{"id":4359,"date":"2025-11-15T01:21:00","date_gmt":"2025-11-15T04:21:00","guid":{"rendered":"https:\/\/elinversordebolsillo.com.ar\/?p=4359"},"modified":"2025-11-05T13:52:54","modified_gmt":"2025-11-05T16:52:54","slug":"tickers","status":"publish","type":"post","link":"https:\/\/elinversordebolsillo.com.ar\/en\/tickers\/","title":{"rendered":"Tickers: The Incredible Invention That Facilitated Stock Trading in 1867"},"content":{"rendered":"<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio has-large-font-size\">November 15th anniversary<\/p>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio has-medium-font-size\"><strong><em>On November 15, 1867, an invention emerged that would change Wall Street and the world&#039;s stock exchanges: Edward Calahan introduced tickers, a code to identify stock market participants that could be easily transmitted by telegraph. This was to replace the old stockbroker, who until then had literally run around the stock exchange floor checking for the latest prices. <\/em><\/strong><\/p>\n\n\n\n<p>The <strong>tickers<\/strong> These are alphanumeric codes that uniquely identify each stock on the stock market. But how did this practice originate?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The beginnings:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Manual communication:<\/strong> In the early days of stock exchanges, information about stock prices was communicated by shouting or using blackboards. It was a chaotic and inefficient system, especially as the number of listed companies began to grow.<\/li>\n\n\n\n<li><strong>The teletype machine:<\/strong> In the mid-19th century, the teletypewriter was introduced, an electromechanical device that allowed messages to be transmitted over long distances. This innovation revolutionized stock market communication, allowing stock prices to be transmitted more quickly and accurately.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The birth of tickers:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Need for abbreviations:<\/strong> With the increasing number of publicly traded companies, a more concise way to identify each stock became necessary. Thus, tickers, which are abbreviations of the company&#039;s name, emerged.<\/li>\n\n\n\n<li><strong>The characteristic sound:<\/strong> Early teletype machines produced a distinctive sound when printing characters, similar to the ticking of a clock. This is where the term &quot;ticker&quot; comes from.<\/li>\n\n\n\n<li><strong>Standardization:<\/strong> Over time, standards for assigning tickers were established, ensuring that each stock had a unique and recognizable code.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Evolution of tickers:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>From teletype machines to screens:<\/strong> With the advancement of technology, ticker machines were replaced by electronic screens that displayed stock prices in real time. However, tickers remained the standard way of identifying securities.<\/li>\n\n\n\n<li><strong>The digital age:<\/strong> Today, tickers are used in online trading platforms, mobile applications, and financial information systems. Despite technological advances, the ticker concept remains fundamental to stock market trading.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"643\" src=\"https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/Firefly-una-maquina-de-ticker-tape-del-ano-1900-93005-1024x643.jpg\" alt=\"Tickers\" class=\"wp-image-4360\" title=\"\" srcset=\"https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/Firefly-una-maquina-de-ticker-tape-del-ano-1900-93005-1024x643.jpg 1024w, https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/Firefly-una-maquina-de-ticker-tape-del-ano-1900-93005-300x188.jpg 300w, https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/Firefly-una-maquina-de-ticker-tape-del-ano-1900-93005-768x482.jpg 768w, https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/Firefly-una-maquina-de-ticker-tape-del-ano-1900-93005-1536x965.jpg 1536w, https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/Firefly-una-maquina-de-ticker-tape-del-ano-1900-93005-2048x1286.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Ticker transmitted by telegraph (illustrative image)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why are tickers important?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Unique identification:<\/strong> Each ticker is a unique identifier that distinguishes one stock from another.<\/li>\n\n\n\n<li><strong>Efficiency:<\/strong> Tickers streamline stock buying and selling operations.<\/li>\n\n\n\n<li><strong>Condensed information:<\/strong> By knowing a company&#039;s ticker, you can quickly access relevant information about its stock, news, and analysis.<\/li>\n<\/ul>\n\n\n\n<p>In short, tickers emerged as a practical necessity to efficiently identify stocks in an ever-growing stock market. From their origins as abbreviations transmitted by teletype machines, tickers have become an essential tool for investors worldwide.