{"id":152,"date":"2026-08-16T07:10:21","date_gmt":"2026-08-16T05:10:21","guid":{"rendered":"https:\/\/www.zambiashares.com\/learn-investing\/?p=152"},"modified":"2026-08-16T07:14:02","modified_gmt":"2026-08-16T05:14:02","slug":"lesson-12-market-capitalisation","status":"publish","type":"post","link":"https:\/\/www.zambiashares.com\/learn-investing\/lesson-12-market-capitalisation\/","title":{"rendered":"Lesson 12 \u2014 Market Capitalisation"},"content":{"rendered":"<style>\r\n.zs12-lesson {\r\n    max-width: 1100px;\r\n    margin: 30px auto;\r\n    font-family: Arial, Helvetica, sans-serif;\r\n    color: #374151;\r\n}\r\n\r\n.zs12-card {\r\n    background: #ffffff;\r\n    border: 1px solid #DDE5E0;\r\n    border-radius: 18px;\r\n    box-shadow: 0 5px 20px rgba(0,0,0,0.07);\r\n    overflow: hidden;\r\n}\r\n\r\n.zs12-header {\r\n    background: #008C3A;\r\n    color: #ffffff;\r\n    padding: 28px 35px;\r\n    text-align: center;\r\n}\r\n\r\n.zs12-header h2 {\r\n    color: #ffffff;\r\n   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#17233C;\r\n    font-weight: bold;\r\n    font-size: 15px;\r\n}\r\n\r\n@media (max-width: 700px) {\r\n\r\n    .zs12-lesson {\r\n        margin: 15px 8px;\r\n    }\r\n\r\n    .zs12-header {\r\n        padding: 23px 18px;\r\n    }\r\n\r\n    .zs12-header h2 {\r\n        font-size: 25px;\r\n    }\r\n\r\n    .zs12-slide {\r\n        padding: 30px 22px 25px;\r\n        min-height: 500px;\r\n    }\r\n\r\n    .zs12-slide h3 {\r\n        font-size: 23px;\r\n    }\r\n\r\n    .zs12-slide p,\r\n    .zs12-slide ul {\r\n        font-size: 16px;\r\n        line-height: 1.7;\r\n    }\r\n\r\n    .zs12-formula-main {\r\n        font-size: 21px;\r\n    }\r\n\r\n    .zs12-calc {\r\n        grid-template-columns: 1fr;\r\n    }\r\n\r\n    .zs12-compare {\r\n        grid-template-columns: 1fr;\r\n    }\r\n\r\n    .zs12-flow {\r\n        flex-direction: column;\r\n    }\r\n\r\n    .zs12-arrow {\r\n        transform: rotate(90deg);\r\n    }\r\n\r\n    .zs12-navigation {\r\n        padding: 16px;\r\n    }\r\n\r\n    .zs12-btn {\r\n        padding: 11px 17px;\r\n        font-size: 14px;\r\n    }\r\n}\r\n<\/style>\r\n\r\n\r\n<div class=\"zs12-lesson\">\r\n\r\n    <div class=\"zs12-card\">\r\n\r\n        <div class=\"zs12-header\">\r\n            <h2>Lesson 12: Market Capitalisation<\/h2>\r\n            <p>Understand how the market measures the size of a company.<\/p>\r\n        <\/div>\r\n\r\n        <div class=\"zs12-progress\">\r\n            <div class=\"zs12-progress-bar\" id=\"zs12Progress\"><\/div>\r\n        <\/div>\r\n\r\n\r\n        <!-- 01 -->\r\n\r\n        <div class=\"zs12-slide active\">\r\n\r\n            <span class=\"zs12-number\">01 \/ 10<\/span>\r\n\r\n            <h3>What Is Market Capitalisation?<\/h3>\r\n\r\n            <div class=\"zs12-visual\">\r\n                <div class=\"zs12-icon\">\ud83c\udfe2 \ud83d\udcca \ud83d\udcb0<\/div>\r\n                <strong>Market Capitalisation = Market Value of a Company's Shares<\/strong>\r\n            <\/div>\r\n\r\n            <p>\r\n                Market capitalisation, often called <strong>market cap<\/strong>,\r\n                is a simple way of looking at the size of a company based on\r\n                the total market value of its shares.\r\n            <\/p>\r\n\r\n            <p>\r\n                It is calculated using two important numbers:\r\n                the company's share price and the number of shares in issue.\r\n            <\/p>\r\n\r\n            <div class=\"zs12-highlight\">\r\n                <strong>In simple words:<\/strong> Market capitalisation helps\r\n                investors understand how large a listed company is in the\r\n                stock market.\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 02 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">02 \/ 10<\/span>\r\n\r\n            <h3>The Market Cap Formula<\/h3>\r\n\r\n            <div class=\"zs12-formula\">\r\n\r\n                <div class=\"zs12-formula-main\">\r\n                    Market Capitalisation = Share Price \u00d7 Shares in Issue\r\n                <\/div>\r\n\r\n                <div class=\"zs12-formula-sub\">\r\n                    Share Price = current market price of one share<br>\r\n                    Shares in Issue = number of shares issued by the company\r\n                <\/div>\r\n\r\n            <\/div>\r\n\r\n            <p>\r\n                The calculation is easier than it may first sound.