1+2+1+1: Electronic Trading and Market Algorithms
When you think of stock or commodity market trading you probably picture large crowds of traders shouting and gesturing at each other. That was known as the open outcry system. It is still what I picture and was the norm when I got into this business 30 years ago. Open outcry has been on the decline for 15 years and is now dead as disco. The evolution of electronic trading roughly follows the course below.
