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A stock symbol or ticker symbol is an abbreviation used to uniquely identify publicly traded shares of a particular stock on a particular stock market. A stock symbol may consist of letters, numbers or a combination of both. "Ticker symbol" refers to the symbols that were printed on the ticker tape of a ticker tape machine.
Interpreting the symbolEdit
Stock symbols are unique identifiers assigned to each security traded on a particular market. For example, AAPL is for Apple Inc.; OODH is for ORION DHC, Inc., and HD is for Home Depot, Inc. A stock symbol can consist of letters, numbers, or a combination of both and is a way to uniquely identify that stock. The symbols were kept as short as possible to reduce the number of characters that had to be printed on the ticker tape and to make it easy to recognize by traders and investors.
The allocation of symbols and formatting convention is specific to each stock exchange. In the US for example stock tickers are typically between 1 and 4 letters and represent the company name where possible. For example US based computer company stock Apple Inc. traded on the NASDAQ exchange has the symbol AAPL, while the motor company Ford's stock that is traded on the New York Stock Exchange has the single letter ticker F. In Europe most exchanges use three letter codes, for example Dutch consumer goods company Unilever traded on the Amsterdam Euronext exchange has the symbol UNA. While in Asia numbers are often used as stock tickers to avoid issues for international investors when using non Latin-scripts. For example the bank HSBC's stocks traded on the Hong Kong Stock Exchange have the ticker symbol 0005.
Symbols sometimes change to reflect mergers. Prior to the 1999 merger with Mobil Oil, Exxon used a phonetic spelling of the company "XON" as its ticker symbol. The symbol of the firm after the merger was "XOM". Symbols are sometimes reused, in the US the single letter symbols are particularly sought after as vanity symbols. For example since Mar 2008 Visa Inc. has used the symbol V that had previously been used by Vivendi which had delisted and given up the symbol. 
To fully qualify a stock, both the ticker and the exchange or country of listing needs to be known. On many systems both must be specified to uniquely identify the security. This is often done by appending the location or exchange code to the ticker for example, separated by a colon or dot.
|Location||Reuters ticker||Bloomberg ticker||Wikipedia|
|London Stock Exchange||VOD.L||VOD LN||LSE: VOD|
|Nasdaq||VOD.O||VOD UQ||NASDAQ: VOD|
|Stock Exchange of Singapore||VOD.SI||VOD SP||SGX: VOD|
Although stock tickers identify a security, they are exchange dependent, generally limited to stocks and can change. These limitation has led to the development of other codes in financial markets to identify securities for settlement purposes. The most prevalent of these is the International Securities Identifying Number (ISIN). An ISIN uniquely identifies a security and its structure is defined in ISO 6166. Securities for which ISINs are issued include bonds, commercial paper, stocks and warrants. The ISIN code is a 12-character alpha-numerical code that does not contain information characterizing financial instruments but serves for uniform identification of a security at trading and settlement.
The ISIN identifies the security, not the exchange (if any) on which it trades; it is therefore not a replacement for the ticker symbol. For instance, Daimler AG stock trades on twenty-two different stock exchanges worldwide, and is priced in five different currencies; it has the same ISIN on each (DE0007100000), though not the same ticker symbol. ISIN cannot specify a particular trade in this case, and another identifier, typically the three-letter exchange code, will have to be specified in addition to the ISIN.
Symbols by CountryEdit
In Canada the Toronto Stock Exchange TSX and the TSXV use the following special codes after the ticker symbol:
|A-B – class of shares||NO, NS, NT – notes||S – special U.S. terms|
|DB – debenture||P – Capital Pool Company||U, V – U.S. funds|
|E – equity dividend||PR – preferred||UN – units|
|H – NEX market||R – subscription receipts||W – when issued|
|IR – installment receipts||RT – rights||WT – warrants|
In the United Kingdom, prior to 1996, stock codes were known as EPICs, named after the London Stock Exchange's Exchange Price Information Computer (e.g.: "MKS" for Marks and Spencer). Following the introduction of the Sequence trading platform in 1996, EPICs were renamed Tradable Instrument Display Mnemonics (TIDM), but they are still widely referred to as EPICs. Stocks can also be identified using their SEDOL (Stock Exchange Daily Official List) number or their ISIN (International Securities Identification Number).
In the United States, modern letter-only ticker symbols were developed by Standard & Poor's (S&P) to bring a national standard to investing. Previously, a single company could have many different ticker symbols as they varied between the dozens of individual stock markets. The term ticker refers to the noise made by the ticker tape machines once widely used by stock exchanges.
Some companies use a well-known product as their ticker symbol. Anheuser-Busch, the brewer of Budweiser beer, used "BUD" as its three-letter ticker until it was acquired by InBev in 2008, symbolizing its premier product. Its rival, Molson Coors Brewing Company, uses a similarly beer-related symbol, "TAP". Likewise, Southwest Airlines pays tribute to its headquarters at Love Field in Dallas through its "LUV" symbol. Cedar Fair Entertainment Company, which operates large amusement parks in the United States, uses "FUN" as its symbol, while Steinway Musical Instruments uses the symbol "LVB", to honor composer and pianist Ludwig van Beethoven. Harley-Davidson uses "HOG" for its Harley Owners Group. Yamana Gold uses "AUY", because on the periodic table of elements, "Au" is the symbol for gold. Sotheby's (the famous auction house) uses the symbol "BID".
While most symbols come from the company's name, sometimes it happens the other way around. Tricon Global, owner of KFC, Pizza Hut and Taco Bell, adopted the symbol "YUM" to represent its corporate mission when the company was spun out of PepsiCo in 1997. In 2002, the company changed its name to match its symbol, adopting the name Yum! Brands.