\r\n            <\/p>\r\n\r\n            <p>\r\n                If a company has 10 million shares and each share is trading\r\n                at K5, the market capitalisation would be K50 million.\r\n            <\/p>\r\n\r\n            <div class=\"zs12-tip\">\r\n                You only need two numbers to calculate basic market\r\n                capitalisation: the share price and the number of shares.\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 03 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">03 \/ 10<\/span>\r\n\r\n            <h3>Let's Calculate It<\/h3>\r\n\r\n            <div class=\"zs12-calc\">\r\n\r\n                <div class=\"zs12-calc-box\">\r\n                    <strong>10 Million<\/strong>\r\n                    Shares in Issue\r\n                <\/div>\r\n\r\n                <div class=\"zs12-calc-box\">\r\n                    <strong>K5<\/strong>\r\n                    Share Price\r\n                <\/div>\r\n\r\n                <div class=\"zs12-calc-box\">\r\n                    <strong>K50 Million<\/strong>\r\n                    Market Cap\r\n                <\/div>\r\n\r\n            <\/div>\r\n\r\n            <div class=\"zs12-formula\">\r\n\r\n                <div class=\"zs12-formula-main\">\r\n                    10,000,000 \u00d7 K5 = K50,000,000\r\n                <\/div>\r\n\r\n                <div class=\"zs12-formula-sub\">\r\n                    Therefore, the company's market capitalisation is\r\n                    K50 million.\r\n                <\/div>\r\n\r\n            <\/div>\r\n\r\n            <p>\r\n                This does not mean the company has K50 million sitting\r\n                in its bank account.\r\n            <\/p>\r\n\r\n            <p>\r\n                It represents the market value of the company's shares\r\n                based on the current share price.\r\n            <\/p>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 04 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">04 \/ 10<\/span>\r\n\r\n            <h3>Why Does Market Cap Change?<\/h3>\r\n\r\n            <div class=\"zs12-visual\">\r\n\r\n                <div class=\"zs12-flow\">\r\n\r\n                    <div class=\"zs12-box\">\r\n                        Share Price\r\n                    <\/div>\r\n\r\n                    <div class=\"zs12-arrow\">\u2195<\/div>\r\n\r\n                    <div class=\"zs12-box\">\r\n                        Market Cap\r\n                    <\/div>\r\n\r\n                <\/div>\r\n\r\n            <\/div>\r\n\r\n            <p>\r\n                Market capitalisation can change when the market price\r\n                of the company's shares changes.\r\n            <\/p>\r\n\r\n            <p>\r\n                For example, if the company in our previous example has\r\n                10 million shares and the share price rises from K5 to K6,\r\n                its market capitalisation becomes K60 million.\r\n            <\/p>\r\n\r\n            <div class=\"zs12-highlight\">\r\n                10 million shares \u00d7 K6 = <strong>K60 million<\/strong>\r\n            <\/div>\r\n\r\n            <p>\r\n                So a change in share price can change the market\r\n                capitalisation.\r\n            <\/p>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 05 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">05 \/ 10<\/span>\r\n\r\n            <h3>Market Cap Does Not Mean Cash in the Bank<\/h3>\r\n\r\n            <div class=\"zs12-visual\">\r\n                <div class=\"zs12-icon\">\ud83c\udfe6 \u2260 \ud83d\udcca<\/div>\r\n                <strong>Market Cap is not the same as cash held by a company.<\/strong>\r\n            <\/div>\r\n\r\n            <p>\r\n                This is an important point for beginners.\r\n            <\/p>\r\n\r\n            <p>\r\n                If a company has a market capitalisation of K500 million,\r\n                it does not mean that the company has K500 million in its\r\n                bank account.\r\n            <\/p>\r\n\r\n            <p>\r\n                Market capitalisation is calculated from the market price\r\n                of the company's shares and the number of shares in issue.