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/inscripcion-mentoria-financiera\/\"><img decoding=\"async\" width=\"851\" height=\"315\" src=\"https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/image-1.jpeg\" alt=\"\" class=\"wp-image-3997\" title=\"\" srcset=\"https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/image-1.jpeg 851w, https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/image-1-300x111.jpeg 300w, https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/image-1-768x284.jpeg 768w\" sizes=\"(max-width: 851px) 100vw, 851px\" \/><\/a><\/figure>\n\n\n\n<h5 class=\"wp-block-heading wp-embed-aspect-16-9 wp-has-aspect-ratio\">You might also be interested in:<\/h5>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/empezar-a-invertir-en-bolsa\/\">The Secrets to Starting to Invest in the Stock Market for Beginners<\/a><\/p>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/objetivos-financieros\/\">How to achieve your financial goals and achieve financial freedom<\/a><span data-rich-text-placeholder=\"Teclea \/ para elegir un bloque\" style=\"pointer-events:none;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;\"><\/span><\/p>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/servicios-financieros\/\">Choosing quality financial services is essential. How do you get them?<\/a><span data-rich-text-placeholder=\"Teclea \/ para elegir un bloque\" style=\"pointer-events:none;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;\"><\/span><\/p>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/preg-mentorias-financieras\/\">Frequently asked questions about our Financial Mentoring<\/a><span data-rich-text-placeholder=\"Teclea \/ para elegir un bloque\" style=\"pointer-events:none;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;\"><\/span><\/p>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/mentoria-financiera\/\">Reasons why taking financial mentoring is essential<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Edward Calahan, the father of tickers<\/h2>\n\n\n\n<p><strong>Edward Calahan<\/strong> was a prominent 19th-century American businessman, known for his role in the <strong>modernization of the New York Stock Exchange (NYSE)<\/strong>Although he was not one of the original founders of the NYSE, his contributions were instrumental in its development and success.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Introduction of the Ticker System<\/h3>\n\n\n\n<p>Calahan is mainly recognized for <strong>introduce the ticker system<\/strong> on the NYSE on November 15, 1867. This system revolutionized the way stocks were traded by allowing real-time transmission of security prices to brokers.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Before the tickers:<\/strong> Stock price information was transmitted manually by stockbrokers (a term still used today, but at the time it was literal), making the trading process slow and inefficient.<\/li>\n\n\n\n<li><strong>Calahan Innovation:<\/strong> The ticker system automated the transmission of information, improving market efficiency and transparency.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/libros-de-finanzas\/\"><img decoding=\"async\" src=\"https:\/\/elinversordebolsillo.com.ar\/wp-content\/uploads\/2024\/10\/image.jpeg\" alt=\"\" class=\"wp-image-3996\" title=\"\"><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Impact of the Ticker System<\/h3>\n\n\n\n<p>The ticker system had a profound impact on the New York Stock Exchange:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Increased liquidity:<\/strong> The availability of real-time information increased market liquidity, facilitating transactions and reducing trading costs.<\/li>\n\n\n\n<li><strong>Greater transparency:<\/strong> The ticker system made the market more transparent, allowing investors to make more informed decisions.<\/li>\n\n\n\n<li><strong>NYSE Modernization:<\/strong> The introduction of the ticker system was an important step in modernizing the NYSE and consolidating its position as the leading U.S. stock exchange.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Legacy of Edward Calahan<\/h3>\n\n\n\n<p>Edward Calahan is considered one of the pioneers of financial technology in the United States. His innovation in the ticker system had a lasting impact on the industry and remains relevant to this day.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-medium-font-size\"><em><strong>Did you know that tickers are still used to search for stocks today?<\/strong><\/em><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>For example, if you want to invest in Banco Macro on the Argentine stock market, you should search for BMA, and GGAL for Banco Galicia. On the American stock market, you should search for AAPL for Apple, MSFT for Microsoft, and GOOGL for Google.