Stocks & Commodities V. 31:11 (8–9): Letters to S&C by Technical Analysis

Stocks & Commodities V. 31:11 (8–9): Letters to S&C by Technical Analysis
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Letters to S&C by Technical Analysis



I enjoyed Tom Bulkowski’s article “Trading Smiles And Frowns” (S&C, October 2013). I am uncertain of why he offset the 50-day moving average by 25 days. Could you explain why and also, what is meant by the term offset? If this explanation lies in one of Bulkowski’s books, I would look to that.


Author Tom Bulkowski replies:

This concept is discussed further in my book Swing And Day Trading: Evolution Of A Trader (Wiley Trading). Using a moving average helps you visualize the smile or frown. It has no trading significance.

As my October 2013 S&C article explains, you can push (offset) the moving average to the left to help line it up with price so that the smile or frown becomes obvious. To do this, use half the wavelength of the moving average. For example, if you’re using a 200-day moving average, then you would push it to the left by half that amount, or 100 days. That “offset” will properly line it up with price.



Azeez Mustapha’s August 2013 S&C article “Keep Your Portfolio Safe” has many gems of wisdom. It’s worth reading again and again.

Sudarshan Sukhani

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