: Percentage of analysts revising in the same direction.
The system is built on the principle that stock prices follow earnings. It identifies companies where brokerage analysts are raising their estimates, which often triggers institutional buying.
: The rank is determined by four main sub-scores:
: History of beating previous earnings expectations. Pros and Cons Predict price movement using 30+ years of accuracy
The is a proprietary, quantitative stock-rating system that focuses on earnings estimate revisions to identify stocks with high potential for short-term outperformance. Since 1988, this list of stocks has generated an average annual return of approximately +24% , more than double the S&P 500's return over the same period. Performance Review & Core Strategy
: ~24% vs. the S&P 500's ~11% (1988–2026).
: Difference between the most accurate estimate and the general consensus.
: Only about 5% of the over 4,000 stocks covered by Zacks earn the #1 (Strong Buy) designation.