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The Nasdaq Stock Market is an American stock exchange based in New York City. It is the most active stock trading venue in the US by volume, and ranked second on the list of stock exchanges by market capitalization of shares traded, behind the New York Stock Exchange. The exchange platform is owned by Nasdaq, Inc., which also owns the Nasdaq Nordic stock market network and several U.S.-based stock and options exchanges.
The New York Stock Exchange is an American stock exchange in the Financial District of Lower Manhattan in New York City. It is the largest stock exchange in the world by market capitalization.
An electronic communication network (ECN) is a type of computerized forum or network that facilitates the trading of financial products outside traditional stock exchanges. An ECN is generally an electronic system that widely disseminates orders entered by market makers to third parties and permits the orders to be executed against in whole or in part. The primary products that are traded on ECNs are stocks and currencies. ECNs are generally passive computer-driven networks that internally match limit orders and charge a very small per share transaction fee.
The OTC (Over-The-Counter) Bulletin Board or OTCBB was a United States quotation medium operated by the Financial Industry Regulatory Authority (FINRA) for its subscribing members. FINRA closed the OTCBB on November 8, 2021.
In finance, market data is price and other related data for a financial instrument reported by a trading venue such as a stock exchange. Market data allows traders and investors to know the latest price and see historical trends for instruments such as equities, fixed-income products, derivatives, and currencies.
NYSE Euronext, Inc. was a transatlantic multinational financial services corporation that operated multiple securities exchanges, including the New York Stock Exchange, Euronext and NYSE Arca. NYSE merged with Archipelago Holdings on March 7, 2006, forming NYSE Group, Inc. On April 4, 2007, NYSE Group, Inc. merged with Euronext N.V. to form the first global equities exchange, with its headquarters in Lower Manhattan. The corporation was then acquired by Intercontinental Exchange, which subsequently spun off Euronext.
Intercontinental Exchange, Inc. (ICE) is an American company formed in 2000 that operates global financial exchanges and clearing houses and provides mortgage technology, data and listing services. Listed on the Fortune 500, S&P 500, and Russell 1000, the company owns exchanges for financial and commodity markets, and operates 12 regulated exchanges and marketplaces. This includes ICE futures exchanges in the United States, Canada and Europe, the Liffe futures exchanges in Europe, the New York Stock Exchange, equity options exchanges and OTC energy, credit and equity markets.
Regulation National Market System is a 2005 US financial regulation promulgated and described by the Securities and Exchange Commission (SEC) as "a series of initiatives designed to modernize and strengthen the National Market System for equity securities". The Reg NMS is intended to assure that investors receive the best (NBBO) price executions for their orders by encouraging competition in the marketplace. Some contend that the rule has contributed to the rise of high-frequency trading, which is sometimes regarded as controversial.
The Securities Industry Automation Corporation (SIAC) is a subsidiary of the NYSE Euronext. Its purpose is to provide technical services for the exchanges themselves, members and other financial institutions. In this role, SIAC provides the computers and other systems required to run the exchanges. It also owns communication lines and hardware to provide real-time quotes and transaction information to all market participants from the Consolidated Tape/Ticker System (CTS), Consolidated Quotation System (CQS), and Options Price Reporting Authority (OPRA).
The Financial Industry Regulatory Authority (FINRA) is a private American corporation that acts as a self-regulatory organization (SRO) that regulates member brokerage firms and exchange markets. FINRA is the successor to the National Association of Securities Dealers, Inc. (NASD) as well as the member regulation, enforcement, and arbitration operations of the New York Stock Exchange. The U.S. government agency that acts as the ultimate regulator of the U.S. securities industry, including FINRA, is the U.S. Securities and Exchange Commission (SEC).
A national market system plan is a structured method of transmitting securities transactions in real-time. In the United States, national market systems are governed by section 11A of the Securities Exchange Act of 1934.
The Consolidated Tape Association (CTA) oversees the Securities Information Processor that disseminates real-time trade and quote information in New York Stock Exchange (NYSE) and American Stock Exchange (AMEX) listed securities. It is currently chaired by Emily Kasparov of the Chicago Stock Exchange, the first woman and the youngest chair elected to the position.
The Consolidated Tape System (CTS) is the electronic service, introduced in April 1976, that provides last sale and trade data for issues admitted to dealings on the American Stock Exchange, New York Stock Exchange, and U.S. regional stock exchanges.
The Options Price Reporting Authority (OPRA) oversees the Securities Information Processor (SIP) that provides last sale information and current options quotations from a committee of participant exchanges. In turn, this committee is designated as the Options Price Reporting Authority.
The National Market System (NMS) is a regulatory mechanism that governs the operations of securities trading in the United States. Its primary focus is ensuring transparency and full disclosure regarding stock price quotations and trade executions. It was initiated in 1975, when, in the Securities Acts Amendments of 1975, Congress directed the Securities and Exchange Commission (SEC) to use its authority to facilitate the establishment of a national market system. The system has been updated periodically, for example with the Regulation NMS in 2005 which took into account technological innovations and other market changes.
A trading halt occurs in the U.S. when a stock exchange stops trading on a specific security for a certain time period. The halt, which can happen a few times a day per security if FINRA deems it, usually lasts for one hour, but is not limited to that. Trading halts can happen any time of day. The listed company is supposed to call the exchange where it is listed, 10 minutes prior to any material news that they are releasing, in order for the exchange to halt the stock before the news is released. The first 5 minutes of a halt is for "news pending" before any information is released that could affect a stock significantly, also known as the "5 minute window".
The Market Identifier Code (MIC) is a unique identification code used to identify securities trading exchanges, regulated and non-regulated trading markets. The MIC is a four alphanumeric character code, and is defined in ISO 10383 by the International Organization for Standardization (ISO). For example, the US NASDAQ market is identified by MIC code XNAS.
Securities market participants in the United States include corporations and governments issuing securities, persons and corporations buying and selling a security, the broker-dealers and exchanges which facilitate such trading, banks which safe keep assets, and regulators who monitor the markets' activities. Investors buy and sell through broker-dealers and have their assets retained by either their executing broker-dealer, a custodian bank or a prime broker. These transactions take place in the environment of equity and equity options exchanges, regulated by the U.S. Securities and Exchange Commission (SEC), or derivative exchanges, regulated by the Commodity Futures Trading Commission (CFTC). For transactions involving stocks and bonds, transfer agents assure that the ownership in each transaction is properly assigned to and held on behalf of each investor.
Unlisted Trading Privileges (UTP) oversees the Securities Information Processor for securities listed on Nasdaq and other securities that do not meet the requirements for listing on an exchange.
A securities information processor (SIP) is a part of the infrastructure of public market data providers in the United States that process, consolidate, and disseminate quotes and trade data from different US securities exchanges and market centers. An important purpose of the SIPs for US securities is to publish the prevailing National Best Bid Offer (NBBO).
References
- ↑ New York Stock Exchange. "CTA". NYSE Stock Data Portal. Retrieved August 1, 2007.
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