Symbols sometimes change to reflect mergers. Prior to the 1999 merger with Mobil Oil, Exxon used a phonetic spelling of the company "XON" as its ticker symbol. The symbol of the firm after the merger was "XOM". After Hewlett-Packard merged with Compaq, the new firm took on the ticker symbol "HPQ". (The former symbols were HWP and CPQ.) AT&T's ticker symbol is simply "T"; accordingly, the company is referred to simply as "Telephone" on Wall Street (the T symbol is so well known that when the company was purchased by SBC, it took the AT&T name, capitalizing on its history and keeping the desired single letter symbol).
Some examples of US Stock symbols include:
- A – Agilent Technologies
- AAPL – Apple Inc.
- BAC – Bank of America
- BRK.A – Berkshire Hathaway (class A shares)
- C – Citigroup
- GOOG – Google
- HNZ – H. J. Heinz Company
- HOG – Harley-Davidson Inc.
- HPQ – Hewlett-Packard
- INTC – Intel
- KO – Coca-Cola Company
- MMM – 3M
- MSFT – Microsoft
- TGT – Target Corporation
- TXN – Texas Instruments
- WMT – Walmart
- WAG – Walgreens
Formerly, a glance at a U.S. stock symbol and its appended codes would allow an investor to determine where a stock trades; however in July 2007, the SEC approved a rule change allowing companies moving from the New York Stock Exchange to the Nasdaq to retain their three letter symbols; DirecTV was one of the first companies to make this move. When first implemented, the rule change did not apply to companies with one or two letter symbols, but subsequently any stock was able to move from the NYSE to the Nasdaq without changing its symbol. CA, Inc., which trades under the symbol CA, moved from the NYSE to the Nasdaq in April 2008 and kept its two-letter symbol.
|A – Class "A"||K – Nonvoting (common)||U – Units|
|B – Class "B"||L – Miscellaneous||V – Pending issue and distribution|
|C – Continuance – or Nasdaq exception||M – fourth class – preferred shares||W – Warrants|
|D – New issue or reverse split||N – third class – preferred shares||X – Mutual fund|
|E – Delinquent SEC filings||O – second class – preferred shares||Y – American depositary receipt (ADR)|
|F – Foreign||P – first class preferred shares||Z – Miscellaneous situations|
|G – first convertible bond||Q – In bankruptcy||Special codes|
|H – second convertible bond||R – Rights||PK – A Pink Sheet, indicating over-the-counter|
|I – third convertible bond||S – Shares of beneficial interest||SC – Nasdaq Small Cap|
|J – Voting share – special||T – With warrants or rights||NM – Nasdaq National Market|
Single-letter ticker symbolsEdit
- A: Agilent Technologies (formerly Astra AB)
- B: Barnes Group
- C: Citigroup (previously used for Chrysler)
- D: Dominion Resources
- E: Eni SpA
- F: Ford Motor Company
- G: Genpact (previously GE ITS)
- H: Hyatt (formerly Realogy Corporation)
- I: IntelSat Global Holdings SA (previously First Interstate Bancorp)
- K: Kellogg
- L: Loews Corporation (formerly Liberty Media)
- M: Macy's, Inc. (formerly M-Corp)
- N: NetSuite, Inc. (formerly Inco)
- O: Realty Income Corporation
- P: Pandora Media, Inc. (previously Phillips Petroleum Company)
- Q: Quintiles (previously Qwest)
- R: Ryder System Inc.
- S: Sprint Corporation (previously Sears, Roebuck & Company)
- T: AT&T
- V: Visa Inc. (previously Vivendi)
- W: Wayfair (previously Westvaco)
- X: U.S. Steel
- Y: Alleghany Corporation
- Z: Zillow (previously Foot Locker/Woolworth )
In countries where Arabic script is used, and in East Asia, transliterated Latin-script versions of company names may be confusing to an unpracticed Western reader; stock symbols provide a simple means of clear communication in the workplace. Many Asian countries use numerical or alphanumerical ticker symbols instead of characters to facilitate international trade.
- Industrial and Commercial Bank of China – 01398 [Hong Kong]
- HSBC – 00005 [Hong Kong]
- DBS Bank – D05 [Singapore]
- Jardine C&C – C07 [Singapore]
- TonenGeneral Sekiyu KK – 5012 [Japan]
- Toshiba Corp – 6502 [Japan]
- China CITIC Bank Corp Ltd – 601998 [Shanghai – China]
- Hubei Golden Ring Co Ltd – 000615 [Shenzhen – China]
- ASUSTEK – 2357 [Taiwan]
- Chunghwa Telecom Co Ltd – 2412 [Taiwan]
- Mantell, Ruth (3 August 2006). "Vivendi voluntarily delists from NYSE, ends ADR program". Marketwatch. Retrieved 14 January 2013.
- "Stock Market Terms, Stock Symbol Extension". TMX Money. Retrieved 2010-01-11.
- Preferred Ticker Symbols and Names – QuantumOnline.com
- "Tricon announces name change to Yum! Brands Inc | Yum Brands". AMEinfo.com. Retrieved 2012-11-13.
- UPDATE 1-SEC allows Nasdaq to list 3-letter ticker symbols
- CA Announces Move to NASDAQ
- "Trivia - One-Letter Ticker Symbols on NYSE". The Investment FAQ. Retrieved 2 June 2011.
- "Intelsat IPO Gets $347.8 Million as Stock Priced Below Range". Bloomberg.
- Wilson, David. "Zillow With a Z Will Break NYSE Grip on One-Letter Tickers". BusinessWeek. Retrieved 2 June 2011.
- "Loews Scores Coveted One-Letter Ticker". The New York Times. June 17, 2008. Retrieved May 25, 2010.