<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading wp-embed-aspect-16-9 wp-has-aspect-ratio has-medium-font-size\">Both you and your company can also invest in quality companies.<\/h2>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio\">In the <strong><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/nuestros-servicios\/mentoria-financiera\/\" data-type=\"post\" data-id=\"2813\">Financial Mentoring<\/a> With El Inversor de Bolsillo\u00ae you can learn while you invest, and we&#039;ll guide you according to your needs.<\/strong> Financial consulting for individuals includes one-on-one advisory sessions, online courses, stock market reports and everything you need to <strong>your investment is a success<\/strong>, so much <strong>investing in Argentina as in any other part of the world.<\/strong><br>There are different monthly plans of <strong>according to your circumstances and your budget<\/strong>The most important thing is that whichever plan you choose, <strong>you'll never be alone<\/strong>We will accompany you in your learning so that you can <strong>invest successfully.<\/strong><\/p>\n\n\n\n<p class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio\">Getting the best financing for your business isn&#039;t easy. 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href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/bancos\/\" class=\"tag-cloud-link tag-link-193 tag-link-position-5\" style=\"font-size: 9.6766467065868pt;\" aria-label=\"banks (7 items)\">banks<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/berkshire-hathaway\/\" class=\"tag-cloud-link tag-link-71 tag-link-position-6\" style=\"font-size: 8pt;\" aria-label=\"Berkshire Hathaway (4 items)\">Berkshire Hathaway<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/bolsa-de-valores\/\" class=\"tag-cloud-link tag-link-39 tag-link-position-7\" style=\"font-size: 19.40119760479pt;\" aria-label=\"Bolsa de valores (114 items)\">Stock market<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/bonos\/\" class=\"tag-cloud-link tag-link-322 tag-link-position-8\" style=\"font-size: 9.2574850299401pt;\" aria-label=\"bonds (6 items)\">bonds<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/burbuja\/\" class=\"tag-cloud-link tag-link-289 tag-link-position-9\" style=\"font-size: 10.095808383234pt;\" aria-label=\"bubble (8 items)\">bubble<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/burbuja-puntocom\/\" class=\"tag-cloud-link tag-link-239 tag-link-position-10\" style=\"font-size: 11.185628742515pt;\" aria-label=\"Dotcom bubble (11 items)\">Dot-com bubble<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/byma\/\" class=\"tag-cloud-link tag-link-83 tag-link-position-11\" style=\"font-size: 10.51497005988pt;\" aria-label=\"byma (9 items)\">byma<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/commodities\/\" class=\"tag-cloud-link tag-link-373 tag-link-position-12\" style=\"font-size: 8.6706586826347pt;\" aria-label=\"commodities (5 items)\">commodities<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/compania-de-los-mares-del-sur\/\" class=\"tag-cloud-link tag-link-349 tag-link-position-13\" style=\"font-size: 8.6706586826347pt;\" aria-label=\"South Sea Company (5 items)\">South Sea Company<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/consejos-financieros\/\" class=\"tag-cloud-link tag-link-164 tag-link-position-14\" style=\"font-size: 8.6706586826347pt;\" aria-label=\"Financial advice (5 items)\">Financial advice<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/criptomonedas\/\" class=\"tag-cloud-link tag-link-237 tag-link-position-15\" style=\"font-size: 9.2574850299401pt;\" aria-label=\"Cryptocurrencies (6 items)\">Cryptocurrencies<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/crisis\/\" class=\"tag-cloud-link tag-link-88 tag-link-position-16\" style=\"font-size: 12.023952095808pt;\" aria-label=\"crisis (14 items)\">crisis<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/crisis-subprime\/\" class=\"tag-cloud-link tag-link-101 tag-link-position-17\" style=\"font-size: 10.095808383234pt;\" aria-label=\"subprime crisis (8 items)\">subprime crisis<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/curso-de-finanzas-gratuito\/\" class=\"tag-cloud-link tag-link-594 tag-link-position-18\" style=\"font-size: 13.02994011976pt;\" aria-label=\"curso de finanzas gratuito (19 items)\">free finance course<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/economia\/\" class=\"tag-cloud-link tag-link-397 tag-link-position-19\" style=\"font-size: 11.185628742515pt;\" aria-label=\"economics (11 items)\">economy<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/empezar-a-invertir\/\" class=\"tag-cloud-link tag-link-38 tag-link-position-20\" style=\"font-size: 15.964071856287pt;\" aria-label=\"Empezar a invertir (44 items)\">Start investing<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/esquema-piramidal\/\" class=\"tag-cloud-link tag-link-255 tag-link-position-21\" style=\"font-size: 9.6766467065868pt;\" aria-label=\"pyramid