I have found over the years that if the relative strength for your sector, stock, or ETF is positive, i.e. overweight, surprises, if any tend to be on the positive side.
Today's category is ETF's: Non-U.S Developed World. A downloadable Microsoft Excel Spreadsheet is linked to below picture, with all non-US developed world ETFs. and includes Underweight, and Market Perform as well.
To download a Microsoft Excel Spreadsheet Click HERE!