The Sentiment-Performance Divergence Framework – October 8, 2026

By LaRue Gibson on October 9, 2026

Semi-Monthly Brief

William Shakespeare famously quipped “What Is Past Is Prologue.”  Success in most endeavors, including investment markets, requires an understanding of historical antecedents and learning from their implications for the future. Perhaps you know the phrase “Those who fail to learn from history are destined to repeat it.”  We prefer to apply what has come before to improve the probability of success and reduce the chances of failure. “This time is different” remain the four most dangerous words in investing. Reviewing history, through statistical data, may help improve opportunity while possibly reducing the likelihood of disaster.

What Is the Sentiment-Performance Divergence Framework?

The Sentiment-Performance Divergence Framework measures the gap between actual market performance and the level of bullish sentiment that performance would historically justify. Rather than treating sentiment in isolation — where a high percentage of bulls is assumed to be universally bearish — we evaluate sentiment in context. When performance outpaces sentiment, it signals that a wall of worry remains intact and uncommitted capital sits on the sidelines. When sentiment outpaces performance, it signals complacency and diminished buying power.

We publish this brief bi-monthly to report the current quintile reading across three trailing regimes (63-day, 125-day, and 250-day) and the expected forward performance those readings have historically produced. For the complete methodology, definitions, scatter plots, and full quintile tables, we invite you to read the foundational paper: Past Is Prologue: The Sentiment-Performance Divergence Framework, available on our blog at LRG Wealth Advisors

Current Readings as of October 6, 2026

As of October 6, 2026, the Investors Intelligence survey reports 56.9% of advisers as bullish. The S&P 500 closed at 7,818.93 and delivered a trailing 63-day return of +4.5%, a trailing 125-day return of +15.3%, and a trailing 250-day return of +16.4%.

The Divergence Framework registers the following quintile readings:

The signals are mixed: 63-day Q2 (39th percentile) is moderately cautionary, 125-day Q4 (75th percentile) is moderately constructive, and 250-day Q3 (51st percentile) is neutral. The 63-day regime remains the framework’s strongest historical forward signal.

The 63-day return of +4.5% falls below the +5.96% associated with 56.9% bulls by 1.47 percentage points. The 125-day return of +15.3% exceeds its estimate by +5.71 points; the 250-day return of +16.4% is +0.68 points above its estimate.

The Regression Line Graphics

63-Day(3-Month) Trailing Performance vs. Bullish Sentiment

The current reading sits moderately below the regression line, placing it in Q2. The market’s 3-month trailing return of +4.5% falls short of what 56.9% bulls would historically predict by 1.47 percentage points.

The current reading sits moderately above the regression line, placing it in Q4. The 6-month trailing return of +15.3% exceeds the sentiment-implied return by +5.71 percentage points.

The current reading lies close to the regression line, placing it in Q3. The 12-month trailing return of +16.4% differs from the sentiment-implied return by only +0.68 percentage points.

Expected Forward Performance

The table below presents the historical forward performance for each current quintile reading, compared against the unconditional rolling average (what the market has delivered at any random point since 1963):

63-Day Trailing Regime — Quintile 2 (Current Reading)

When the 63-day trailing regime registers Q2, historical forward median returns and win rates fall below the rolling averages across all three measured horizons. At the 250-day forward horizon, the median return has been +8.55% versus +10.62%, with a 73.5% win rate versus 74.9%.

125-Day Trailing Regime — Quintile 4 (Current Reading)

The 125-day Q4 reading has a mixed near-term history: its 63-day median return is +2.23% versus +2.64%, while its win rate is 67.2% versus 66.8%. At the 125- and 250-day forward horizons, both median returns and win rates have been above their rolling averages.

250-Day Trailing Regime — Quintile 3 (Current Reading)

The 250-day Q3 reading has historically shown forward win rates above the rolling average across all three measured horizons, but median forward returns below their rolling averages at each horizon. The balance of the two measures is important when interpreting this neutral reading.

Summary

 The 63-day regime — the framework’s strongest predictor — remains moderately cautionary at Q2. Its historical forward median returns and win rates have been below rolling averages at all three horizons.

The 125-day reading is moderately constructive at Q4. Its six- and 12-month forward medians and win rates have historically been above their rolling averages, while the next 63-day median has been slightly below baseline and its win rate slightly above.

The 250-day Q3 reading is neutral: its historical forward win rates have been above baseline at all three horizons, but median returns have been lower.

Taken together, the framework gives a mixed signal: near-term caution, a constructive medium-term reading, and approximate balance at the 12-month trailing horizon. These historical associations are not forecasts or guarantees.

We invite your reactions, thoughts, and questions. Take good care.

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