Market Breadth Indicators: AI Analysis of Advance-Decline Lines and Internals

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.