This screen finds stocks with a 4-week Relative Strength above 90, meaning their price gain over the last four weeks ranks in the top 10% of all stocks on the same exchange, which marks them as the strongest leaders. Relative Strength is a percentile ranking: a reading of 90 means the stock outperformed 90% of its peers. This is a one-month ranking that swing traders use to find stocks with fresh momentum. Do not confuse it with the RSI oscillator.
