Models updated as of December 19, 2025

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Aggregate Market Value Index


CMV Aggregate Index Score - Speedometer Chart
Currently Strongly Overvalued

Updated December 19, 2025. The Aggregate Market Value Index model (AMVI) is a composite index of several of our market valuation models, providing a high-level view of current US stock market prices relative to historical valuation trends. This provides an idea of how overbought or oversold the market may be. The model is updated at least weekly.

While the intention is to present a view of overall market valuation, and therefore a signal as to market upside or downside, this is not a short term trading model. Markets can stay extremely under or over valued for long periods of time. Trying to time the market, even using long term business cycles such as this, has historically underperformed a buy-and-hold investment strategy.

Performance Return Horizons

AMVI Model Correlation w/S&P 1-Month Returns

  • Scatterplot shows no clear pattern.
  • On a scale of 0 to 1.00, the R-squared regression value is 0.01.
  • Conclusion: There is absolutely no correlation at all between AMVI model score and subsequent 1-month S&P500 returns. This model has zero information about stock market returns 1 month out.

AMVI Model Correlation w/S&P 3-Month Returns

  • Scatterplot shows no clear pattern.
  • On a scale of 0 to 1.00, the R-squared regression value is 0.02.
  • Conclusion: There is absolutely no correlation at all between AMVI model score and subsequent 3-month S&P500 returns. This model has zero information about stock market returns 3 months out.

AMVI Model Correlation w/S&P 1-Year Returns

  • The scatterplot shows a very slight diagonal band of points, suggesting a trend is developing.
  • There remain many data points in all four quadrants of the scatterplot.
  • On a scale of 0 to 1.00, the R-squared regression value is 0.08.
  • Conclusion: There is very little correlation between the AMVI model score and subsequent 1-year S&P500 returns.

AMVI Model Correlation w/S&P 3-Year Returns

  • A slight trend is visible in the scatterplot.
  • There are very few points in the lower left quadrant, showing it is quite rare for the model value to be below historic trend (less than 0), and for subsequent 3-year returns to be negative. Whereas negative returns are very frequent when model score is > 0.
  • On a scale of 0 to 1.00, the R-squared regression value is 0.22. This is still quite small.
  • Conclusion: There is some correlation between the AMVI model score and subsequent 3-year S&P500 returns.

AMVI Model Correlation w/S&P 5-Year Returns

  • A clear trend is visible in the scatterplot.
  • Almost all negative returns (left half of scatterplot) are from periods where model was at least slightly overvalued (model scores > 0).
  • Even so, important to note that periods of lowest and highest 5-year returns came after relatively neutral model scores.
  • On a scale of 0 to 1.00, the R-squared regression value is 0.37.
  • Conclusion: There is moderate correlation between the AMVI model score and subsequent 5-year S&P500 returns.

AMVI Model Correlation w/S&P 10-Year Returns

  • A clear trend is visible in the scatterplot.
  • Every single instance of negative 10-year returns (left side of scatterplot) occurred when AMVI model was well above zero, and in almost every case > 1, showing Overvalued or Strongly Overvalued model scores.
  • Likewise, every single instance of model undervaluation (> 1 standard dev below trend) was followed by very strong subsequent 10-year returns.
  • Note, however, that the strongest instances of 10-year returns (rightmost points on scatterplot) came after model was only very slightly undervalued.
  • On a scale of 0 to 1.00, the R-squared regression value is 0.58.
  • Conclusion: There is moderately strong correlation between the AMVI model score and subsequent 10-year S&P500 returns.

Model Summaries

A quick visual update on each of our tracked models is below. The colored gauge represents a normal distribution curve - E.g., a model should be within +/- 1 standard deviation of its historical trend (considered to be Fairly Valued), about 66% of the time, reflected as the central gray area. Our Ratings Guide has more information.

NOTE: The Sahm Rule and State Coincidence Index models rely on data from federal statistical agencies that are unavailable because of the federal government shutdown. Updates to those models are delayed.

Model Updated Rating Score Next Update
Valuation Models
Buffett Indicator Dec 19 Strongly Overvalued 2.44
Dec 27
Price/Earnings (CAPE) Dec 19 Strongly Overvalued 2.25
Dec 27
Price/Sales Dec 19 Strongly Overvalued 2.50
Dec 27
Interest Rate Model Dec 19 Overvalued 1.73
Dec 27
S&P500 Mean Reversion Dec 19 Strongly Overvalued 2.30
Dec 27
Earnings Yield Gap Dec 19 Fairly Valued 0.40
Dec 27
Recession Models
Yield Curve Dec 19 Very High 2.56
Dec 27
Sahm Rule Nov 30 Normal N/A
Jan 09
State Coincidence Sep 30 Normal 0.48
Jan 03
Sentiment Models
Margin Debt Nov 30 Optimistic 1.08
Jan 24
Junk Bond Spreads Dec 19 Neutral 0.91
Dec 27
VIX Index Dec 19 Neutral -0.32
Dec 27
Economic Uncertainty Index Dec 19 Pessimistic 1.74
Dec 27
Consumer Confidence Dec 19 Very Pessimistic -2.60
Dec 27

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