McClellan Oscillator

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DEFINITION of 'McClellan Oscillator'

A market breadth indicator that is based on the difference between the number of advancing and declining issues on the NYSE. It is primarily used for short and intermediate term trading.

To calculate subtract a 39 day EMA (of advancing issues - declining issues) from a 19 day EMA (of advancing issues - declining issues).

Simplified, it looks as follows: (19 Day EMA of Advances - Declines) - (39 Day EMA of Advances - Declines)

INVESTOPEDIA EXPLAINS 'McClellan Oscillator'

Usually, a small number of stocks making large gains characterizes a weakening bull market. This gives the perception that the overall market is healthy, but in reality it isn't, as rising prices are being driven by a small number of stocks. Conversely, when a bear market is still declining, but a smaller amount of stocks are declining, an end to the bear market may be near.

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RELATED FAQS
  1. How do I use McClellan Oscillator for creating a forex trading strategy?

    The McClellan oscillator can be used in combination with additional exponential moving averages (EMA) to create a basic trend ... Read Full Answer >>
  2. What is a common strategy traders implement when using the McClellan Oscillator?

    Traders use the McClellan oscillator as a breadth indicator for swing trading or as a confirmation tool to evaluate the health ... Read Full Answer >>
  3. What are the major differences between the McClellan Oscillator and the McClellan ...

    The McClellan Oscillator is a popular market breadth indicator used to identify overbought and oversold conditions and highlight ... Read Full Answer >>
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