Stock Market Data Systems
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Stock Market Data Systems
Stock market data systems communicate market data—information about securities and stock trades—from stock exchanges to stockbrokers and stock traders. History The earliest stock exchanges were in France in the 12th century and in Bruges and Italy in the 13th. Presumably data about trades in those times was written down by scribes and traveled by courier. In the early 19th century Reuters sent data by carrier pigeons between Germany and Belgium In London early exchanges were located near coffee houses which may have played a part in trading. Chalk boards In the late 1860s, in New York, young men called "runners" prices between the exchange and broker’s offices, and often these prices were posted by hand on large chalk boards in the offices. Updating a chalk board was an entry point for many traders getting into financial markets and as mentioned in the book Reminiscences of a Stock Operator those updating the boards would wear fur sleeves so they wouldn't accidentall ...
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Market Data
''For market data as used in marketing, see marketing information system'' 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. The market data for a particular instrument would include the identifier of the instrument and where it was traded such as the ticker symbol and exchange code plus the latest bid and ask price and the time of the last trade. It may also include other information such as volume traded, bid, and offer sizes and static data about the financial instrument that may have come from a variety of sources. There are a number of financial data vendors that specialize in collecting, cleaning, collating, and distributing market data and this has become the most common way that traders and investors get a ...
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Stock
In finance, stock (also capital stock) consists of all the shares by which ownership of a corporation or company is divided.Longman Business English Dictionary: "stock - ''especially AmE'' one of the shares into which ownership of a company is divided, or these shares considered together" "When a company issues shares or stocks ''especially AmE'', it makes them available for people to buy for the first time." (Especially in American English, the word "stocks" is also used to refer to shares.) A single share of the stock means fractional ownership of the corporation in proportion to the total number of shares. This typically entitles the shareholder (stockholder) to that fraction of the company's earnings, proceeds from liquidation of assets (after discharge of all senior claims such as secured and unsecured debt), or voting power, often dividing these up in proportion to the amount of money each stockholder has invested. Not all stock is necessarily equal, as certain classe ...
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Quotron
Quotron was a Los Angeles-based company that in 1960 became the first financial data technology company to deliver stock market quotes to an electronic screen rather than on a printed ticker tape. The Quotron offered brokers and money managers up-to-the-minute prices and other information about securities. The Quotron was developed by Scantlin Electronics, owned by entrepreneur John Scantlin. Scantlin had earlier developed a quotation device that used magnetic tape instead of ticker tape. Quotron's first major competitor was Telerate, which was founded by Neil Hirsch in 1969 and later bought by Dow Jones in 1990. Citicorp bought Quotron in 1986. At the time Quotron was renting 100,000 terminals which equated to 60 percent of the 1986 market for financial data. Following the Citicorp acquisition, Quotron's largest client, brokerage house Merrill Lynch, decided not to renew their contract with Quotron. Merrill Lynch instead invested in a competing startup named Bloomberg. Most co ...
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Switchboard Operator
In the early days of telephony, companies used manual telephone switchboards, and switchboard operators connected calls by inserting a pair of phone plugs into the appropriate jacks. They were gradually phased out and replaced by automated systems, first those allowing direct dialing within a local area, then for long-distance and international direct dialing. Description A typical telephone switchboard has a vertical panel containing an array of jacks with a desk in front. The desk has a row of switches and two rows of plugs attached to cables that retract into the desk when not in use. Each pair of plugs was part of a cord circuit with a switch associated that let the operator participate in the call or ring the circuit for an incoming call. Each jack had a light above it that lit when the customer's telephone receiver was lifted (the earliest systems required the customer to hand-crank a magneto to alert the central office and, later, to "ring off" the completed call). Lines ...
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Chicago Board Of Trade
The Chicago Board of Trade (CBOT), established on April 3, 1848, is one of the world's oldest futures and options exchanges. On July 12, 2007, the CBOT merged with the Chicago Mercantile Exchange (CME) to form CME Group. CBOT and three other exchanges (CME, NYMEX, and COMEX) now operate as designated contract markets (DCM) of the CME Group. History The concerns of U.S. merchants to ensure that there were buyers and sellers for commodities have resulted in forward contracts to sell and buy commodities. Still, credit risk remained a serious problem. The CBOT took shape to provide a centralized location, where buyers and sellers can meet to negotiate and formalize forward contracts. An early 1848 discussion between Thomas Richmond and W. L. Whiting regarding the propriety of creating a board of trade led to the March 13 meeting merchants and businessmen in favor of establishing it and a resulting resolution for such an establishment and a Constitution. A committee then developed ...
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New York Mercantile Exchange
The New York Mercantile Exchange (NYMEX) is a commodity futures exchange owned and operated by CME Group of Chicago. NYMEX is located at One North End Avenue in Brookfield Place in the Battery Park City section of Manhattan, New York City. The company's two principal divisions are the New York Mercantile Exchange and Commodity Exchange, Inc (COMEX), once separately owned exchanges. NYMEX traces its history to 1882 and for most of its history, as was common of exchanges, it was owned by the members who traded there. Later, NYMEX Holdings, Inc., the former parent company of the New York Mercantile Exchange and COMEX, went public and became listed on the New York Stock Exchange on November 17, 2006, under the ticker symbol NMX. On March 17, 2008, Chicago based CME Group signed a definitive agreement to acquire NYMEX Holdings, Inc. for $11.2 billion in cash and stock and the takeover was completed in August 2008. Both NYMEX and COMEX now operate as designated contract markets ...
