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# Gann's Square Of Nine

12/18/03 09:10:16 AM PST

*by Gary Goldberg*

*Whether you call it Gann's square of nine or something else, it holds secrets to the greatest mystery in mathematics -- the distribution of prime numbers.*

**Gary Goldberg**

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If ever there was a bit of trading mumbo-jumbo that I counted as not worth thinking about, it was W.D. Gann's square of nine. How could I bother with century-old jargon about prices vibrating off each other, square-outs of time, prices related to degrees of a circle, producing a mystical numerology that purports to give exact dates on which particular prices must be reached? Nonetheless, I decided to make another attempt to understand it when Jeff Cooper, a trader whom I (otherwise) respect, described his use of the Gann square in a RealMoney.com article. Something in the article jogged my memory, and it was then that I realized Gann's square of nine is in fact known to mathematicians in a context totally unrelated to the stock market. To mathematicians, the square of nine is known as
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