Ekonos.

Ekonos is a strategy game that uses very accessible mechanics to simulate the Stock Market and its relationship with the real value of companies. While it has an interesting educational aspect, Ekonos is first and foremost a game designed for fun.

Learning to play is very easy and requires no prior knowledge of economics. It is an intelligent and educational pastime, ideal for groups of 3 to 6 players, with dynamic games lasting around one hour.

Here you have the game ready to print and play with English (and Spanish) rules.

The instructions to do it yourself are here.

For those who do not have time, you can buy it already made in ludic.net.