About Us


Bill Erman

William T. Erman is the founder and president of Ermanometry Research. After graduation from Harvard University in 1951, he served in the US Army during the Korean War. After involvement in various business endeavors, he developed an interest in harmonious patterns he perceived in all freely traded markets. He has now been analyzing market movements for over thirty five years.

Mr. Erman's techniques and concepts have been published in both technical journals and general-interest newspapers, including: Stocks and Commodities Magazine, The Trader's Journal, The Bridge Trader, and The Atlanta Constitution. He is currently completing his book "The Perfectly Patterned Stock Market" which reveals his stunningly original and accurate approach to trading and market timing.

Mr. Erman is a native of Chicago, Illinois, and currently resides in Nashville, Tennessee.