NoiseOriginally Posted by ;
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What Exactly Does Noise Mean?
Price and volume changes in the market that can confuse the interpretation of market leadership. Used in the context of equities, it is stock market activity brought on by program trading, dividend payments or other phenomena that is not reflective of overall market sentiment. Also known as market sound.
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Investopedia explains Noise
Generally speaking, the shorter time frame, the harder it is to separate the meaningful market movements from the noise. Noise traders try to take advantage of market sound by inputting buy and sell trades without the use of fundamental data.