Do earnings estimate revisions at the country level predict future country returns? We examine whether the one-month upward earnings estimate revision ratio (defined as the total upward earnings estimate revisions over the last month for all companies in a market divided by total number of earnings estimate revisions - both upward and downward in a market) is an indicator of future returns or a momentum indicator of what has just happened in the markets.


To answer this question, for each of the MSCI Developed and Emerging markets, we correlated the one-month upward earnings estimate revision ratio with the market returns over 7 periods using monthly data:

  • Previous 6 months
  • Previous 3 months
  • Previous month
  • Concurrent month
  • Next month
  • Next 3 months
  • Next 6 months.  


We cover 23 developed and 24 emerging markets as defined by MSCI. The study utilizes a database of one-month upward earnings estimate revision ratios and returns covering a 30-plus year period from January 1990 through March 2023 for most developed markets and from January 1992 through March 2023 for many emerging markets. The chart below shows the average correlation of one-month upward estimate revisions with market returns over the 7 different periods of time.


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The chart shows that the one-month upward earnings estimate revision ratio at the country level tends to be a proxy for a momentum factor – with analysts in aggregate basing their optimism or pessimism for earnings estimates on the market performance in the past. In other words, when markets have done well, analysts turn positive on company-level earnings estimates. The strongest correlation of the one-month upward earnings estimate revision ratio is with the performance of the market over the last 6 months.


These results suggest that markets are forward looking, and stock prices reflect future earnings prospects. Stock prices sense the improvement in the business prospects of companies and move up in anticipation, and in a similar manner stock prices sense the decline in outlook for company earnings and move down. Stock prices lead analyst behavior, and analysts possibly take their cues about future company performance from the recent behavior of stock prices.


The analysis is based on time-series data for each market. Nonetheless, in our experience in working with earnings estimate revisions at the country level for comparing markets, we have found that upward earnings estimate revisions tend to predict which markets will do well going forward cross-sectionally. In other words, markets with higher earnings estimates revisions tend to outperform markets where earnings estimates are being lowered. This is one of the factors in our country allocation framework. Based on this analysis, this investment factor should be placed in the Momentum category.


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