Bart DiLiddo

Bart DiLiddo

Formal First Name

Dr. Bart DiLiddo is one of the leading investment experts in the world. For more than 30 years, he has been combining his business experience and mathematical expertise to develop powerful formulas to analyze the performance of individual stocks, measure their risk, and identify market tops and bottoms with industry-leading accuracy. Dr. DiLiddo is the creator and developer of the VectorVest system. Each year, thousands of successful global investors trust on his models to help them enjoy better than average returns, make fewer investing mistakes and build stronger portfolios in both good markets and bad.

Professional Experience

Academic History


  • A trained mathematician, VectorVest’s track record of remarkable success stems from Dr. DiLiddo’s conviction that mathematics could be used to analyze the performance of markets and of individual stocks.
  • He is a winner of The Wall Street Journal’s “Dart Board” stock selection contest. 


  • Dr. DiLiddo is a frequent host of investment conferences and financial forums.
  • He is a regular speaker at the American Association of Individual Investors meetings.
  • He has written for Investor Alliances magazine.

“If you study the right indicators, history patterns, and numbers behind a company, it will give you a great advantage and insight into its potential success or demise.”

Dr. Bart DiLiddo