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Yes, but if what you want is a one year chart that can switch between
1 minute and higher, then you just set up one database. I hardly
think you need 500000 one day bars as that would be 2000 years.
BR,
Dennis
On Mar 22, 2009, at 8:38 PM, louies88 wrote:
> So if I want a 5-minute chart w/ 500000 bar (or however long that AB
> possibly can handle), I need to set up a new database. And that goes
> for a 15-minute, a 30-minute and hourly chart? Essentially, to get
> all the possible timeframes I need to set up that many databases.
> Hm..I find that too cumbersome. Since everytime I need to go to a
> different time frame I have to activate a different database. I'm
> not sure if I follow you on this one.
>
>
> Thanks for the help
>
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, Dennis Brown <see3d@xxx> wrote:
>>
>> No, The 500000 is ticks and it will never be anything but ticks. You
>> get a weeks worth of ticks. That gives you a weeks worth of hours or
>> a weeks worth of days when aggregated by AB. To get more, you need a
>> new database that is based on minutes, or days.
>>
>> I won't go into mixed EOD mode because there are significant problems
>> in dealing with a mixed database. I won't use that for myself.
>>
>> BR,
>> Dennis
>>
>> On Mar 22, 2009, at 7:32 PM, louies88 wrote:
>>
>>> Hello Dennis
>>>
>>> Ok..say I'm going by the ticks, and that gives me a week worth of
>>> data. Now, if I switch over to the hourly chart, that would give me
>>> the equivalent of the week worth of data in terms of ticks. In other
>>> word, say a week of tick data is 500000. When I switch over to the
>>> hourly chart, that would give me 500000 hourly bar? And when I
>>> choose the daily chart, that would also give me 500000 daily bars,
>>> or however long the data in existence is. Do I understand that
>>> correctly? If that's the case, then I'm not getting that much data.
>>> When I initially set the database at 500000 on the tick or 1-minute
>>> basis, I'm getting a lot of data--which is fine w/ me. However, as
>>> soon as I'm switching over to a longer time frame, say hourly or
>>> daily, I'm not getting as much. In fact, on the daily chart, I'm
>>> getting somewhere between 10 days to 15 days max.
>>>
>>> --- In amibroker@xxxxxxxxxxxxxxx, "murthysuresh" <money@> wrote:
>>>>
>>>> iqfeed gives you tick level data. so you can go as microscopic as
>>>> you want to.
>>>> --- In amibroker@xxxxxxxxxxxxxxx, Dennis Brown <see3d@> wrote:
>>>>>
>>>>>
>>>>> IQ Feed provides different amounts of history depending on the
>>>>> type of
>>>>> database you select.
>>>>> If you select tick or time database under 1 minute, it only knows
>>>>> about a weeks history of data, as all are based on ticks.
>>>>> If you select a 1 minute or longer database, you get over a years
>>>>> worth of history.
>>>>> EOD data is much longer history.
>>>>>
>>>>> You can find out the details by going to the IQ Feed website.
>>>>>
>>>>> When you choose a database, AB can aggregate any database to a
>>>>> longer
>>>>> timeframe, but it can not make more history than is there.
>>>>> I am finding 1 minute is the best compromise for me for time bars,
>>>>> though I have to go to 5 seconds if I want to have volume bars or
>>>>> range bars.
>>>>>
>>>>> Best regards,
>>>>> Dennis
>>>>>
>>>>> On Mar 22, 2009, at 3:10 PM, louies88 wrote:
>>>>>
>>>>>> Hi there
>>>>>>
>>>>>> I'm trying to maximize the amount of data that IQ Feed can load
>>>>>> in
>>>>>> Amibroker. However, there is a little problem. If I choose the
>>>>>> smallest time frame, which at current time is 5 ticks, and that
>>>>>> if I
>>>>>> max out the number of bar, 500000, then I would get a lot of
>>>>>> bar on
>>>>>> the 5 tick. But when switched over to the hourly, daily chart, I
>>>>>> wouldn't get a lot of bar. My question is this: Why can't I get a
>>>>>> lot of bar on a LARGER time frame?
>>>>>>
>>>>>> On the other hand, if I were to max out the number of bars on the
>>>>>> larger time frame, say hourly or daily, then I wouldn't be able
>>>>>> to
>>>>>> see chart at smaller time frame. Is there a way that I can see
>>>>>> the
>>>>>> maximum number of bars on both LARGE & SMALL time frame in
>>>>>> Amibroker?
>>>>>
>>>>
>>>
>>>
>>>
>>>
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>>
>
>
>
>
> ------------------------------------
>
> **** IMPORTANT PLEASE READ ****
> This group is for the discussion between users only.
> This is *NOT* technical support channel.
>
> TO GET TECHNICAL SUPPORT send an e-mail directly to
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>
> TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> http://www.amibroker.com/feedback/
> (submissions sent via other channels won't be considered)
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> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> Yahoo! Groups Links
>
>
>
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