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On the Nigerian Exchange (NGX), market capitalisation is the market value of a company’s outstanding shares: multiply the number of shares outstanding by the current share price. It is a way to compare company size at a particular point in time—not a measure of profit, business quality, or investment safety.
What does market capitalisation mean on the NGX?
The NGX Glossary of Financial Terms defines market capitalisation as “the total market value of all of a company’s outstanding shares.” Its formula is outstanding shares multiplied by the current market price of one share.
In plain terms, the number estimates what all outstanding shares would be worth at the quoted share price. It is a market-price-based measure of a listed company’s size. NGX distinguishes it from sales and total assets; it is not itself a measure of earnings, cash flow, or operating performance.
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How do you calculate a Nigerian stock’s market cap?
Market capitalisation = outstanding shares × current share price
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For a hypothetical example, a company with 1 billion outstanding shares and a quoted price of ₦10 per share has an implied market capitalisation of ₦10 billion. This illustrates the arithmetic; it is not a current figure for an NGX-listed company.
Check the units before multiplying
Make sure the share price and share count use compatible units. A quoted price in kobo must be converted to naira if you want the result in naira; figures shown in thousands or millions of shares must also be scaled correctly. Record the date of the price and the share-count basis: a price observed today multiplied by an old share count may not represent the company’s current market capitalisation.
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Why does an NGX market-cap figure change?
Either input can change. If the share price moves while the share count stays the same, the implied market capitalisation moves with it. If the outstanding share count changes—for example, following a corporate action—the calculation can change even if the share price does not.
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Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →A price-driven change does not by itself show that the company’s operations improved or worsened. For comparisons over time, align the observation dates and check whether the share count changed. NGX’s Data Library provides market-capitalisation and shares-outstanding resources; the X-Factbook includes corporate-action history and company information that can help explain differences.
What market capitalisation can—and cannot—tell you
It can help indicate relative company size
Because it applies the share price to all outstanding shares, market cap gives investors a common market-value measure for comparing listed companies. The comparison is meaningful only when the dates, currency, units, and share-count basis are understood.
It cannot tell you whether a share is cheap or the company is strong
A larger market cap does not establish that a company is more profitable, has more assets, is fairly valued, or is a better investment. Market capitalisation is also not the same as enterprise value, book value, intrinsic value, or free float. Use separate company information—such as revenue, assets, and profit—when evaluating operating performance, and do not treat market cap as a substitute for those measures.
It does not show how many shares are readily tradable
Total market capitalisation is based on outstanding shares, not just shares available for public trading. NGX publishes public-float criteria separately from certain market-capitalisation thresholds in its listing requirements. A company’s total market cap therefore does not, on its own, establish its free float or trading activity.
It is not a guarantee of safety or returns
NGX notes that listed shares can rise or fall in value and that dividends vary among companies. Market-cap size alone does not establish that a share is liquid, safe, suitable for an investor, or likely to pay a dividend.
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Where to find NGX market capitalisation and shares outstanding
- Open the NGX Data Library and look for the market-capitalisation and shares-outstanding resources.
- Use the NGX X-Factbook for company profiles, five-year financial performance, corporate-action history, market statistics, and index performance information.
- For released financials, free-float deficiencies, listing-rule breaches, and other compliance information, consult the NGX X-Compliance Report.
- Before comparing figures, note each observation’s date, currency, units, share-price source, and share-count basis. Check corporate-action history if the share count may have changed.
How to compare two NGX companies or dates fairly
- Use matching dates: market price is time-sensitive, so compare figures from the same date or clearly identify different observation dates.
- Verify outstanding shares: check whether corporate actions altered the count used in the calculation.
- Standardise currency and units: confirm whether prices are in naira or kobo and whether share counts are reported in thousands, millions, or full shares.
- Keep distinct measures separate: compare market cap with market cap, and assess revenue, assets, profit, free float, and trading activity as separate measures.
NGX lists equities on Premium, Main, and Growth boards, as well as REIT and closed-end fund segments. Its listing requirements include market-capitalisation thresholds for some categories; where thresholds apply, the page says they are based on issue price and issued share capital. They are eligibility criteria at listing, not current market statistics or a judgment of business quality.
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