
Zacks explains its Earnings ESP model, which compares the most recent analyst “Most Accurate Estimate” with the Zacks consensus and incorporates the Zacks Rank to flag likely earnings surprises; historically a positive ESP with a Zacks Rank of #3 (Hold) or better produced a positive bottom-line surprise 70% of the time and, in a 10-year backtest, roughly 28% annualized returns. The firm highlights Under Armour (UAA) — Zacks Rank #3, most accurate estimate -$0.07 vs. consensus -$0.08, ESP +15.74% ahead of its August 13, 2024 report — and MGM Resorts (MGM) — Rank #3, most accurate estimate $0.77 vs. consensus $0.66, ESP +15.35% ahead of July 31, 2024 — as examples of stocks with elevated odds of beating estimates. These positive ESP readings signal potential short-term upside into earnings and provide a data-driven filter for earnings-driven trading, though investors should weigh model limitations and other company- or macro-level catalysts.
Zacks' Earnings ESP model compares the Most Accurate Estimate to the Zacks Consensus and incorporates the Zacks Rank to quantify the percentage Expected Surprise Prediction; the model prioritizes analyst estimates issued closest to the report date on the premise they incorporate the most up-to-date information. Historical backtest cited in the article shows that a positive ESP combined with a Zacks Rank of #3 (Hold) or better produced a positive bottom-line surprise 70% of the time and delivered roughly 28% annualized returns over a 10-year period, supporting the model's utility for earnings-driven trading. Under Armour (UAA) and MGM Resorts (MGM) are highlighted as near-term examples: UAA (Rank #3) has a Most Accurate Estimate of -$0.07 versus a consensus of -$0.08 for an ESP of +15.74% ahead of its August 13, 2024 report, while MGM (Rank #3) shows a Most Accurate Estimate of $0.77 versus a $0.66 consensus for an ESP of +15.35% ahead of its July 31, 2024 release. These positive ESP readings indicate elevated odds of a beat and potential short-term upside into each company’s earnings print, but the metric is probabilistic and should be weighed alongside company guidance and other catalysts before trading.
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