Guest article written for AllAboutAlpha.com – the official publication of the Chartered Alternative Investment Analyst (CAIA) Association originally posted at: http://allaboutalpha.com/blog/2011/10/03/alpha-hunters-craig-donohue-on-the-secrets-of-futures-options-exchanges/ The concept underpinning financial exchanges can be traced back through much of human history. In Aristotle’s Politics, “…there is the anecdote of Thales and his financial device…. he knew…