scheme (7 items)\">pyramid scheme<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/estados-unidos\/\" class=\"tag-cloud-link tag-link-172 tag-link-position-22\" style=\"font-size: 10.095808383234pt;\" aria-label=\"United States (8 items)\">USA<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/facebook\/\" class=\"tag-cloud-link tag-link-177 tag-link-position-23\" style=\"font-size: 8.6706586826347pt;\" aria-label=\"Facebook (5 items)\">Facebook<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/finanzas\/\" class=\"tag-cloud-link tag-link-31 tag-link-position-24\" style=\"font-size: 18.562874251497pt;\" aria-label=\"finanzas (90 items)\">finance<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/finanzas-personales\/\" class=\"tag-cloud-link tag-link-32 tag-link-position-25\" style=\"font-size: 16.88622754491pt;\" aria-label=\"Finanzas personales (56 items)\">Personal finances<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/ibm\/\" class=\"tag-cloud-link tag-link-380 tag-link-position-26\" style=\"font-size: 8pt;\" aria-label=\"IBM (4 items)\">IBM<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/inflacion\/\" class=\"tag-cloud-link tag-link-228 tag-link-position-27\" style=\"font-size: 8.6706586826347pt;\" aria-label=\"inflation (5 items)\">inflation<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/inglaterra\/\" class=\"tag-cloud-link tag-link-293 tag-link-position-28\" style=\"font-size: 8pt;\" aria-label=\"England (4 items)\">England<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/libros-de-finanzas\/\" class=\"tag-cloud-link tag-link-166 tag-link-position-29\" style=\"font-size: 8pt;\" aria-label=\"finance books (4 items)\">finance books<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/libros-de-inversion\/\" class=\"tag-cloud-link tag-link-284 tag-link-position-30\" style=\"font-size: 8pt;\" aria-label=\"investment books (4 items)\">investment books<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/ltcm\/\" class=\"tag-cloud-link tag-link-127 tag-link-position-31\" style=\"font-size: 8pt;\" aria-label=\"LTCM (4 items)\">LTCM<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/mentoria-financiera\/\" class=\"tag-cloud-link tag-link-61 tag-link-position-32\" style=\"font-size: 13.02994011976pt;\" aria-label=\"financial mentoring (19 items)\">financial mentoring<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/mercado-argentino\/\" class=\"tag-cloud-link tag-link-126 tag-link-position-33\" style=\"font-size: 15.880239520958pt;\" aria-label=\"mercado argentino (43 items)\">Argentine market<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/mercado-de-valores\/\" class=\"tag-cloud-link tag-link-35 tag-link-position-34\" style=\"font-size: 19.820359281437pt;\" aria-label=\"mercado de valores (128 items)\">stock market<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/mercado-internacional\/\" class=\"tag-cloud-link tag-link-70 tag-link-position-35\" style=\"font-size: 22pt;\" aria-label=\"mercado internacional (234 items)\">international market<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/meta\/\" class=\"tag-cloud-link tag-link-178 tag-link-position-36\" style=\"font-size: 8pt;\" aria-label=\"Meta (4 items)\">Meta<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/microsoft\/\" class=\"tag-cloud-link tag-link-231 tag-link-position-37\" style=\"font-size: 9.6766467065868pt;\" aria-label=\"Microsoft (7 items)\">Microsoft<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/nasdaq\/\" class=\"tag-cloud-link tag-link-104 tag-link-position-38\" style=\"font-size: 8pt;\" aria-label=\"Nasdaq (4 items)\">Nasdaq<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/petroleo\/\" class=\"tag-cloud-link tag-link-383 tag-link-position-39\" style=\"font-size: 10.51497005988pt;\" aria-label=\"Oil (9 items)\">Oil<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/rusia\/\" class=\"tag-cloud-link tag-link-41 tag-link-position-40\" style=\"font-size: 8pt;\" aria-label=\"Russia (4 items)\">Russia<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/steve-jobs\/\" class=\"tag-cloud-link tag-link-175 tag-link-position-41\" style=\"font-size: 9.2574850299401pt;\" aria-label=\"Steve Jobs (6 items)\">Steve Jobs<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/tecnologia\/\" class=\"tag-cloud-link tag-link-391 tag-link-position-42\" style=\"font-size: 11.185628742515pt;\" aria-label=\"Technology (11 items)\">Technology<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/value-investing\/\" class=\"tag-cloud-link tag-link-95 tag-link-position-43\" style=\"font-size: 8.6706586826347pt;\" aria-label=\"value investing (5 items)\">value investing<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/wall-street\/\" class=\"tag-cloud-link tag-link-234 tag-link-position-44\" style=\"font-size: 8.6706586826347pt;\" aria-label=\"Wall Street (5 items)\">Wall Street<\/a>\n<a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/etiquetas\/warren-buffett\/\" class=\"tag-cloud-link