How to trade the markets by integrating Chaos Theory with market sentiment In the first edition of Trading Chaos, seasoned trader and psychologist Bill Williams detailed the potential of Chaos Theory-which seeks to make the unpredictable understandable-in trading and it revolutionized financial decision-making. The Second Edition of Trading Chaos is a cutting edge book that combines trading psychology and Chaos Theory and its particular effect on the markets. By examining both of these facets in relation to the current market, readers will have the best of all possible worlds when trading. Bill Williams, PhD, CTA (Solana Beach, CA), is President of Profitunity.com, a leader in the field of education for traders and investors. Justine Gregory-Williams (Solana Beach, CA) is President of the Profitunity Trading Group and a full-time trader.