How AT50 Market Breadth Extremes Shape S&P 500 Performance
Market breadth is my preferred technical indicator for understanding short-term price action in the stock market. I track breadth using AT50, shorthand for “Above the 50,” which measures the percentage of stocks trading above their 50-day moving averages (DMAs). AT50 becomes most meaningful at its extremes. Readings below 20% define oversold conditions that historically create … Read more