\r\n            <\/p>\r\n\r\n            <div class=\"zs12-tip\">\r\n                Think of market capitalisation as a measure of the\r\n                <strong>market value of the company's equity<\/strong>,\r\n                not its bank balance.\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 06 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">06 \/ 10<\/span>\r\n\r\n            <h3>Comparing Two Companies<\/h3>\r\n\r\n            <div class=\"zs12-compare\">\r\n\r\n                <div class=\"zs12-company\">\r\n\r\n                    <h4>Company A<\/h4>\r\n\r\n                    <div class=\"zs12-company-value\">\r\n                        K50 Million\r\n                    <\/div>\r\n\r\n                    <p>\r\n                        Market Capitalisation\r\n                    <\/p>\r\n\r\n                <\/div>\r\n\r\n                <div class=\"zs12-company orange\">\r\n\r\n                    <h4>Company B<\/h4>\r\n\r\n                    <div class=\"zs12-company-value\">\r\n                        K500 Million\r\n                    <\/div>\r\n\r\n                    <p>\r\n                        Market Capitalisation\r\n                    <\/p>\r\n\r\n                <\/div>\r\n\r\n            <\/div>\r\n\r\n            <p>\r\n                Based only on market capitalisation, Company B has a larger\r\n                market value than Company A.\r\n            <\/p>\r\n\r\n            <p>\r\n                This can be useful when comparing listed companies.\r\n                But market cap alone does not tell you which company is\r\n                better or which share will perform better.\r\n            <\/p>\r\n\r\n            <div class=\"zs12-highlight\">\r\n                <strong>Bigger does not automatically mean better.<\/strong>\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 07 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">07 \/ 10<\/span>\r\n\r\n            <h3>Why Investors Look at Market Cap<\/h3>\r\n\r\n            <p>\r\n                Market capitalisation can help investors understand the\r\n                relative size of companies in the market.\r\n            <\/p>\r\n\r\n            <ul>\r\n                <li>It helps compare the size of listed companies.<\/li>\r\n                <li>It can help investors understand a company's market value.<\/li>\r\n                <li>It can be used when grouping companies by size.<\/li>\r\n                <li>It provides useful context when researching a company.<\/li>\r\n            <\/ul>\r\n\r\n            <div class=\"zs12-tip\">\r\n                Market cap is one piece of information. A good investor\r\n                should look at other company information as well.\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 08 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">08 \/ 10<\/span>\r\n\r\n            <h3>Large, Medium and Small Companies<\/h3>\r\n\r\n            <div class=\"zs12-visual\">\r\n\r\n                <div class=\"zs12-flow\">\r\n\r\n                    <div class=\"zs12-box\">\r\n                        \ud83c\udfe2<br>\r\n                        Larger Company\r\n                    <\/div>\r\n\r\n                    <div class=\"zs12-box\">\r\n                        \ud83c\udfe2<br>\r\n                        Medium Company\r\n                    <\/div>\r\n\r\n                    <div class=\"zs12-box\">\r\n                        \ud83c\udfe2<br>\r\n                        Smaller Company\r\n                    <\/div>\r\n\r\n                <\/div>\r\n\r\n            <\/div>\r\n\r\n            <p>\r\n                Investors sometimes describe companies as large-cap,\r\n                mid-cap or small-cap based on their market capitalisation.\r\n            <\/p>\r\n\r\n            <p>\r\n                These labels are useful for describing company size, but\r\n                there is no single worldwide market-cap number that defines\r\n                every category.\r\n            <\/p>\r\n\r\n            <div class=\"zs12-highlight\">\r\n                The meaning of large-cap, mid-cap and small-cap can differ\r\n                between different markets.\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 09 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">09 \/ 10<\/span>\r\n\r\n            <h3>Market Cap Is Not the Whole Story<\/h3>\r\n\r\n            <p>\r\n                Imagine you are comparing two companies.