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ct = close at time t (current time periods close), ct-1 = close at time
t-1 (also known as yesterdays close).
Harley
Lionel Issen wrote:
> Harley:
>
> I'm missing something, what is ct supposed to be?
>
> Lionel Issen
>
> At 11:39 PM 2/14/98 -0600, you wrote:
> >> I am trying to write a formula for System Tester to generate
> >> a Sell when a bar crosses a moving average but does not close
> below,
> >> on a
> >> long trade,
> >
> > MA > low and close > MA
> >
> >> the Sell has to be calculated at the price the bar intersects
> >> the Moving Average eg: I set a stop at the Moving Average that
> >> triggers if
> >> the stock trades below at any time during the day, even if it ends
> >> higher
> >> at the close of days trade. Is this possible, if so I would
> appreciate
> >>
> >> anyone who could give me pointers on writing this formula. Philip W
>
> >> Bell -
> >> London U.K.
> >
> > Actually what you really need to do is solve for the close in your
>
> >moving average. And then shift it forward 1 time period. Here is an
> >example using a 3 day MA as your signal.
> >
> >So if close < (ct + ct-1 + ct-2)/3 then sell where the close on the
> left
> >side is really the last price traded and is the same as ct. So we
> solve
> >for ct.
> >
> >ct > (ct-1 + ct-2)/2 note: (ct-1 + ct-2)/2 =
> ref(move(close,2,s),
> >-1)
> >
> >now shift everything forward 1 time period
> >ct+1 > (ct + ct-1)/2 note: (ct + ct-1)/2 = move(close,2,s)
> >
> >So the number on the right side is the value you use to check during
> the
> >day to see if it is penetrated or not.
> >
> >I hope that makes since.
> >
> >Harley
> >
> >
> >
> >
> >
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