers" and facilitators of the trading world. Without them, it would be incredibly difficult for a retail investor to find a buyer or seller for a specific stock at any given moment.
Core Functions:
- Market Liquidity: They provide a pool of shares to ensure trades happen quickly.
- Investment Advice: Many offer research and financial planning (though some are "discount" brokers that only execute trades).
- Underwriting: They help companies raise capital by selling new shares to the public (IPOs).
Regulation
Because they handle client money and influence market prices, they are heavily regulated. In the U.S., they must register with the SEC (Securities and Exchange Commission) and are typically members of FINRA (Financial Industry Regulatory Authority).