Market Breadth Indicators: AI Analysis of Advance-Decline Lines and Internals
2026-03-28 · Technical Analysis
Market breadth tells you what the indices cannot — whether a rally or decline is broad-based or narrow.
Advance-Decline Analysis
The NYSE advance-decline line diverging from the S&P 500 has preceded every major market top in the past 50 years.
New Highs vs New Lows
The ratio of stocks making 52-week highs versus lows reveals the market's underlying strength.
Percentage Above Moving Averages
When fewer than 20% of stocks trade above their 200-day moving average, markets are oversold.