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how about look up some afl functions like cross() and plot()?
buy = cross(C, ema(c,20)...
plot(ema(c,50)...
--- In amibroker@xxxxxxxxxxxxxxx, "xu_ningning2000"
<xu_ningning2000@xxx> wrote:
>
> Okay, I am a novice in programming.
>
> I know Amibroker provides MA/EMA/WMA for daily calculation using
> pre-defined parameters like "close". (I get that from examples)
>
> Let's take ema for example:
>
> Syntax: ema (array, periods)
>
> How can I express the following idea:
>
> buy stock when current stock price is greater than current intraday
> ema(??, 50)?
>
> Or how to print the current intraday ema(20) and ema (50) for my
> reference?
>
> thanks a lot
>
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