[amibroker] How does AB calculate ADX for a mutual fund

["billbarack" <wbarack@xxxxxxxxxxx>]

Tomasz,

I'm asking this here because I thought there might be a general 
interest in your answer.

If I recall correctly, ADX is calculated using the positive and 
negative directional movement indicators which use both yesterday's 
and today's high, low and close. Since a mutual fund has only one 
price a day,

Question 1: For a mutual fund where today's price is higher than 
yesterday's, does AB use yesterday's close as the low for today and 
the close today for both the high and the close in its calculation? 
(and for yesterday's values, use the close two day's ago as the low 
and yesterday's close for the high and the close).

Question 2: Then if I'm looking at a weekly (same question for a  
monthly chart), does AB use the close one week ago and the close 
today as in question 1 above? Or does AB find the maximum and the 
minimum for the week and use them as the respective high and low in 
the calculation of ADX?

Thank you,

Bill 





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