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Is this what you are looking for ?
RateOfChange = ( ( C-ref(C,-1) )/ref(C,-1) ) - ( ( ref(C,-1) - ref(C,-2) )
/ref(C,-2) );
Cheers,
Graham
http://groups.msn.com/ASXShareTrading
http://groups.msn.com/FMSAustralia
-----Original Message-----
From: sidleysh [mailto:steves@xxxxxxxxxxx]
Sent: Thursday, 25 September 2003 4:13 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] rate of change/acceleration
I am trying to find a way to find out whether, and how much, a chart
has accelerted over the previous period. This is not ROC, but more
true 'rate of change' in a differential calculus sense.
IN other words - if diff between close today snd close yesterday >
close yesterday and the day before, then the close prices are
ACCELERATING up over the last 3 days.
Can anyone think up a general way to code this?
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