The voyage to Asia was a gamble that ruined fortunes routinely. Ships rotted, crews died of scurvy, pirates took everything, monsoons drove vessels onto reefs no chart had recorded. The merchants of the Low Countries had been pooling money for individual expeditions for years, but those private partnerships dissolved the moment the ship returned, or didn't. What the States General of the Netherlands granted to the Vereenigde Oostindische Compagnie in 1602 was different. The VOC charter ran for twenty-one years and gave the company near-sovereign powers over Dutch trade in Asia. To finance something on that scale, a handful of wealthy partners would not do. The risk had to be sliced into pieces small enough that thousands of strangers would each shoulder a fraction, and each receive a fraction of the eventual profit. The piece was called a share.

Within months, shareholders began doing something the contract permitted but no one had quite anticipated: they sold their shares to other people. A widow needed cash. A merchant heard rumors about a ship lost off Java. Buyers thought the rumors were wrong. Inside the East India House, the company's official bookkeeper recorded each transfer in the capital book. Sellers and buyers walked in together, names were crossed out and rewritten, the secondary market in equities began to breathe. By the 1630s, professional brokers were taking small fees to find counterparties and guarantee the paperwork. Information was the edge. The fastest news from incoming ships, the most reliable gossip from the docks, the quietest tip from a sailor's brother — all of it had value, and all of it found its way into the bookkeeper's window.

In 1611 the city of Amsterdam built Hendrick de Keyser's exchange on Dam Square, a courtyard surrounded by colonnades where merchants could meet under cover. A municipal bylaw limited trading to one hour a day — eleven a.m. to noon, weekdays only. The restriction was less prohibition than design. Concentrating every buyer and every seller into the same sixty minutes created the thing markets need most: liquidity. You could be reasonably sure that if you walked into the courtyard with shares to sell, you would find someone willing to buy. The East India House sat a short walk away. The Exchange Bank, where transfers were settled, sat closer still. A trader could complete a sale, register it with the VOC, and move the money, all without leaving the neighborhood. Amsterdam had assembled, almost by accident, the full infrastructure of a financial center.

The exchange has moved several times since de Keyser's courtyard. Jan David Zocher built a Greek-temple-fronted hall on the Damrak in 1845. Hendrik Petrus Berlage's monumental red-brick Beurs replaced it between 1896 and 1903, a building so important to Dutch architectural history that it now stages concerts and exhibitions instead of trades. The current exchange moved next door to Beursplein 5 in 1914, and Princess Maxima opened a new trading floor there in October 2011. Across all four centuries, one address has moved a few hundred meters at most. The trading hours have stretched from a single hour to nearly the full business day. The instruments have grown from VOC shares to options, futures, ETFs, and the components of the AEX index. But the basic idea Amsterdam introduced in 1602 — that strangers can co-own a venture they will never see, mediated by a book, a building, and a circle of brokers — has scaled from a courtyard to the entire planet.

Today the Amsterdam exchange is Euronext Amsterdam, one of eight national markets in the pan-European Euronext group that formed in September 2000 when Amsterdam, Brussels, and Paris merged. The registered office of the parent company is here too, a quiet acknowledgment that whatever else has happened in four centuries of finance, this is where the first share was sold. Walking past Beursplein 5, most pedestrians have no idea what they are looking at. They are looking at the descendant of a market so old that when it began, William Shakespeare was still writing plays.