The Players
Exchange Basics
Market Participants
Order Types
Mechanics
100

This primary federal agency oversees the U.S. securities markets and enforces federal securities laws.

The Securities and Exchange Commission.  

100

This is the oldest stock exchange in the country, formed in 1792.

What is the Philadelphia Stock Exchange?

100

These individuals or firms execute buy and sell orders on behalf of clients or for their own proprietary accounts.

Who are broker dealers?

100

This is an order to buy or sell a security immediately at the best available current price.

What is a Market Order?

100

This is the practice of using powerful computers to transact a large number of orders at extremely high speeds, often capitalizing on tiny price discrepancies.

What is High Frequency Trading?

200

This self-regulatory organization (SRO) is the largest independent regulator for all securities firms doing business in the United States.

FINRA

200

This national securities exchange began as an electronic screen-based market and is known for listing major technology and growth companies.

What is Nasdaq?

200

This is a market participant who stands ready to buy or sell a specific security at their quoted prices in order to maintain liquidity in the market.

What is a Market Maker?

200

This is an order to buy or sell a security only at a specific price or better.

What is a Limit Order?

200

This is the term for when trading is stopped in a certain stock.

What is a halt?

300

This FINRA rule requires broker-dealers to use reasonable diligence to ascertain the best market for the subject security and buy or sell in that market so that the resultant price to the customer is as favorable as possible

Best Execution

300

This term refers to the initial sale of stock to the public by a company.

What is an Initial Public Offering?

300

These are private trading venues that allow institutional investors to buy or sell large blocks of securities without publicly displaying their orders before execution.

What are dark pools or ATS’s?

300

This is the practice where retail brokers send customer orders to third-party high-frequency trading firms in exchange for monetary compensation.

What is Payment for Order Flow?

300

This is the acronym for the consolidated real-time database that tracks every single quote, order, and trade lifecycle across all U.S. equity markets to enhance regulatory oversight.

What is CAT?

400

Execution venues that are not exchanges.

What are Alternative Trading Systems?

400

This type of security is similar to a mutual fund but is traded on an exchange.

What is an Exchange Traded Fund?

400

These financial firms manage huge sums of money but are not registered broker dealers?

What are hedge funds?

400

This is the standard minimum increment for quoting most stocks priced at $1 or more, as outlined under SEC rules.

What is a penny?

400

This core mechanism continuously updates and displays the highest bid price and lowest ask price for a security across all public U.S. stock exchanges.

What is the National Best Bid or Offer?

500

This is where over the counter trades are reported.

What are Trade Reporting Facilities?

500

This is the exchange that Professor DeMaio traded at?

What is the American Stock Exchange?

500

These financial firms receive orders from retail customers.

What are Introducing Brokers?  

500

This is the rule that requires Market Makers to display and honor a certain size transaction?

What is the Firm Quote Rule?

500

This is a method of improving execution quality that is not available in options. 

What is an auction mechanism?