The idea of the future markets was because of the fluctuating rice supply in Japan during the 17th century. https://www.investopedia.com/terms/d/dojima-rice-ex

The idea of the future markets was because of the fluctuating rice supply in Japan during the 17th century. https://www.investopedia.com/terms/d/dojima-rice-exchange.asp https://www.investopedia.com/terms/d/dojima-rice-exchange.as...