\r\n                One has a market capitalisation of K1 billion and another\r\n                has K200 million.\r\n            <\/p>\r\n\r\n            <p>\r\n                You cannot simply say the K1 billion company is a better\r\n                investment.\r\n            <\/p>\r\n\r\n            <p>\r\n                You should also learn about the company's revenue, profit,\r\n                debt, cash flow, business model, management, dividends,\r\n                industry and future risks.\r\n            <\/p>\r\n\r\n            <div class=\"zs12-visual\">\r\n                <div class=\"zs12-icon\">\ud83d\udcca + \ud83d\udcb0 + \ud83c\udfe2 + \u26a0\ufe0f + \ud83d\udcda<\/div>\r\n                <strong>\r\n                    Market Cap + Company Research = Better Understanding\r\n                <\/strong>\r\n            <\/div>\r\n\r\n            <div class=\"zs12-tip\">\r\n                Market capitalisation is a starting point for understanding\r\n                company size, not a complete investment decision.\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n\r\n        <!-- 10 -->\r\n\r\n        <div class=\"zs12-slide\">\r\n\r\n            <span class=\"zs12-number\">10 \/ 10<\/span>\r\n\r\n            <div class=\"zs12-complete\">\r\n\r\n                <div class=\"zs12-complete-icon\">\ud83c\udf93<\/div>\r\n\r\n                <h3>Lesson Complete!<\/h3>\r\n\r\n                <p>\r\n                    Well done! You now understand market capitalisation\r\n                    and why investors use it when studying companies.\r\n                <\/p>\r\n\r\n                <div class=\"zs12-formula\">\r\n\r\n                    <div class=\"zs12-formula-main\">\r\n                        Market Cap = Share Price \u00d7 Shares in Issue\r\n                    <\/div>\r\n\r\n                    <div class=\"zs12-formula-sub\">\r\n                        Market capitalisation helps show the market value\r\n                        of a company's shares.\r\n                    <\/div>\r\n\r\n                <\/div>\r\n\r\n                <div class=\"zs12-highlight\">\r\n                    <strong>Key message:<\/strong><br>\r\n                    Market capitalisation helps you understand the size\r\n                    and market value of a company, but it should never be\r\n                    used alone to decide whether to invest.\r\n                <\/div>\r\n\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n\r\n        <div class=\"zs12-navigation\">\r\n\r\n            <button\r\n                type=\"button\"\r\n                class=\"zs12-btn zs12-prev\"\r\n                id=\"zs12Prev\">\r\n                \u2190 Previous\r\n            <\/button>\r\n\r\n            <div class=\"zs12-counter\" id=\"zs12Counter\">\r\n                1 \/ 10\r\n            <\/div>\r\n\r\n            <button\r\n                type=\"button\"\r\n                class=\"zs12-btn zs12-next\"\r\n                id=\"zs12Next\">\r\n                Next \u2192\r\n            <\/button>\r\n\r\n        <\/div>\r\n\r\n    <\/div>\r\n\r\n<\/div>\r\n\r\n\r\n<script>\r\n(function() {\r\n\r\n    const lesson = document.querySelector('.zs12-lesson');\r\n\r\n    if (!lesson) return;\r\n\r\n    const slides = lesson.querySelectorAll('.zs12-slide');\r\n    const nextButton = lesson.querySelector('#zs12Next');\r\n    const prevButton = lesson.querySelector('#zs12Prev');\r\n    const counter = lesson.querySelector('#zs12Counter');\r\n    const progress = lesson.querySelector('#zs12Progress');\r\n\r\n    let current = 0;\r\n\r\n    function showSlide(number) {\r\n\r\n        slides.forEach(function(slide, index) {\r\n\r\n            slide.classList.toggle(\r\n                'active',\r\n                index === number\r\n            );\r\n\r\n        });\r\n\r\n        counter.textContent =\r\n            (number + 1) + ' \/ ' + slides.length;\r\n\r\n        progress.style.width =\r\n            (((number + 1) \/ slides.length) * 100) + '%';\r\n\r\n        prevButton.style.visibility =\r\n            number === 0 ? 