The Dutch accidentally invented the stock market in 1602
The VOC was chartered to trade spices with Asia. Its funding model, a joint-stock structure with tradable shares, turned out to be more important than the spices.
On March 20, 1602, the Dutch States General chartered the Vereenigde Oost-Indische Compagnie (VOC), usually called the Dutch East India Company in English. Its purpose was to consolidate the Dutch Asian trade so that competing merchant groups would not drive each other out of business in the spice markets. That much is ordinary.
The extraordinary part was the funding structure. The VOC raised capital by selling shares to the public. Any resident of the Dutch Republic who could afford it could subscribe. About 1,143 investors contributed over six and a half million guilders in the first round. Most importantly, the shares could be transferred. If you wanted out, you could sell your position to someone else without consulting the company.
What tradability made possible
Earlier merchant ventures had pooled capital for single voyages. When the ship came back, the partnership dissolved and everyone settled up. The VOC was permanent. Its capital stayed in the business indefinitely. If you needed your money back, you sold your share to another investor. The company itself never had to repay anyone. The accounting method that made this auditable had been published in Venice a century earlier.
This is what modern stock ownership actually is. Your shares in Apple do not obligate Apple to give you your money back. If you want out, you sell to someone else. The VOC is where that model started.
The Amsterdam Bourse
A dedicated exchange building for trading VOC shares, the Amsterdam Bourse, opened in 1611. Within a few years it had all the components of a modern stock market: formal trading hours, professional brokers, derivatives (options and futures on VOC shares), and short-selling. Isaac Le Maire, a founding VOC shareholder who had been pushed out in a governance dispute, ran the first recorded organized bear raid on the stock in 1609. The Dutch government banned short-selling in response in 1610. That ban is roughly as old as short-selling itself.
Every modern stock market descended from this one. The technology and the regulations have evolved, but the basic bargain (put capital in, get a transferable claim on future profits) has not changed in over four hundred years. The Tulip Mania of 1637 happened on this exchange, twenty-five years later.