: Size of the recent change in consensus estimates.
: ~24% vs. the S&P 500's ~11% (1988–2026).
: The rank is determined by four main sub-scores: zacks rank 1 strong buys
: History of beating previous earnings expectations. Pros and Cons Predict price movement using 30+ years of accuracy
: Difference between the most accurate estimate and the general consensus. : Size of the recent change in consensus estimates
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.
: Ratings are updated daily and are most effective over a 1 to 3 month holding horizon. zacks rank 1 strong buys
: Percentage of analysts revising in the same direction.