'hidden' : 'visible';\r\n\r\n        if (number === slides.length - 1) {\r\n\r\n            nextButton.style.display = 'none';\r\n\r\n        } else {\r\n\r\n            nextButton.style.display = 'block';\r\n\r\n        }\r\n\r\n        lesson.scrollIntoView({\r\n            behavior: 'smooth',\r\n            block: 'start'\r\n        });\r\n    }\r\n\r\n    nextButton.addEventListener('click', function() {\r\n\r\n        if (current < slides.length - 1) {\r\n\r\n            current++;\r\n            showSlide(current);\r\n\r\n        }\r\n\r\n    });\r\n\r\n    prevButton.addEventListener('click', function() {\r\n\r\n        if (current > 0) {\r\n\r\n            current--;\r\n            showSlide(current);\r\n\r\n        }\r\n\r\n    });\r\n\r\n    showSlide(current);\r\n\r\n})();\r\n<\/script>\n<p style=\"text-align: justify;\">When you look at companies listed on the stock market, you will notice that they are not all the same size. Some companies are much larger than others. One simple way investors compare the size of listed companies is through <strong>market capitalisation<\/strong>, often called <strong>market cap<\/strong>.<\/p>\n<p style=\"text-align: justify;\">Market capitalisation tells us the total market value of a company&#8217;s shares based on the current share price and the number of shares in issue.<\/p>\n<p style=\"text-align: justify;\">The calculation is simple:<\/p>\n<p style=\"text-align: justify;\"><strong>Market Capitalisation = <a href=\"https:\/\/www.zambiashares.com\/learn-investing\/lesson-11-share-price-explained\/\">Share Price<\/a> \u00d7 <a href=\"https:\/\/www.zambiashares.com\/learn-investing\/lesson-6-what-is-a-share\/\">Shares<\/a> in Issue<\/strong><\/p>\n<p style=\"text-align: justify;\">For example, imagine a company has 10 million shares in issue and each share is trading at K5. Its market capitalisation would be K50 million.<\/p>\n<p style=\"text-align: justify;\">If the share price later rises to K6, the market capitalisation would become K60 million, assuming the number of shares remains the same.<\/p>\n<p style=\"text-align: justify;\">But there is an important point beginners should understand: market capitalisation does <strong>not<\/strong> mean the company has that amount of cash in its bank account. It is a measure based on the market value of the company&#8217;s shares.<\/p>\n<p style=\"text-align: justify;\">Market capitalisation can help you compare the relative size of companies and understand where a company sits within the stock market. Investors sometimes use terms such as large-cap, mid-cap and small-cap when discussing companies of different sizes.<\/p>\n<p style=\"text-align: justify;\">However, market cap should never be the only thing you consider before investing. A company with a large market capitalisation is not automatically a better investment.<\/p>\n<p style=\"text-align: justify;\">In this lesson, you will learn how market capitalisation is calculated, why it changes, how to compare companies using market cap, and why you should combine it with proper company research.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When you look at companies listed on the stock market, you will notice that they are not all the same [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[9],"tags":[],"class_list":["post-152","post","type-post","status-publish","format-standard","hentry","category-understanding-shares"],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":"ZambiaShares.com","author_link":"https:\/\/www.zambiashares.com\/learn-investing\/author\/invstzmadmin\/"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/www.zambiashares.com\/learn-investing\/category\/stock-market-learning\/understanding-shares\/\" rel=\"category tag\">Understanding Shares<\/a>","rttpg_excerpt":"When you look at companies listed on the stock market, you will notice that they are not all the same [&hellip;]","_links":{"self":[{"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/posts\/152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/comments?post=152"}],"version-history":[{"count":0,"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/posts\/152\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/media?parent=152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/categories?post=152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zambiashares.com\/learn-investing\/wp-json\/wp\/v2\/tags?post=152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}