Aggregate EPS Revision Momentum

Overview

Analyzes the aggregated rate of change in forward-looking earnings per share (EPS) estimates across major market indices. By monitoring whether analysts are upgrading or downgrading expectations, this pillar identifies fundamental momentum shifts before they reflect in asset prices.

What It Does

It aggregates bottom-up consensus estimates from thousands of analysts covering index constituents. It calculates the Revision Ratio (upgrades vs. downgrades) and the velocity of changes to the 12-month forward EPS. This data is normalized to detect structural pivots in market sentiment.

Why It Matters

Stock prices ultimately follow earnings power. When aggregate revisions turn positive, it signals a robust fundamental backdrop that supports bullish prediction market outcomes. Conversely, negative revision momentum is a leading indicator for market corrections and economic slowdowns.

How It Works

The system ingests daily consensus data for all companies in the target index (e.g., S&P 500). It computes a market-cap-weighted average of forward EPS. It then compares the current aggregate against 1-week and 4-week moving averages to determine the momentum score and directionality.

Methodology

Uses a market-cap weighted sum of constituent forward EPS (Next Twelve Months). Momentum is calculated as (Current Aggregate EPS / 4-Week Avg Aggregate EPS) - 1. Revision Breadth is calculated as (Up Revisions - Down Revisions) / Total Revisions over a rolling 5-day window.

Edge & Advantage

Earnings estimate revisions historically lead price action by 2-4 weeks, allowing traders to position for index-based prediction markets before the broader market fully prices in the changing fundamental reality.

Key Indicators

• 12M Forward EPS Consensus

  high

  The weighted average expected earnings for the index over the next year.

• Revision Breadth

  high

  The net percentage of analysts revising estimates up minus those revising down.

• Earnings Surprise Ratio

  medium

  Historical tendency of the index to beat or miss current estimates.

Data Sources

• FactSet / Refinitiv

  Primary aggregators of analyst consensus estimates.

• Earnings Scout Reports

  Weekly analysis of aggregate earnings trends.

Example Questions This Pillar Answers

• → Will the S&P 500 close above 5,200 by year-end?
• → Will the Nasdaq-100 post a positive return in Q3?
• → Will the US enter a technical recession before Q4?

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