Nasdaq McClellan Oscillator & Summation Index
The Nasdaq McClellan Oscillator is a breadth-based indicator that measures the difference between a 39 and 19 day exponential moving average of the net differential of NASDAQ advancing issues minus declining issues. The chart below is ratio adjusted. Generally, the oscillator moves between +50 (overbought) and -50 (oversold). Buy signals come when the oscillator is in oversold territory and makes a series of higher lows while price makes a series of lower lows, while sells come when the oscillator is in overbought territory and proceeds to make a series of lower highs while price manages higher highs.

Nasdaq McClellan Oscillator & Summation Index

The Nasadq McClellan Summation is a longer-term version of the McClellan Oscillator and is more suited to major trend reversals. It is calculated by simply keeping a running total of the Nasdaq McClellan Oscillator. A rising Summation Index indicates the overall breadth trend is bullish, which should correspond with generally rising prices, while a falling Summation Index indicates negative breadth trend and generally coincides with a steadily falling market.

Nasdaq McClellan Oscillator & Summation Index