tag-link-69 tag-link-position-45\" style=\"font-size: 13.532934131737pt;\" aria-label=\"warren buffett (22 items)\">Warren Buffett<\/a><\/p>\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Explore categories<\/h3>\n\n\n<ul class=\"wp-block-categories-list wp-block-categories\">\t<li class=\"cat-item cat-item-50\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/abril\/\">April<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-54\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/agosto\/\">August<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-77\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/\">Blog<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-78\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/consejos-financieros\/\">Financial advice<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-418\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/curso-de-finanzas\/\">Finance Course<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-58\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/diciembre\/\">December<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-46\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/\">Anniversaries<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-47\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/enero\/\">January<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-48\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/febrero\/\">February<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-30\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/finanzas-personales\/\">Personal Finance<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-53\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/julio\/\">July<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-52\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/junio\/\">June<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-49\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/marzo\/\">March<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-51\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/mayo\/\">May<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-29\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/mercado-argentino\/\">Argentine Market<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-28\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/mercado-internacional\/\">International Market<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-167\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/miscelaneo\/\">Miscellaneous<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-256\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/noticias\/\">News<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-57\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/noviembre\/\">November<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-27\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/nuestros-servicios\/\">Our services<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-56\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/octubre\/\">October<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-55\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/blog\/efemerides\/septiembre\/\">September<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-1\"><a href=\"https:\/\/elinversordebolsillo.com.ar\/en\/sin-categoria\/\">Uncategorized<\/a>\n<\/li>\n<\/ul>\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>On November 15, 1867, an invention emerged that would change Wall Street and the world&#039;s stock exchanges: Edward Calahan introduced tickers, a code to identify stock market participants that could be easily transmitted by telegraph. This was to replace the old stockbroker, who until then had literally run around the stock exchange floor checking for the latest prices. <\/p>","protected":false},"author":2,"featured_media":6256,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[77,46,57],"tags":[70,267,268],"class_list":["post-4359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-efemerides","category-noviembre","tag-mercado-internacional","tag-nyse","tag-tickers"],"_links":{"self":[{"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/posts\/4359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/comments?post=4359"}],"version-history":[{"count":5,"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/posts\/4359\/revisions"}],"predecessor-version":[{"id":6257,"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/posts\/4359\/revisions\/6257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/media\/6256"}],"wp:attachment":[{"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/media?parent=4359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/categories?post=4359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elinversordebolsillo.com.ar\/en\/wp-json\/wp\/v2\/tags?post=4359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}