David H. Weis

David H. Weis (1942–2020) was a legendary market analyst, trader, and the leading modern authority on the Wyckoff Method. With nearly 50 years of experience, he was best known for adapting century-old technical analysis principles to modern financial markets through his books and specialized trading indicators.

Professional Legacy & Career
Wyckoff Authority: He is widely recognized as the primary practitioner and modernizer of Richard D. Wyckoff’s work.
Market Leadership:
Served as the Director of Technical Research for ContiCommodities, Inc. in the 1980s.
Edited the Elliott Wave Commodity Letter for Robert Prechter and published his own market letter, Technical Forces.
Educator: Conducted global seminars and workshops on price/volume analysis across North America, Europe, and Asia.

Key Contributions to Trading
The Weis Wave®: A unique technical indicator he developed that aggregates volume based on price trends, helping traders identify the true force of buying and selling.
"Trades About to Happen": Published in 2013, this book is considered the definitive modern guide to Wyckoff analysis.
Charting Expertise: He was a proponent of handmade charts and "reading the tape," focusing on:
Springs and Upthrusts: Failed breakouts that signal imminent reversals.
Effort vs. Result: Analyzing volume relative to price movement.

Notable Publications
Trades About to Happen: A Modern Adaptation of the Wyckoff Method (Wiley Trading).
Trading with the Elliott Wave Principle: A Practical Guide.