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Lesson 1 of 5 ยท 6 min read

How does the stock market work?

The stock market is a giant marketplace where buyers and sellers of shares come together.

A marketplace for ownership

On a stock exchange (such as Euronext Amsterdam or the NASDAQ), shares of listed companies are traded. Every second, buyers and sellers are matched at a price both agree on. That last price is the quote.

spread99.999.899.799.699.5100.1100.2100.3100.4100.5bidsasks
The order book: buy orders (bids) versus sell orders (asks).

Primary vs. secondary market

In an initial public offering (IPO), the company itself sells new shares to raise money โ€” the primary market. After that, investors trade those shares among themselves on the secondary market; the company no longer receives that money. Most trading is secondary.

Primary (IPO)Companyinv. ASecondary (exchange)ABtrade among themselves
Primary market = the IPO; secondary market = investors trading among themselves.

Supply and demand set the price

No one 'sets' the price. If more people want to buy than to sell, the price rises; the other way around, it falls. The price reflects the collective expectation of all investors about the company's future.

spread99.999.899.799.699.5100.1100.2100.3100.4100.5bidsasks
The order book: buy orders (bids) versus sell orders (asks).

Remember this

  • The stock market is a marketplace where buyers and sellers are matched; that last price is the quote.
  • In an IPO the company raises money itself (primary market); afterwards investors trade among themselves (secondary).
  • On the secondary market the company no longer receives the money.
  • Supply and demand set the price, which reflects the collective expectation.

There is a quiz for this lesson

3 questions that check whether it stuck. They live in the app, because a quiz nobody grades teaches nothing.

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How does the stock market work?