Volume Spread Analysis (VSA) is a sophisticated trading methodology that analyzes the relationship between price, spread, and volume to identify the activity of "smart money"—large institutional traders. Originally developed by Richard Wyckoff and later refined by Tom Williams, VSA moves beyond lagging indicators to read the market's internal supply and demand dynamics. Core Components of VSA

Successful VSA trading is built on these foundational principles:

Reveals which side—buyers or sellers—won the battle for that specific period. The Three Fundamental Laws of VSA