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Chicago Mercantile Exchange
The Chicago Mercantile Exchange (CME) (often called "the Chicago Merc", or "the Merc") is a global derivatives marketplace based in Chicago and located at 20 S. Wacker Drive. The CME was founded in 1898 as the Chicago Butter and Egg Board, an agricultural commodities exchange. Originally, the exchange was a non-profit organization. The Merc demutualized in November 2000, went public in December 2002, and merged with the Chicago Board of Trade in July 2007 to become a designated contract market of the CME Group Inc., which operates both markets. The chairman and chief executive officer of CME Group is Terrence A. Duffy, Bryan Durkin is president. On August 18, 2008, shareholders approved a merger with the New York Mercantile Exchange (NYMEX) and COMEX. CME, CBOT, NYMEX, and COMEX are now markets owned by CME Group. After the merger, the value of the CME quadrupled in a two-year span, with a market cap of over $25 billion. Today, CME is the largest options and futures con ...
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American Stock Exchange
NYSE American, formerly known as the American Stock Exchange (AMEX), and more recently as NYSE MKT, is an American stock exchange situated in New York City. AMEX was previously a mutual organization, owned by its members. Until 1953, it was known as the New York Curb Exchange. NYSE Euronext acquired AMEX on October 1, 2008, with AMEX integrated with the Alternext European small-cap exchange and renamed the NYSE Alternext U.S. In March 2009, NYSE Alternext U.S. was changed to NYSE Amex Equities. On May 10, 2012, NYSE Amex Equities changed its name to NYSE MKT LLC. Following the SEC approval of competing stock exchange IEX in 2016, NYSE MKT rebranded as NYSE American and introduced a 350-microsecond delay in trading, referred to as a "speed bump", which is also present on the IEX. History The Curb market The exchange grew out of the loosely organized curb market of curbstone brokers on Broad Street in Manhattan. Efforts to organize and standardize the market started early in ...
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Electronic Display
An electronic visual display, informally a screen, is a display device for presentation of images, text, or video transmitted electronically, without producing a permanent record. Electronic visual displays include television sets, computer monitors, and digital signage. By the above definition, an overhead projector (along with screen onto which the text, images, or video is projected) could reasonably be considered an electronic visual display since it is a display device for the presentation of an images, plain text, or video transmitted electronically without producing a permanent record. They are also ubiquitous in mobile computing applications like tablet computers, smartphones, and information appliances. Types These are the technologies used to create the various displays in use today. * Electroluminescent (EL) display * Liquid crystal (LC) display with Light-emitting diode (LED)-backlit Liquid crystal (LC) display * Light-emitting diode (LED) display **OLED display **AM ...
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Brokerage
A broker is a person or firm who arranges transactions between a buyer and a seller for a commission when the deal is executed. A broker who also acts as a seller or as a buyer becomes a principal party to the deal. Neither role should be confused with that of an agent—one who acts on behalf of a principal party in a deal. Definition A broker is an independent party whose services are used extensively in some industries. A broker's prime responsibility is to bring sellers and buyers together and thus a broker is the third-person facilitator between a buyer and a seller. An example would be a real estate or stock broker who facilitates the sale of a property. Brokers can furnish market research and market data. Brokers may represent either the seller or the buyer but generally not both at the same time. Brokers are expected to have the tools and resources to reach the largest possible base of buyers and sellers. They then screen these potential buyers or sellers for the perfe ...
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Rear Projection
Rear projection (background projection, process photography, etc.) is one of many in-camera effects cinematic techniques in film production for combining foreground performances with pre-filmed backgrounds. It was widely used for many years in driving scenes, or to show other forms of "distant" background motion. Technique Actors stand in front of a screen while a projector positioned behind the screen casts a reversed image of the background. This requires a large space, as the projector needs to be placed some distance from the back of the screen. Frequently the background image may initially appear faint and washed out compared to the foreground. The image that is projected can be still or moving, but is always called the ''plate.'' One might hear the command "Roll plate" to instruct stage crew to begin projecting. These so-called ''process shots'' were widely used to film actors as if they were inside a moving vehicle, who in reality are in a vehicle mock-up on a sound st ...
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Stock Market Crash
A stock market crash is a sudden dramatic decline of stock In finance, stock (also capital stock) consists of all the shares by which ownership of a corporation or company is divided.Longman Business English Dictionary: "stock - ''especially AmE'' one of the shares into which ownership of a company ... prices across a major cross-section of a stock market, resulting in a significant loss of paper wealth. Crashes are driven by panic selling and underlying economic factors. They often follow speculation and economic bubbles. A stock market crash is a social phenomenon where external economic events combine with crowd psychology in a positive feedback loop where selling by some market participants drives more market participants to sell. Generally speaking, crashes usually occur under the following conditions: a prolonged period of rising stock prices (a Market trend#Market terminology, bull market) and excessive economic optimism, a market where price–earnings ratios exce ...
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