[amibroker] Blau's Tick Volume Index

["l_abarr" <l_abarr@xxxxxxxxx>]

Hi,

Does anyone know how to code William Blau's Tick Volume Indicator?
Blau defines TVI in this manner:

TVI (r,s) = [Double EMA(upticks,r,s)-Double EMA(downticks,r,s)]/
[Double EMA(upticks,r,s)+Double EMA(downticks,r,s)]

I really appreciate help from anyone. I'm obviously poor at coding...



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