+DI -DI calculation

Discussion in 'Technical Analysis' started by pp7, May 27, 2006.

  1. pp7


    Hi everyone,
    I'm having some trouble understanding how to calculate the +DI and -DI values from the Directional Movement Index indicator. The explanation below explains things quite well except when it gets to the PlusDMsum = previous PlusDMsum ..... etc. What do I use to calculate the first PlusDMsum?? Or can someone provide a better explanation of how to calculate this indicator properly? Thanks.
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  2. cnms2


    Maybe this will help.