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The Velocity of Close should be
Vc=dC/dt
and the acceleration
g=dVc/dt
The minimum dt for daily data is 1 bar, ie
Vc=dC
g=dVc
In AFL
Vc=C-Ref(C,-1);
g=Vc-Ref(Vc,-1);
Plot(g,"g",1,1);
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "sidleysh" <steves@xxxx> wrote:
> 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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