vishaljvora 5 posts msg #133338 - Ignore vishaljvora | 
12/20/2016 11:32:44 PM
  I found this at tc2000 forums. Can one of the more knowledgeable folks help convert it ?
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 IBD's "Relative Strength" Indicator - however, it would seem it isn't a Relative Strength at all. It is actually an average of the 3-Month, 6-Month, 9-Month and 12-Month Price Percent Changes with the 3-Month Percent Change having twice the weight of the other three Price Percent Changes.
 
 40 * C / C63 + 20 * C  / C126 + 20 * C / C189 + 20 * C / C252 - 100
 
 My understanding is that IBD then displays the percentile rank of this value relative to other symbols.
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 ((((C – C63) / C63) * .4) + (((C – C126) / C126) * .2) + (((C – C189) / C189) * .2) + (((C – C252) / C252) * .2)) * 100
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