Larry Williams has been a trader and market researcher since the mid-1960s and is the author of numerous books and a speaker at major investment conferences throughout the world. Currently, his time is spent in full-time trading and research. Larry has created numerous market indicators, including the Williams % R, the Ultimate Oscillator, COT indicators, POIVI (a combination of price open interest volume accumulation indicators), and synthetic VIX indexes that have applications for all markets. He also pioneered the use of the Kelly ratio for money management. He has won the Robbins World Cup trading championship, increasing his position from $10,000 to over $1 million in real time using the Kelly ratio money management technique.