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Graham is correct. You have to use a chart of the shortest timeframe.
If you want to show 5 and 15 minute data you will have to plot it on
a 5 minute chart. You cannot plot 5 minute bars on a 15 minute chart.
I use something like this so I can switch between charts without
having to change the code. The example assumes the longer period is
three times the chart interval. It calculates a MACD and Stoch in a
timeframe 3 times the current chart interval.
// Timeframe calculations
tf = Interval() / 60; // interval is in seconds
tfp = tf * 180; // chart interval * 3 * 60seconds
TimeFrameSet(tfp);
MacdTf = MACD(r1, r2);
tfStoch = StochK( StoPer, Kper);
TimeFrameRestore();
MacdTfe = TimeFrameExpand(MacdTf, tfp);
tfeStoch = TimeFrameExpand(tfStoch, tfp);
plot it as usual but expect to see the 15 minute plot to be flat for
three 5 min bars. The current bar can change but the previous lines
will be flat for three bars for each 15 minute period.
This part of you code doesn't make sense:
> C5=Ref (C,1); this is looking ahead 1 bar. Is that what you want to
do? You can do that but not from the current bar. And your other
calculation is not looking from a previous period. That will give
unexpected results.
> BuyPrice = TimeFrameExpand (C5,in5Minute);
> Buy = C>1.45;
> Sell=C>50;
You got the 15 min BuyPrice but don't use it in the next 2 lines. Do
you want the 5 minute C to be > BuyPrice + 1.45?
A buy of C>1.45 does not make sense compared to a sell of C>50. You
will have a buy on all bars C>1.45 and then a sell on all bars with
C>50. A cross function makes more sense but since I can't see the
rest of your code all this may be fine.
Barry
--- In amibroker@xxxxxxxxxxxxxxx, "Louis Préfontaine"
<rockprog80@xxx> wrote:
>
> Hi,
>
> I tried this as a test but it doesn't work well:
>
> //SetTradeDelays( 1, 1, 1, 1 );
>
> TimeFrameSet (in5Minute);
>
> C5=Ref (C,1);
>
> TimeFrameRestore();
>
> BuyPrice = TimeFrameExpand (C5,in5Minute);
> Buy = C>1.45;
> Sell=C>50;
>
> All my signals are based on 15-minute bars but I do have 5-minute
bars in
> the database. What I am trying to do is simply set the buyprice
not as the
> close of the 15-minute bar, but as the close of the next 5-minute
bar...
>
> Louis
>
>
>
> 2008/6/20 Louis Préfontaine <rockprog80@xxx>:
>
> > Hi,
> >
> > I mean, if I work with 15-minute bars, wouldn't it be simply more
> > complicated to use 5-minute bars and then timeframeexpand every
single rule
> > but this particular buyprice?
> >
> > Thanks,
> >
> > Louis
> >
> > 2008/6/20 Louis Préfontaine <rockprog80@xxx>:
> >
> >> Hi,
> >>
> >> Is it possible to do the opposite? Or, if I use 15-minute bars
(but my
> >> database is in 5-minute bars) to set the buyprice at the Close
of the first
> >> of the three 5-minute bars?
> >>
> >> Thanks,
> >>
> >> Louis
> >>
> >> 2008/6/20 Graham <kavemanperth@xxx>:
> >>
> >> You have to set your base time period to 15 minute and use 1
hour
> >>> timeframe over it
> >>>
> >>> --
> >>> Cheers
> >>> Graham Kav
> >>> AFL Writing Service
> >>> http://www.aflwriting.com
> >>>
> >>> 2008/6/20 Louis Préfontaine <rockprog80@xxx<rockprog80%
40gmail.com>
> >>> >:
> >>>
> >>> > Hi,
> >>> >
> >>> > If this is not possible, I'd like to be able to set a %
adjustment that
> >>> > depend on the price and liquidity of the stock. I used to set
a 1%
> >>> > adjustment, but 1% of 50$ is 0.5, and no way there would be
0.5
> >>> difference
> >>> > between signal and when I buy. On the other side, 1% of 1$ is
0.1, so
> >>> it
> >>> > may not be enough... Anybody thought about this?
> >>> >
> >>> > Louis
> >>> >
> >>> > 2008/6/19 Louis Préfontaine <rockprog80@xxx<rockprog80%
40gmail.com>
> >>> >:
> >>> >>
> >>> >> Hi,
> >>> >>
> >>> >> I am using 1-hour bars and wouldn't like to set my buyprice
or
> >>> sellprice
> >>> >> at the Close of the first 15-minute bars after the signal. I
toyed
> >>> with
> >>> >> timeframe but still not sure how to do this.
> >>> >>
> >>> >> If anyone know how to do this; this shouldn't be complicated.
> >>> >>
> >>> >> Thanks again!
> >>> >>
> >>> >> Louis
> >>>
> >>>
> >>
> >>
> >
>
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